Sinus Infection – When Drainage is Absent

A sinus infection, also known as sinusitis, occurs when the sinuses become inflamed and swollen. This condition can cause a variety of uncomfortable symptoms, such as congestion, facial pressure, fever, and sinus pain. Sinusitis can occur with or without nasal drainage, and it is often accompanied by a persistent headache.

Sinus infections are typically caused by a viral or bacterial infection, allergies, or anatomical abnormalities in the sinuses. The sinuses are small air-filled cavities located in the skull, and they play a crucial role in filtering and moistening the air we breathe. When the sinuses become blocked or infected, mucus can build up and lead to the development of a sinus infection.

Treating a sinus infection involves both addressing the underlying cause and providing relief for the symptoms. In cases where a bacterial infection is present, antibiotics may be prescribed to help clear the infection. Over-the-counter pain relievers and decongestants can help alleviate sinus pain and congestion. Nasal irrigation with saline solution can also be beneficial in flushing out the sinuses and reducing inflammation.

Overview of Sinus Infection

Symptoms of a sinus infection may include:

• Headache: A dull or throbbing pain around the forehead, eyes, and nose.
• Drainage: Thick, discolored mucus draining from the nose or down the back of the throat.
• Fever: A low-grade fever may be present.
• Pain: Facial pain or pressure, especially around the eyes or cheekbones.

Sinus infections can be classified as acute (lasting for a short period of time) or chronic (persisting for more than 12 weeks). Acute sinus infections are often caused by a viral infection, while chronic sinus infections may be caused by allergies, nasal polyps, or a deviated septum.

It is important to note that sinus infections can occur without congestion. Some individuals may experience a sinus infection without the typical nasal stuffiness or blocked nose. In these cases, the symptoms may be more focused on facial pain, headache, and drainage.

Common Symptoms of Sinus Infection

A sinus infection, also known as sinusitis, can cause a variety of uncomfortable symptoms. These symptoms typically occur when the sinuses become infected or inflamed, usually due to a viral or bacterial infection. If you are experiencing any of these common symptoms, it is important to seek treatment to alleviate your discomfort and prevent the infection from worsening.

Congestion

One of the most common symptoms of a sinus infection is congestion. The nasal passages may become blocked or filled with mucus, making it difficult to breathe through the nose. This can lead to a stuffy or “stuffed up” feeling, as well as a decreased sense of smell.

Drainage

In addition to congestion, sinus infections can also cause nasal drainage. This can manifest as a runny nose or postnasal drip, where mucus drips down the back of the throat. The drainage may be clear, yellow, or green in color, depending on the severity of the infection.

Facial Pressure

Many individuals with sinus infections experience facial pressure or pain. This discomfort is often felt around the eyes, cheeks, and forehead. It may worsen when bending over or lying down, and can make everyday activities challenging.

Without Fever

Unlike with a cold or the flu, sinus infections usually do not cause a fever. If you are experiencing congestion, drainage, and facial pressure without an accompanying fever, it may be a sign of a sinus infection.

Pain

In addition to facial pressure, sinus infections can cause pain in the sinus areas. This pain may be sharp or dull and can worsen when touching the affected areas. It may also cause toothache-like pain in the upper teeth.

Headache

Headaches are another common symptom of sinus infections. These headaches can be mild to severe and are often described as a constant, dull ache. They may worsen when leaning forward or lying down.

If you are experiencing any of these symptoms, it is important to consult with a healthcare professional. They can assess your condition and recommend appropriate treatment options to alleviate your symptoms and promote healing.

Causes of Sinus Infection

Common causes of sinus infections include:

• Viral Infection: The majority of sinus infections are caused by viral infections, such as the common cold or influenza. These viruses can invade the sinuses, causing inflammation and congestion.
• Bacterial Infection: In some cases, a sinus infection may be caused by a bacterial infection. Bacteria can enter the sinuses and multiply, leading to a more severe and prolonged infection.
• Allergies: Allergic reactions to environmental triggers, such as pollen, dust mites, or pet dander, can cause inflammation of the nasal passages and sinuses. This inflammation can hinder proper drainage and increase the risk of a sinus infection.
• Nasal Polyps: Nasal polyps are growths that can form in the nasal passages or sinuses. These polyps can block the sinuses, preventing proper drainage and causing an increased risk of infection.
• Immune System Disorders: Individuals with weakened immune systems, such as those with HIV/AIDS or undergoing chemotherapy, may be more susceptible to sinus infections. A compromised immune system can make it harder for the body to fight off infections.

Symptoms of a sinus infection can vary, but often include facial pressure, pain, fever, and headache. It’s important to seek medical treatment if symptoms persist or worsen. Treatment options may include antibiotics (for bacterial infections), decongestants, pain relievers, nasal sprays, or in severe cases, surgery to clear blocked sinuses.

Prevention of sinus infections can be achieved by practicing good hygiene, such as washing hands regularly and avoiding close contact with individuals who have cold or flu symptoms. Additionally, managing allergies or underlying conditions that can increase the risk of sinus infections can help reduce the likelihood of developing one.

Methods for Diagnosing Sinus Infection

Sinus infections, also known as sinusitis, can cause a variety of uncomfortable symptoms. These symptoms can include a headache, facial pressure, nasal congestion, sinus drainage, and fever. If you are experiencing these symptoms, it’s important to seek a proper diagnosis to determine whether you have a sinus infection.

There are several methods that healthcare professionals use to diagnose a sinus infection. One common method is a physical examination. During this examination, your doctor will look for signs of inflammation or infection in your nasal passages and sinuses. They may also press on different areas of your face to see if it causes any pain or discomfort.

In addition to a physical examination, your doctor may also order imaging tests to get a better look at your sinuses. An X-ray or CT scan can provide detailed images of the sinuses, allowing your doctor to see any abnormalities or signs of infection.

Another method for diagnosing a sinus infection is a nasal endoscopy. During this procedure, your doctor uses a thin, flexible tube with a camera on the end to look inside your nasal passages and sinuses. This allows them to see any signs of inflammation or infection up close.

If needed, your doctor may also collect a sample of your nasal discharge or mucus for testing. This can help determine the cause of your symptoms and guide your treatment plan.

It’s important to remember that a proper diagnosis is crucial in order to receive the appropriate treatment for a sinus infection. If you are experiencing symptoms such as headache, facial pressure, nasal congestion, sinus drainage, and fever, be sure to consult with a healthcare professional to determine the best course of action.

Traditional Treatments for Sinus Infection

Sinus infections can be painful and uncomfortable, causing symptoms such as facial pressure, pain, congestion, headache, and fever. If you are experiencing these symptoms, it is important to seek treatment to alleviate your discomfort and promote healing.

There are several traditional treatments that can help relieve the symptoms of a sinus infection:

1. Over-the-counter pain relievers: Non-prescription pain relievers such as acetaminophen or ibuprofen can help reduce facial pressure and relieve pain caused by sinus congestion.

2. Nasal decongestants: Over-the-counter nasal decongestant sprays or drops can help reduce nasal congestion and promote drainage. It is important to follow the instructions for proper use and avoid using them for more than three days to prevent rebound congestion.

3. Steam inhalation: Inhaling steam can help loosen mucus and relieve nasal congestion. You can do this by leaning over a bowl of hot water with a towel over your head, or by using a steam inhaler.

4. Saline nasal irrigation: Using a saline solution to rinse your nasal passages can help flush out mucus and relieve congestion. This can be done with a neti pot or a squeeze bottle.

5. Warm compresses: Applying warm compresses to your face can help relieve facial pressure and pain caused by sinus infection.

6. Rest and hydration: Getting plenty of rest and staying hydrated can help your body fight off the infection and promote healing.

While these traditional treatments can provide relief for sinus infection symptoms, it is important to consult with a healthcare professional if your symptoms worsen or do not improve after a few days. They can provide a proper diagnosis and recommend additional treatments if needed.

Please note that this article should not be taken as medical advice. It is always best to consult with a healthcare professional for proper diagnosis and treatment of sinus infections.

Antibiotics and Sinus Infection

Antibiotics are commonly prescribed for the treatment of sinus infections, especially when they are caused by bacterial rather than viral infections. Sinus infections can be characterized by symptoms such as facial pressure, headache, congestion, and drainage.

Antibiotics work by killing or inhibiting the growth of bacteria that cause the infection. They can effectively reduce inflammation and alleviate symptoms. However, it is important to note that antibiotics are only effective against bacterial infections and not viral ones. Sinus infections caused by viruses cannot be treated with antibiotics.

It is vital to take antibiotics exactly as prescribed by a healthcare professional and to complete the entire course, even if symptoms improve. Failing to complete the course may result in bacteria becoming resistant to the antibiotic and future infections being more difficult to treat.

It is also worth noting that not all sinus infections require antibiotics. In some cases, symptoms may be mild and resolve without the need for medication. Additionally, if a sinus infection is caused by a viral infection, antibiotics will not be effective in treating it. A healthcare professional can determine if antibiotics are necessary based on an evaluation of symptoms and medical history.

In conclusion, antibiotics can be an effective treatment for sinus infections caused by bacteria. However, it is important to use them appropriately and only when necessary. Consulting with a healthcare professional is always recommended in order to determine the best course of treatment for sinus infections.

Home Remedies for Sinus Infection

Natural Remedies

If you’re looking for relief from sinus infection symptoms such as facial pressure, congestion, and pain, there are several home remedies you can try. These remedies can help to both alleviate symptoms and promote healing without the need for medication.

One natural remedy for sinus infection is nasal irrigation. This involves using a saline solution to rinse out the nasal passages, helping to clear out any mucus or bacteria causing the infection. Nasal irrigation can be done using a neti pot or a nasal spray.

Another effective home remedy is steam inhalation. Breathing in warm, moist air can help to open up the sinuses, relieve congestion, and promote drainage. You can try inhaling steam from a bowl of hot water or standing in a steamy shower for relief.

Herbal Remedies

There are also several herbal remedies that can provide relief from sinus infection symptoms. One popular herb is eucalyptus, which has natural antibacterial and anti-inflammatory properties. You can find eucalyptus oil or dried eucalyptus leaves to use in a steam inhalation or as an ingredient in a homemade herbal tea.

Another herbal remedy to consider is ginger. Ginger has been used for centuries for its medicinal properties, including its ability to reduce inflammation and relieve pain. You can add fresh ginger to hot water to make a soothing ginger tea.

Table of Home Remedies for Sinus Infection

Remedy	Benefits
Nasal irrigation	Clears out mucus and bacteria from the nasal passages
Steam inhalation	Opens up sinuses, relieves congestion, and promotes drainage
Eucalyptus	Has antibacterial and anti-inflammatory properties
Ginger	Reduces inflammation and relieves pain

It’s important to note that while these home remedies can provide temporary relief, they may not fully treat a sinus infection. If your symptoms persist or worsen, it’s best to consult a healthcare professional for further evaluation and treatment options.

Natural Supplements for Sinus Infection Relief

When experiencing symptoms such as fever, pain, and headache without any signs of improvement, natural supplements can provide relief from sinus infections. These supplements can help alleviate symptoms like drainage, congestion, and pressure in the sinuses.

Here are some natural supplements that have been found to be effective in treating sinus infections:

• Echinacea: This herb is known for its immune-boosting properties and may help reduce the severity and duration of a sinus infection.
• Garlic: Garlic contains compounds that have antimicrobial properties, which can help combat the underlying bacterial or fungal infection causing sinusitis.
• Nettle: Nettle is a natural antihistamine that can help reduce nasal inflammation and congestion associated with sinus infections.
• Vitamin C: Vitamin C is an antioxidant that can help support the immune system and reduce inflammation in the sinuses.
• Probiotics: Probiotics can help restore the balance of good bacteria in the body, which can strengthen the immune system and combat sinus infections.

It’s important to note that while natural supplements can provide relief from sinus infections, they should not replace medical treatment. If symptoms worsen or persist, it’s essential to consult a healthcare professional for proper diagnosis and treatment.

In addition to taking natural supplements, other self-care practices such as staying hydrated, using saline nasal sprays, and practicing good hygiene can help manage and prevent sinus infections.

Remember, natural supplements should be used in conjunction with medical advice and treatment to ensure the best outcomes for sinus infection relief.

Lifestyle Changes to Prevent Sinus Infection

Sinus infections can be painful and uncomfortable, but there are some lifestyle changes you can make to help prevent them. By taking a few precautions, you can reduce your risk of developing a sinus infection and experience relief from symptoms such as facial pressure, pain, headache, and congestion.

1. Maintain good hygiene

Practicing good hygiene is essential in preventing sinus infections. Make sure to wash your hands frequently, especially before touching your face or any objects that come in contact with your nose or mouth. Avoid close contact with individuals who have a cold or other respiratory infections, as these can increase your chances of contracting a sinus infection.

2. Stay hydrated

Drinking plenty of fluids, such as water and warm liquids, can help keep your sinuses moist and promote proper drainage. This can prevent mucus from becoming thick and congested, reducing the risk of an infection. Avoid dehydrating beverages like alcohol and caffeine, as they can dry out your sinuses.

Additionally, maintaining a humid environment can help keep your sinuses moist. Use a humidifier or take hot showers to add moisture to the air. This can aid in sinus drainage and prevent congestion, reducing the likelihood of a sinus infection.

3. Avoid irritants

Exposure to certain irritants can trigger inflammation in the sinuses, leading to an increased risk of infection. Avoid exposure to cigarette smoke, pollutants, and other strong odors. If you are sensitive to particular allergens, take steps to minimize your exposure to them.

Moreover, if you have underlying medical conditions such as allergies or asthma, it is crucial to manage these conditions effectively. Proper management can help prevent sinus infections by reducing inflammation and improving sinus drainage.

By implementing these lifestyle changes, you can minimize your risk of developing a sinus infection and enjoy improved sinus health overall.

Steam Inhalation for Sinus Infection Relief

Steam inhalation is a natural remedy that can provide relief for sinus infection symptoms. When you have a sinus infection, you may experience fever, facial pressure, congestion, and drainage. Inhaling steam can help to open up your sinus passages and promote drainage, providing temporary relief from these uncomfortable symptoms.

Inhaling steam can help to loosen mucus and reduce inflammation in the sinuses. This can make it easier for your body to clear out the infection and promote healing. Steam inhalation can also help to soothe any irritation or dryness in the nasal passages, providing additional comfort.

To perform steam inhalation for sinus infection relief, you will need a large bowl of hot water and a towel. Begin by heating water until it is steaming, but not boiling. Place the bowl on a table and sit down, leaning over the bowl. Drape the towel over your head, creating a tent-like structure to trap the steam. Close your eyes and breathe in the steam deeply through your nose for about 10 minutes.

Be careful not to get too close to the hot water to avoid burns. If the steam feels too hot, allow it to cool slightly before starting inhalation. You can also add essential oils, such as eucalyptus or peppermint, to the water for added relief.

Steam inhalation is a simple and effective way to alleviate sinus infection symptoms. It can be done as often as needed to provide relief. However, if your symptoms persist or worsen, it is important to seek medical attention, as you may require additional treatment for the infection. With steam inhalation and proper medical care, you can find relief from your sinus infection and get back to feeling better without the headache.

Nasal Irrigation and Sinus Infection Relief

If you are experiencing symptoms of a sinus infection such as fever, congestion, facial pressure, and headache, nasal irrigation can provide you with relief. Nasal irrigation, also known as nasal wash or sinus flush, is a technique that involves flushing out the sinuses with a saline solution.

Nasal irrigation can help relieve the symptoms of a sinus infection by clearing out excess mucus and reducing inflammation in the nasal passages. It can also help to remove irritants, bacteria, and viruses that may be causing the infection.

How to Perform Nasal Irrigation:

1. Purchase a nasal irrigation kit or make your own saline solution by dissolving one teaspoon of salt in a cup of warm distilled water.
2. Stand over a sink and tilt your head to one side.
3. Place the spout of the nasal irrigation device or a neti pot into one nostril.
4. Slowly pour the saline solution into the nostril, allowing it to flow through your nasal passages and out the other nostril.
5. Repeat the process on the other side.

It is important to use distilled or sterile water when performing nasal irrigation to avoid introducing potentially harmful bacteria into your sinuses.

Benefits of Nasal Irrigation for Sinus Infection Relief:

• Clears out excess mucus
• Reduces inflammation
• Removes irritants, bacteria, and viruses
• Provides relief from facial pain and pressure
• Helps to improve sinus drainage

Nasal irrigation can be done several times a day to provide ongoing relief from sinus infection symptoms. However, if your symptoms worsen or persist without improvement, it is important to consult a healthcare professional for further evaluation and treatment.

Over-the-Counter Medications for Sinus Infection

If you are experiencing symptoms such as congestion, drainage, facial pressure, and a headache without a fever, you may have a sinus infection. In many cases, sinus infections can be treated at home with over-the-counter medications.

Decongestants are a common medication used to help relieve sinus congestion. They work by shrinking the blood vessels in the nasal passages, which can help reduce swelling and congestion. Decongestants are available in both pill and nasal spray forms.

Pain relievers such as acetaminophen or ibuprofen can help alleviate the facial pressure and headache associated with sinus infections. These medications can also help reduce any fever you may have.

If you are experiencing sinus pain due to inflammation, nasal sprays containing corticosteroids can help reduce swelling. These sprays work by decreasing inflammation in the nasal passages, which can help relieve facial pressure and congestion.

It’s important to note that while over-the-counter medications can provide temporary relief, they are not a cure for sinus infections. If your symptoms persist or worsen, it’s recommended to see a healthcare professional for further evaluation and treatment.

Alternative Therapies for Sinus Infection Relief

If you’re experiencing the unpleasant symptoms of sinus infection, such as drainage, pain, facial pressure, and headache, you may be looking for relief. While medications are often prescribed to treat sinus infections, there are also alternative therapies that can provide relief without the need for antibiotics.

1. Nasal Irrigation

Nasal irrigation involves flushing out the sinuses with a saline solution. This can help to thin mucus and clear out any trapped bacteria or allergens that may be causing the infection. Neti pots, squeeze bottles, or bulb syringes can be used for nasal irrigation. It’s important to use sterile saline solution or distilled water to avoid introducing any more bacteria into the sinuses.

2. Steam Inhalation

Inhaling steam can help to relieve sinus congestion and reduce facial pressure. You can do this by leaning over a bowl of hot water and covering your head with a towel to trap the steam. Adding essential oils such as eucalyptus or peppermint can provide additional benefits. The steam helps to moisturize the nasal passages and loosen mucus, allowing for easier drainage and relief.

It’s important to note that while these alternative therapies can provide relief from symptoms, they may not cure the underlying sinus infection. If you’re experiencing severe symptoms such as high fever or worsening pain, it’s important to consult a healthcare professional for proper diagnosis and treatment.

By trying these alternative therapies, you may find relief from the discomfort of a sinus infection without relying solely on medication. Always consult with your healthcare provider before trying any alternative therapies to ensure they are safe and suitable for your individual condition.

Surgical Options for Chronic Sinus Infection

For individuals suffering from chronic sinus infections, particularly those that do not respond to other forms of treatment, surgical options may provide relief. Surgical procedures aim to eliminate the underlying causes of the infection, such as blockages or structural abnormalities, and restore proper sinus drainage.

Surgery for chronic sinus infection is usually considered when symptoms persist for an extended period of time despite medical treatments. Some common symptoms of chronic sinus infection include pain, persistent congestion, facial pressure, headache, fever, and nasal drainage.

There are several different surgical approaches available to treat chronic sinus infection. The choice of procedure depends on the severity and location of the infection, as well as the individual’s overall health and preferences.

One common surgical option is endoscopic sinus surgery, which involves using a thin, flexible tube with a light and camera to visualize and treat the sinus cavities. This minimally invasive procedure allows the surgeon to remove blockages, polyps, or other abnormalities and restore proper drainage.

In some cases, more extensive procedures may be necessary. These may include functional endoscopic sinus surgery, which involves removing tissue and bone to improve sinus drainage, or balloon sinuplasty, which uses a balloon catheter to enlarge the sinus openings. These procedures are typically performed under general anesthesia.

Recovery from sinus surgery varies depending on the specific procedure and the individual. It is common to experience some discomfort, swelling, and congestion in the days following surgery. Pain medication and nasal decongestants may be prescribed to manage these symptoms. Most individuals can resume normal activities within a week or two, although complete healing may take longer.

Surgical Options for Chronic Sinus Infection
Endoscopic sinus surgery
Functional endoscopic sinus surgery
Balloon sinuplasty

If you are experiencing chronic sinus infection symptoms despite other treatments, it may be worthwhile to discuss surgical options with your healthcare provider. They can help determine if surgery is appropriate for your specific situation and recommend the most suitable procedure.

Complications of Sinus Infection

A sinus infection, also known as sinusitis, is a condition that causes inflammation and swelling of the sinuses. While most sinus infections resolve on their own with proper treatment, there can be complications that arise if the infection is left untreated or if it becomes chronic.

Chronic Sinusitis

One possible complication of a sinus infection is the development of chronic sinusitis, which occurs when the symptoms persist for more than 12 weeks despite treatment. Chronic sinusitis can cause ongoing congestion, facial pain, and headache. It may also lead to a reduced sense of smell and taste.

Orbital Cellulitis

In some cases, a sinus infection can spread to the tissues surrounding the eye, leading to a condition called orbital cellulitis. This can cause severe eye pain, redness, and swelling. If left untreated, orbital cellulitis can result in vision loss or even blindness.

Meningitis and Brain Abscess: In rare cases, a sinus infection can spread to the membranes surrounding the brain and spinal cord, causing meningitis. Meningitis is a serious and potentially life-threatening condition that requires immediate medical attention. Sinus infection can also lead to the formation of a brain abscess, which is a collection of pus in the brain tissue. Brain abscess can cause neurological symptoms such as seizures, confusion, and weakness.

Osteomyelitis

Sinus infection may also lead to a complication known as osteomyelitis, which is an infection of the bones in the skull. Osteomyelitis can cause severe pain and swelling in the affected area. It often requires long-term antibiotic treatment and may require surgical intervention in some cases.

If you experience symptoms such as persistent congestion, headache, facial pain, or fever, it is important to seek medical attention. Prompt treatment can help prevent the development of complications and promote faster recovery.

Prevention Tips for Sinus Infection

A sinus infection, also known as sinusitis, is a condition characterized by inflammation and swelling of the sinuses. It can cause symptoms such as headache, sinus congestion, facial pressure, and pain. To prevent sinus infections and reduce the risk of developing one, follow these helpful tips:

1. Maintain good hygiene

Washing your hands frequently with soap and water helps prevent the spread of germs. Avoid touching your face, especially your nose, mouth, and eyes, as this can introduce bacteria or viruses into your sinuses.

2. Avoid exposure to allergens

Allergens, such as pollen, dust mites, and pet dander, can trigger sinus inflammation. Limit your exposure to these allergens by keeping windows closed, using air purifiers, washing bedding regularly, and avoiding areas with high allergen concentrations.

3. Stay hydrated

Drinking plenty of fluids can help thin mucus and promote proper drainage from the sinuses. Aim for at least eight glasses of water a day and avoid excessive consumption of caffeinated or alcoholic beverages, as they can contribute to dehydration.

4. Use a humidifier

Keeping the air in your home or office moist can help prevent dryness in your nasal passages and reduce the risk of sinus infections. Use a humidifier or vaporizer to add humidity to the air, especially during dry seasons or in dry environments.

5. Practice nasal irrigation

Nasal irrigation involves rinsing the nasal passages with a saline solution to flush out mucus, allergens, and irritants. This can help prevent sinus congestion and promote clear nasal passages. Use a neti pot or nasal saline rinse kit to perform nasal irrigation.

6. Avoid smoking and smoke-filled environments

Smoking and exposure to secondhand smoke can irritate the nasal passages, leading to inflammation and an increased risk of sinus infections. Quit smoking and avoid smoke-filled environments to reduce the risk of sinusitis.

By following these prevention tips, you can minimize your chances of developing a sinus infection and enjoy clearer nasal passages without the discomfort of sinus pain, congestion, and facial pressure.

Question and answer:

What are the common symptoms of a sinus infection?

The common symptoms of a sinus infection include sinus pressure, nasal congestion, headache, facial pain or tenderness, cough, sore throat, and thick nasal discharge.

What causes a sinus infection?

A sinus infection is commonly caused by a viral infection, such as the common cold. Other causes can include bacterial infection, allergies, nasal polyps, and a weakened immune system.

How is a sinus infection diagnosed?

A sinus infection is usually diagnosed based on the symptoms and a physical exam. In some cases, a doctor may also order imaging tests, such as a CT scan or an MRI, to get a more detailed view of the sinuses.

What are some home remedies for relieving symptoms of a sinus infection?

Some home remedies for relieving symptoms of a sinus infection include drinking plenty of fluids, using a humidifier, using nasal saline rinses, applying warm compresses to the face, and getting plenty of rest.

When should I see a doctor for a sinus infection?

You should see a doctor for a sinus infection if your symptoms do not improve after a week, if they worsen, if you have severe facial pain, if you develop a high fever, or if you have a weakened immune system.