Why Won’t My Sinus Infection Go Away?

What Is a Sinus Infection?

The sinuses are air-filled spaces located behind the cheeks, forehead and around the eyes. When these spaces become swollen or blocked, mucus can build up and lead to symptoms such as facial pressure, congestion and headaches.

A sinus infection, also known as sinusitis, occurs when the lining of the sinuses becomes inflamed. Sinusitis often develops following a cold or upper respiratory infection, although it can also occur for other reasons. For many people, symptoms improve within a relatively short period of time — however, some individuals find that their symptoms drag on for weeks.

How Long Does Sinusitis Normally Last?

Most cases of sinusitis are caused by viral infections and tend to improve on their own. Acute sinusitis typically lasts between 2 and 3 weeks, although symptoms often begin to improve after around 10 days. It is common for nasal congestion, facial pressure and a reduced sense of smell to persist for several weeks, even after the initial infection has started to settle.

If symptoms continue for more than 12 weeks, this may be classified as chronic sinusitis and should be assessed by a healthcare professional. Some people also experience symptoms that initially improve before worsening again — which can make it difficult to know whether the infection is resolving normally or whether further assessment may be needed.

Why Symptoms Sometimes Linger

One of the most frustrating aspects of sinusitis is that symptoms often improve slowly. Inflammation inside the sinuses can take time to settle, particularly if the sinuses remain blocked. In some cases, symptoms fluctuate — a person may feel better for a few days before symptoms worsen again, creating the impression that the infection is never fully clearing.

Viral and Bacterial Sinus Infections

Many people assume that persistent symptoms automatically mean they need antibiotics. In reality, most sinus infections are caused by viruses rather than bacteria. Viral infections do not respond to antibiotics and generally improve with time and supportive treatment.

A smaller number of cases may involve bacterial infection — particularly when symptoms become more severe, persist for an extended period, or worsen after initially improving. This is one reason why proper assessment is important before treatment decisions are made.

Could It Be Something Other Than Sinusitis?

Not every blocked nose or facial headache is caused by sinusitis. Conditions such as allergies, hay fever and nasal polyps can sometimes produce similar symptoms. Some people may also experience repeated episodes of congestion due to environmental triggers rather than infection.

Because many conditions share similar symptoms, it is not always possible to determine the cause based on symptoms alone. Persistent or recurring symptoms may benefit from professional assessment to establish the most likely cause.

When Should Persistent Symptoms Be Assessed?

While many sinus infections improve naturally, some symptoms warrant further evaluation. Assessment can help determine whether additional treatment may be beneficial and whether another condition could be contributing to symptoms.

• Symptoms are lasting longer than expected
• Symptoms are worsening rather than improving
• Facial pain is becoming more severe
• Symptoms repeatedly return
• Over-the-counter treatments are not providing relief

Signs That May Indicate a More Serious Infection

Serious complications of sinusitis are uncommon, but some symptoms require prompt medical attention. These symptoms may indicate a more significant infection that requires urgent assessment.

What to Do Next

Sinus infections can be uncomfortable and frustrating, particularly when symptoms seem to linger longer than expected. While many cases improve naturally, persistent or worsening symptoms may benefit from professional assessment to determine the most appropriate treatment.

At The Kingston Pharmacy, our Pharmacy First service allows eligible patients with sinusitis symptoms to be assessed by a pharmacist without needing a GP appointment. Complete our online booking form today to arrange a consultation and get the advice and support you need.