Your primary care doctor is the right starting point for most sinus problems. They can diagnose and treat the majority of sinus infections without a referral. If your symptoms keep coming back or don’t respond to initial treatment, an ear, nose, and throat specialist (ENT) is the next step, and an allergist may be involved if allergies are driving the problem.
Start With Your Primary Care Doctor
A single sinus infection, even a painful one, rarely needs a specialist. Your primary care doctor can assess your symptoms, determine whether the infection is viral or bacterial, and prescribe treatment. Most acute sinus infections resolve within a few weeks with nasal corticosteroid sprays, saline rinses, and sometimes antibiotics if the infection is bacterial. Over-the-counter nasal sprays like fluticasone and budesonide are often recommended to reduce swelling in the nasal passages.
Your doctor may also suggest an allergy medication if seasonal or environmental allergies seem to be contributing to the congestion. For a straightforward sinus infection, this level of care is usually all you need.
When to See an ENT Specialist
An otolaryngologist, commonly called an ENT (ear, nose, and throat doctor), is the specialist trained specifically in sinus conditions. You should consider seeing one if your sinus problems fall into any of these patterns:
- Chronic sinusitis: symptoms lasting 12 weeks or longer despite treatment
- Recurrent infections: four or more sinus infections in a single year
- Symptoms that worsen or don’t improve: after completing a full course of medication from your primary care doctor
- Nasal polyps or structural issues: suspected blockages that could be keeping your sinuses from draining properly
ENTs have diagnostic tools that go beyond what a primary care office typically offers. Nasal endoscopy involves threading a thin, flexible tube with a light into the nose to get a direct look inside your sinuses. This lets the doctor see polyps, swelling, or structural problems that wouldn’t show up on a standard exam. CT and MRI scans can provide detailed images of the sinus cavities to pinpoint exactly what’s causing chronic or recurring issues.
In some cases, the ENT may take tissue samples from the nose or sinuses to identify the specific cause of inflammation, especially when the condition doesn’t respond to standard treatments.
The Role of an Allergist
If your sinus problems seem tied to allergies, sneezing, itchy eyes, or flare-ups during certain seasons, an allergist can help identify the underlying trigger. Allergy skin testing can reveal whether dust mites, pollen, mold, pet dander, or other allergens are fueling your sinus inflammation. Treating the allergy directly often reduces or eliminates the sinus symptoms that follow.
Some people benefit most from seeing both an ENT and an allergist. This is especially true for chronic sinusitis with nasal polyps, a condition where growths develop inside the nasal passages and keep coming back. Patients who have severe polyps, need repeated surgeries, or rely on frequent courses of oral steroids tend to do better with a team approach. People whose sinus problems overlap with asthma or aspirin sensitivity are also strong candidates for this kind of coordinated care.
What Happens if You Need Surgery
Most sinus problems never reach the point of surgery. But when chronic sinusitis doesn’t respond to medications, nasal sprays, and rinses over several months, an ENT may recommend endoscopic sinus surgery. The procedure opens up blocked sinus passages to restore normal drainage. It’s done through the nostrils with no external incisions.
The results are generally positive. Studies tracking patients with chronic sinusitis found significant improvements in quality-of-life scores at three months after surgery, though some symptom scores crept back up by the two-year mark. This is one reason ongoing management with sprays, rinses, or allergy treatment after surgery matters. Surgery fixes the structural problem, but the underlying inflammation often still needs to be managed long-term.
Symptoms That Need Immediate Attention
Most sinus infections are uncomfortable but not dangerous. However, a small number can spread to nearby structures like the eye socket or the brain. Go to an emergency room right away if you develop any of these symptoms alongside a sinus infection:
- Swelling, redness, or pain around the eyes
- Double vision or other vision changes
- High fever
- Stiff neck
- Confusion
These signs can indicate that the infection has moved beyond the sinuses and requires urgent treatment, not a scheduled office visit.
Choosing the Right Doctor for Your Situation
The simplest way to think about it: your primary care doctor handles the first episode and most repeat infections. If you hit four infections in a year, have symptoms dragging past 12 weeks, or aren’t getting better with standard treatment, an ENT is your next call. If allergies are clearly part of the picture, an allergist can address the root cause. And for complex cases involving polyps, asthma, or repeated surgeries, having both an ENT and an allergist working together gives you the broadest coverage.
You don’t always need a referral to see an ENT or allergist, depending on your insurance plan. If you’re unsure, your primary care doctor can point you in the right direction based on your specific symptoms and history.

