Sinus Headache or Migraine? 90% of People Get This Wrong

If you're reading this, chances are you've lived some version of this story: recurring "sinus headaches" for years, cabinets full of decongestants, maybe even rounds of antibiotics, and still the headaches keep coming. The treatments don't quite work. You've stopped expecting them to.

Here's what's probably happening: your brain has been misdiagnosed for years. What you've been calling "sinus headaches" are almost certainly migraines — and that distinction isn't academic. It's the difference between treatments that work and treatments that don't.

Why Migraines Get Mistaken for Sinus Headaches

The confusion exists because migraines can cause exactly the symptoms everyone associates with sinuses:

• Facial pressure and pain — feels like "sinus pressure"
• Forehead and cheek pain — right where the sinuses live
• Nasal congestion feeling — stuffy nose sensation
• Clear nasal drip or runny nose — looks like allergies or a cold
• Watery eyes — yet another "sinus" giveaway

All of these are caused by activation of the trigeminal nerve — the main pain pathway in migraine. This nerve also supplies sensation to your face and sinuses. When it fires during a migraine, it makes your sinuses feellike they're infected even when they're completely fine.

Take the Quiz: Which One Do You Actually Have?

Answer 7 quick questions based on your typical headache pattern. The quiz checks for the clinical features that actually distinguish sinus infections from migraines. Takes about 2 minutes.

The 5 Real Differences Between Sinus Headache and Migraine

Here's what actually separates them clinically. If your "sinus headache" doesn't match most of the sinus column, you're probably dealing with a migraine.

Why This Matters for Your Treatment

The misdiagnosis isn't harmless. When you treat a migraine like a sinus infection, you get three things:

• Treatments that don't work — decongestants, antihistamines, and saline rinses don't address the neurological driver of migraine pain.
• Unnecessary antibiotics — prescribed for non-existent infections, contributing to antibiotic resistance and side effects.
• Years of unnecessary suffering — you have a highly treatable condition, but you're not getting the right treatment.

Migraine has excellent treatments — triptans can abort an attack in 30 minutes, CGRP inhibitors can prevent them entirely. None of these work on sinusitis, and nothing for sinusitis works on migraine. Getting the diagnosis right opens up the whole toolbox.

When It's Actually a Real Sinus Infection

Real bacterial sinusitis exists, and it does cause headaches. It's just nowhere near as common as people think. You probably have actual sinusitis if you have all three of these:

• Thick, colored (yellow/green) nasal discharge for more than 10 days
• Fever (above 100°F / 38°C)
• Facial pain or pressure that improves with decongestants

Without discolored discharge or fever, you almost certainly don't have a sinus infection — you have a migraine. A quick rule of thumb: if you've ever treated your "sinus headache" as a migraine (with a triptan or NSAID at the first sign) and it worked, that's your answer.

What to Do If You've Been Misdiagnosed

• Stop buying sinus medications. If they've never fully worked, they're probably not the right tool.
• Try a migraine treatment at the next attack. An OTC NSAID (naproxen, ibuprofen) at the first sign, or ask your doctor about a triptan.
• Track every attack. Location, duration, what preceded it, what helped. Data beats assumption.
• See a doctor — and push back if needed. If you get told "it's just your sinuses" again, bring your tracking data and ask about a migraine trial.
• Consider a neurologist. If your general practitioner dismisses the possibility, a headache specialist will take it seriously.

People Also Ask

Is it a sinus headache or a migraine?

Statistically, it's a migraine. Research consistently shows that 88-90% of self-diagnosed sinus headaches meet the criteria for migraine. Unless you have thick yellow/green nasal discharge and a fever, the "sinus" sensation is almost certainly a migraine symptom — not actual sinus inflammation.

Can a migraine cause sinus pressure?

Yes, and this is the core confusion. Migraines activate the trigeminal nerve, which supplies sensation to the face and sinus areas. When it fires during a migraine, you feel pressure, pain, and congestion-like sensations — even though your sinuses are completely normal on imaging. This is called "referred pain" and it's why so many migraines get misdiagnosed.

What percentage of sinus headaches are actually migraines?

The landmark SAMS (Sinus, Allergy and Migraine Study) found that 88% of people who thought they had sinus headaches actually met migraine criteria. Subsequent research has consistently shown similar numbers. Some studies put the figure as high as 90% depending on the population studied.

Why don't sinus medications work on my headaches?

Because they're probably migraines. Decongestants, antihistamines, and saline rinses address inflammation in the sinus cavities — they don't do anything for the neurological pathways that drive migraine pain. If sinus meds haven't worked for years, that's strong evidence your diagnosis was wrong.

Can I have both sinus headaches and migraines?

It's possible but less common than people assume. True bacterial sinusitis can act as a migraine trigger in people who are already migraine-prone. If you have both, they usually look different — the sinusitis drags on for days or weeks with colored discharge, while the migraines come and go in hours with nausea and light sensitivity. Tracking helps tell them apart.

Related Resources

• Migraine vs Headache: How to Tell the Difference (+ Quiz)
• Headache Location Chart: What Your Pain Location Means
• Foods That Cause Migraines: Trigger Food Checker
• Pressure Points for Headaches: 7 Points That Actually Work
• 5 Most Common Early Warning Signs Before a Migraine

Sources: Schreiber CP et al. (2004) "Prevalence of migraine in patients with a history of self-reported or physician-diagnosed sinus headache," Archives of Internal Medicine. Sinus, Allergy and Migraine Study (SAMS). American Migraine Foundation. American Headache Society. International Headache Society (ICHD-3). This content is for educational purposes and does not replace professional medical advice.