Sinus pain is a pressure or aching sensation in your face caused by inflammation inside the air-filled cavities surrounding your nose. You have four pairs of these cavities, called sinuses, and when their lining swells, trapped air and fluid create the buildup of pressure you feel. Most of the time, a common cold is the trigger, and the pain resolves on its own within a week or two.
Where You Feel It Depends on Which Sinus Is Affected
Your sinuses sit in different parts of your skull, and each one produces pain in a specific spot. Knowing where the pressure is can help you (and your doctor) figure out which sinus is involved.
- Maxillary sinuses sit beneath your eyes on either side of your nose. When inflamed, they cause pain in your cheekbones or upper teeth.
- Frontal sinuses are in your forehead, just above your eyebrows. Inflammation here produces a deep ache across your forehead.
- Ethmoid sinuses are between your eyes, behind the bridge of your nose. Pain here feels like pressure at the top of your nose and between your eyes.
- Sphenoid sinuses are the deepest, sitting behind your eyes inside the skull. They can cause pain behind your eyes or in your ears.
It’s common for more than one pair to be inflamed at the same time, which is why sinus pain can feel like it covers your whole face.
How Swelling Creates Pressure
Each sinus connects to your nasal cavity through a tiny opening. When a cold or allergic reaction swells the lining of your nose, those openings get blocked. Air trapped inside the sealed sinus gets absorbed into your bloodstream, creating a vacuum effect that pulls fluid into the space. That fluid sits there, bacteria start to multiply in it, and your immune system sends white blood cells and even more fluid to fight back. The result is a cycle of increasing pressure and pain.
This is why sinus pain often gets worse when you bend forward or strain. The shift in position increases pressure against already-swollen tissue. It also explains why the pain tends to peak in the morning: mucus pools overnight while you’re lying flat.
Common Causes of Sinus Inflammation
Viruses cause the vast majority of sinus infections. A typical cold inflames the nasal lining, blocks drainage, and sets the whole process in motion. Most of these viral infections clear up without antibiotics within 7 to 10 days. Bacteria cause a smaller share of sinus infections, usually developing as a secondary problem after a cold has lingered and created the right conditions for bacterial growth.
Allergies are another frequent trigger. Seasonal or year-round allergic reactions keep the nasal lining swollen for weeks at a time, which repeatedly blocks sinus drainage. People with allergies are more prone to recurrent sinus pain for exactly this reason.
Structural issues can also play a role. Nasal polyps, which are soft, noncancerous growths on the lining of the nasal passages, can physically obstruct sinus drainage when they grow large enough. Chronic sinusitis from allergies, infection, or asthma is the most common reason polyps develop in the first place, creating a frustrating loop: inflammation causes polyps, and polyps cause more inflammation. A deviated septum, where the wall between your nostrils is significantly off-center, can narrow drainage pathways on one side and make that side more vulnerable to repeated sinus problems.
Sinus Pain vs. Migraine
Here’s something that surprises most people: a large percentage of what feels like sinus pain is actually a migraine. A systematic review of studies looking at patients who believed they had sinus headaches found that roughly 55% of them were clinically diagnosed with migraines instead. When probable migraines and tension headaches were included, that number climbed to 65%.
The confusion happens because migraines can cause pressure around the eyes, forehead, and cheeks, and they’re sometimes accompanied by nasal congestion and a runny nose. The key differences: migraines tend to be one-sided, pulsing, and sensitive to light or sound. They may also come with nausea. True sinus pain typically involves thick, discolored nasal discharge, reduced sense of smell, and pain that worsens when you press on the affected sinus area or bend forward. If your “sinus headaches” keep coming back but never involve obvious cold or allergy symptoms, a migraine is worth considering.
When Antibiotics Matter and When They Don’t
Because most sinus infections are viral, antibiotics won’t help the majority of cases. Current guidelines from the American Academy of Otolaryngology recommend a “watchful waiting” period of three to five days for otherwise healthy adults with suspected bacterial sinusitis before starting antibiotics. The reasoning is straightforward: many bacterial infections also improve on their own, and unnecessary antibiotics carry their own risks.
Signs that point more toward a bacterial infection include symptoms that persist beyond 10 days without improving, symptoms that start to get better and then suddenly worsen again (“double worsening”), or a high fever with thick, discolored nasal discharge lasting three or more consecutive days. Even then, observation may still be appropriate depending on your overall health and ability to follow up with a doctor if things don’t improve.
Managing Sinus Pain at Home
Saline nasal irrigation is one of the most effective things you can do. Flushing each nostril with a saline rinse twice a day (or more) physically washes out mucus, bacteria, and inflammatory debris, helping restore drainage. Stanford Medicine recommends using half a bottle of saline solution per nostril, per session. You can use a squeeze bottle or a neti pot, but always use distilled, sterile, or previously boiled water to avoid introducing new problems.
Warm compresses placed over the painful sinus area can ease discomfort temporarily. Steam from a hot shower or a bowl of hot water may also help loosen thick mucus, though the relief is short-lived. Over-the-counter pain relievers reduce both pain and inflammation. Decongestant nasal sprays can open the blocked sinus openings quickly, but using them for more than three consecutive days can cause rebound congestion that makes the problem worse.
Staying well-hydrated helps keep mucus thinner and easier to drain. Sleeping with your head slightly elevated can reduce the overnight pooling that makes mornings the worst part of the day.
Warning Signs That Need Urgent Attention
Sinus infections can, in rare cases, spread to nearby structures. The sinuses sit close to your eye sockets and brain, so certain symptoms require emergency evaluation. Watch for swelling or redness around your eye, a bulging eye, pain when moving your eye, vision changes like double or blurry vision, or a high fever that accompanies these eye symptoms. This pattern can indicate orbital cellulitis, a serious infection of the tissue around the eye that is most common in children under 7 but can affect adults too. Left untreated, it can threaten vision and, if the infection spreads to the membranes around the brain, become life-threatening.
Other red flags include a severe headache that doesn’t respond to typical pain relief, a stiff neck, confusion, or symptoms that suddenly and dramatically worsen after a period of improvement. These can signal that infection has moved beyond the sinuses, and they warrant a trip to the emergency room rather than a wait-and-see approach.