Most sinus infections are caused by viruses and clear up on their own within 7 to 10 days. What you do during that window, though, makes a real difference in how miserable you feel. The right combination of home care and over-the-counter treatments can significantly reduce congestion, pressure, and pain while your body fights off the infection.
Start With Saline Nasal Irrigation
Rinsing your nasal passages with salt water is one of the most effective things you can do. It physically flushes out mucus, reduces swelling, and helps your sinuses drain. You can use a neti pot, squeeze bottle, or bulb syringe, all widely available at pharmacies.
The water you use matters more than you might think. The CDC recommends using only water labeled “distilled” or “sterile,” or tap water that has been boiled and cooled. To prepare tap water safely, bring it to a rolling boil for one minute (three minutes if you live above 6,500 feet), then let it cool completely. Store any unused boiled water in a clean, tightly sealed container. Never use plain tap water. It can contain organisms that are harmless in your stomach but potentially dangerous when introduced directly into your nasal passages.
Rinsing once or twice a day is a reasonable starting point. Many people notice relief after the very first rinse.
Use a Decongestant Strategically
Decongestants come in two forms, and each has trade-offs worth knowing about. Nasal sprays containing oxymetazoline work faster, opening your nasal passages within minutes. Oral decongestants like pseudoephedrine take longer to kick in but provide longer-lasting relief.
The critical rule with nasal decongestant sprays: do not use them for more than seven days. Beyond that, they can cause rebound congestion, where your nose actually becomes more blocked than it was before you started using the spray. Oral decongestants don’t carry this risk, but they can raise blood pressure and aren’t suitable for people with hypertension, heart disease, or glaucoma.
For many people, the best approach is using a nasal spray for the first few days when congestion is worst, then switching to an oral option if symptoms persist.
Manage Pain and Inflammation
The pressure and facial pain from a sinus infection respond well to standard pain relievers like ibuprofen or acetaminophen. Ibuprofen has the added benefit of reducing inflammation in your sinus tissues, which can help with drainage.
A warm compress across your forehead, nose, and cheeks also provides surprising relief. A damp washcloth heated with warm water and applied for 10 to 15 minutes loosens congestion and eases that heavy, aching pressure behind your face. You can repeat this several times a day.
Keep Your Air Moist
Dry air thickens mucus and makes it harder for your sinuses to drain. Running a humidifier in your bedroom, especially at night, helps keep things moving. The American Academy of Allergy, Asthma & Immunology recommends keeping indoor humidity between 40% and 50%. Going higher than that encourages mold and dust mite growth, which can irritate your sinuses further.
If you don’t have a humidifier, spending a few minutes breathing steam from a hot shower works well as a short-term substitute. Staying well hydrated throughout the day also helps thin your mucus from the inside.
Try a Nasal Steroid Spray
Over-the-counter corticosteroid nasal sprays (like fluticasone, sold as Flonase) reduce inflammation inside your nasal passages and sinuses. They don’t provide instant relief the way decongestant sprays do. Instead, they work gradually over several days, calming the swollen tissue that’s trapping mucus. Research supports them as an effective first-line treatment, particularly when used alongside saline irrigation. They’re safe for longer-term use and don’t cause rebound congestion.
Know When It’s Bacterial
The vast majority of sinus infections start as viral illnesses, which is why antibiotics won’t help most of the time. Your body handles the virus on its own, typically within 7 to 10 days, though some people have symptoms that linger up to four weeks.
Doctors look for three specific patterns that suggest a bacterial infection has developed:
- Severe symptoms lasting more than 3 to 4 days: a fever of 102°F (39°C) or higher, combined with thick discolored nasal discharge or significant facial pain.
- Persistent symptoms beyond 10 days: nasal discharge or a daytime cough that isn’t improving at all.
- A double worsening: you start to feel better after 5 to 6 days, then symptoms come back or get noticeably worse, with new fever, increased cough, or worsening discharge.
If your symptoms match one of these patterns, that’s when antibiotics become appropriate. A course of antibiotics for bacterial sinusitis is typically straightforward, and most people start improving within a few days of starting treatment.
Symptoms That Need Immediate Attention
Sinus infections rarely become dangerous, but because your sinuses sit close to your eyes and brain, a spreading infection can become serious. Get medical attention right away if you develop swelling or redness around your eyes, double vision or other visual changes, a severe headache, swelling of your forehead, a stiff neck, or confusion. These symptoms can signal that the infection has moved beyond your sinuses and needs urgent treatment.