Most sinus infections clear up on their own within two weeks without antibiotics. Up to 80% of cases resolve with nothing more than home care and patience. What you do during that window, though, can make a real difference in how miserable you feel and how quickly you recover.
Figure Out What You’re Dealing With
Viruses cause most sinus infections. They typically follow a cold and bring facial pressure, congestion, thick nasal discharge, and sometimes a low-grade fever. Bacterial sinus infections are less common but tend to drag on longer and feel worse.
The key distinction is time. If your symptoms persist for 10 days or more without improvement, that points toward a bacterial infection rather than a viral one. Another pattern to watch for is “double worsening,” where you start to feel better after a few days, then suddenly get worse again. Both of these are the criteria doctors use to decide whether antibiotics are actually warranted. For a standard viral sinus infection, antibiotics won’t help and aren’t recommended.
Home Treatments That Actually Help
Nasal saline rinses are one of the most effective things you can do. Flushing your sinuses with salt water thins mucus, washes out irritants, and helps your sinuses drain. You can use a squeeze bottle or neti pot. To make your own solution, mix one to two cups of distilled or boiled water with a quarter to half teaspoon of non-iodized salt. If you’re using tap water, boil it for five minutes first and let it cool. Never use unboiled tap water directly, as it can contain organisms that are dangerous when introduced into your nasal passages.
Over-the-counter decongestants can relieve the stuffed-up feeling by shrinking swollen tissue in your nasal passages. Most contain pseudoephedrine (oral) or oxymetazoline (spray). Follow the label directions carefully, and don’t use decongestant sprays for more than three days in a row, since longer use can cause rebound congestion that makes things worse. Pain relievers like ibuprofen or acetaminophen help with the facial pressure and headache that often come with sinus infections.
Steam can also loosen things up. A hot shower, a bowl of hot water with a towel draped over your head, or simply breathing through a warm, damp washcloth all work. Staying well hydrated helps keep mucus thin enough to drain.
Set Up Your Environment for Recovery
Your indoor air matters more than you might think. Very dry air irritates already-inflamed sinuses, so a humidifier in your bedroom can help, especially in winter. On the other end, excessive humidity encourages mold growth, which can make sinus problems worse. Keeping indoor humidity below 50% is the sweet spot. If you run air conditioning, clean or replace filters regularly, since dirty filters circulate mold, dust, and pollen right back into the air you’re breathing.
Sleeping with your head slightly elevated helps your sinuses drain overnight and can reduce that morning congestion that feels worst right when you wake up.
When Antibiotics Make Sense
Because most sinus infections are viral, doctors generally wait 7 to 14 days before considering antibiotics. You likely need to see a provider if your symptoms last more than 10 days without any improvement, or if they worsen after initially getting better. In those cases, a bacterial infection is the probable cause, and antibiotics can speed recovery.
If antibiotics are prescribed, the first-line choice is typically amoxicillin or amoxicillin combined with a second ingredient to broaden its effectiveness. Finishing the full course matters even if you feel better partway through.
Warning Signs That Need Immediate Attention
Sinus infections rarely become dangerous, but the sinuses sit close to the eyes and brain, so complications can be serious when they occur. Seek care right away if you notice any of the following:
- Pain, swelling, or redness around your eyes
- High fever
- Double vision or other vision changes
- Stiff neck
- Confusion
These can signal that the infection has spread beyond the sinuses, and they require prompt medical evaluation rather than watchful waiting.
When a Sinus Infection Won’t Go Away
Acute sinusitis typically resolves within 10 days to two weeks. If your symptoms persist for 12 weeks or longer, that crosses into chronic sinusitis, which is a different condition with different causes and treatments. Chronic sinusitis often involves ongoing inflammation rather than active infection, and it can be driven by allergies, nasal polyps, or structural issues in the sinuses. It usually requires a more thorough workup, sometimes including imaging or a referral to a specialist, rather than another round of antibiotics.
Recurrent sinus infections, where you recover fully but keep getting new infections several times a year, are also worth discussing with a provider. Underlying allergies or anatomical factors may be setting you up for repeated episodes, and addressing those root causes can break the cycle.