Most sinus infections are caused by viruses, which means antibiotics won’t help. Between 90% and 98% of cases are viral, and they typically resolve on their own within 10 days. What you take during that time is really about managing symptoms: easing the pressure, thinning the mucus, and keeping yourself comfortable while your body clears the infection.
Pain Relievers for Sinus Pressure
Ibuprofen is generally the better pick for sinus pain because it reduces inflammation, which is the root cause of that heavy, aching pressure behind your cheeks and forehead. Acetaminophen works for pain and fever but won’t do anything about the swelling in your nasal passages. You can take up to 2,400 mg of ibuprofen per day or up to 3,000 mg of acetaminophen per day, but staying at the lowest effective dose is always smarter. If you have stomach issues or kidney problems, acetaminophen may be the safer choice.
Decongestants: Sprays vs. Pills
Nasal decongestant sprays work fast, often within minutes, by shrinking the swollen blood vessels in your nasal passages. The catch is you cannot use them for more than three consecutive days. Beyond that, your congestion can actually rebound and get worse than it was before you started. This isn’t a soft guideline; rebound congestion is common and can drag out your misery significantly.
Oral decongestants (the tablets you buy at the pharmacy counter) don’t carry that same rebound risk, so they’re a better option if you need relief for several days. However, they can raise blood pressure and heart rate, so they’re not ideal if you have high blood pressure, heart conditions, or an enlarged prostate. They can also make it harder to fall asleep, so taking them earlier in the day helps.
Nasal Steroid Sprays
Over-the-counter nasal steroid sprays (the kind with fluticasone or mometasone) are one of the most effective tools for sinus infections, and many people overlook them. A clinical trial of nearly 1,000 patients found that a steroid nasal spray used once daily was more effective at relieving sinus symptoms than either an antibiotic or a placebo. These sprays reduce the inflammation inside your sinuses directly, which helps mucus drain and eases pressure, congestion, and facial pain.
They don’t work instantly like decongestant sprays. You may need a few days of consistent use before you feel the full benefit, but they’re safe to use for the entire course of your infection without rebound effects.
Saline Rinses
Flushing your sinuses with a saltwater solution, whether through a neti pot, squeeze bottle, or bulb syringe, physically washes out mucus, bacteria, and inflammatory debris. It’s one of the few remedies with virtually no downside, and it can noticeably reduce congestion and postnasal drip.
The one safety rule that matters: never use plain tap water. Tap water isn’t adequately filtered to be safe inside your nasal passages and has been linked to rare but serious infections. Use distilled water, sterile water, or water you’ve boiled for 3 to 5 minutes and then cooled to lukewarm. Previously boiled water is fine to store in a clean, sealed container, but use it within 24 hours. Rinsing once or twice a day is typical during an active infection.
Steam and Humidity
Breathing in warm, moist air helps loosen thick mucus so it drains more easily. A hot shower, a bowl of steaming water with a towel draped over your head, or a humidifier in your bedroom can all provide relief. If you use a humidifier, aim to keep indoor humidity between 30% and 50%. Higher than that encourages mold growth, which can irritate your sinuses further. Staying well hydrated serves the same purpose from the inside, keeping mucus thinner and easier to clear.
A Note on Antihistamines
If your sinus infection started with allergies, antihistamines can help by calming the allergic inflammation that led to the blockage. But if allergies aren’t part of the picture, antihistamines may actually work against you. They tend to dry out and thicken mucus, making it harder for your sinuses to drain. For a straightforward viral or bacterial sinus infection without an allergy component, skip them.
When Antibiotics Actually Help
Because nearly all sinus infections are viral, antibiotics are only appropriate in specific situations. The Infectious Diseases Society of America identifies three patterns that suggest a bacterial infection:
- Persistent symptoms lasting 10 days or more with no improvement
- Severe onset with a fever of 102°F or higher, facial pain, and discolored nasal discharge lasting 3 to 4 days
- Double worsening where symptoms start to improve after 4 to 7 days, then suddenly get worse again
If your infection fits one of those patterns, a doctor will typically prescribe amoxicillin or a combination of amoxicillin with clavulanate. Treatment usually lasts 7 to 10 days, and most people notice improvement within the first few days of starting the course. If you don’t fit any of those three categories, an antibiotic won’t speed your recovery and only adds the risk of side effects.
Symptoms That Need Immediate Attention
A sinus infection very rarely becomes dangerous, but certain symptoms signal that the infection may be spreading beyond your sinuses. Seek care right away if you notice swelling or redness around your eyes, double vision or other visual changes, a high fever that won’t break, confusion, or a stiff neck. These can indicate the infection has reached the eye socket or, in rare cases, the membranes surrounding the brain.
What a Typical Recovery Looks Like
Most viral sinus infections peak around days 3 to 5 and then gradually improve, resolving within about 10 days. The first signs you’re getting better are usually less facial pressure, thinner mucus, and mucus that shifts from green or yellow back toward clear. Some mild congestion and fatigue can linger a few days after the worst is over. If you’ve been managing symptoms with the approach above and things are steadily improving, even slowly, you’re likely on a normal recovery track.