A stuffy nose usually clears up within a week with the right combination of home remedies and, if needed, over-the-counter treatments. The blockage you feel isn’t just mucus. It’s mostly swollen tissue inside your nasal passages. When something irritates the lining of your nose, whether a cold virus, allergens, or dry air, the tissue becomes inflamed, blood vessels dilate, and your immune system floods the area with mucus to wash out the irritant. Tackling both the swelling and the mucus is the key to breathing freely again.
Try a Saline Rinse First
Flushing your nasal passages with salt water is one of the most effective ways to clear congestion without medication. A saline rinse physically washes out mucus, allergens, and irritants while reducing swelling. You can use a squeeze bottle, neti pot, or bulb syringe, all widely available at pharmacies.
Water safety matters here. The CDC recommends using store-bought water labeled “distilled” or “sterile.” If you use tap water, bring it to a rolling boil for one minute (three minutes at elevations above 6,500 feet), then let it cool before using it. Never rinse your sinuses with untreated tap water, as it can introduce harmful organisms directly into your nasal passages. Mix the water with a pre-measured saline packet or about a quarter teaspoon of non-iodized salt per cup of water.
Use Steam and Humidity
Breathing in warm, moist air helps loosen thick mucus and soothes irritated nasal tissue. A hot shower works well. So does leaning over a bowl of steaming water with a towel draped over your head. The relief is temporary, but it can make a noticeable difference when congestion is at its worst, especially before bed.
If the air in your home is dry, running a humidifier helps prevent your nasal passages from drying out and becoming more irritated. Keep indoor humidity between 30% and 50%. Going above 50% can encourage mold growth, which creates new problems for your sinuses. Clean the humidifier regularly to avoid spreading bacteria or mold into the air.
Positioning and Warm Compresses
Congestion often feels worse when you lie flat because gravity stops helping mucus drain. Propping your head up with an extra pillow at night can reduce that nighttime stuffiness. During the day, a warm, damp washcloth placed over your nose and forehead can ease facial pressure and help open nasal passages. Staying well hydrated also thins mucus, making it easier to drain on its own.
Choosing the Right Decongestant
If home remedies aren’t enough, over-the-counter decongestants can help, but the type you choose matters more than you might think.
Nasal sprays containing oxymetazoline work fast, typically within minutes, by shrinking swollen blood vessels in the nose. The critical rule: do not use them for more than three consecutive days. Beyond that, you risk rebound congestion, where the spray itself starts causing the stuffiness it was meant to treat. This can create a cycle that’s hard to break.
Oral decongestants are a more complicated picture. Many popular cold medications on store shelves contain oral phenylephrine as their active decongestant. The FDA has reviewed the evidence and proposed removing oral phenylephrine from the market because data show it simply does not work at standard doses. The products are still being sold for now, but you’re likely wasting your money.
Pseudoephedrine, sold behind the pharmacy counter (you’ll need to show ID to purchase it), is the oral decongestant that actually works. Adults take 60 mg every four to six hours, with a maximum of 240 mg in 24 hours. It can raise blood pressure and heart rate, so it’s not a good option for everyone, particularly if you have high blood pressure or heart conditions.
What Works for Kids
Children need a different approach. OTC cough and cold products containing decongestants or antihistamines should never be given to children under 2 years old. Serious side effects, including seizures, rapid heart rate, and even death, have been reported. Manufacturers have voluntarily labeled these products for ages 4 and up. For babies and toddlers, saline drops followed by gentle suction with a bulb syringe is the safest and most effective method. A cool-mist humidifier in the room also helps.
For children 4 and older, if you do use an OTC product, use only one product at a time, follow the dosing instructions exactly, and never give a child medicine packaged for adults.
When Congestion Signals Something More
Most stuffy noses are caused by a cold virus and resolve in 7 to 10 days. If you start feeling better and then get worse after 10 to 14 days, that pattern often signals a bacterial sinus infection that may need treatment. Clear nasal discharge is typical of a common cold, while yellow or green discharge that persists is more characteristic of a sinus infection.
See a doctor if your symptoms last beyond 10 days or you develop facial swelling, significant facial pressure, neck stiffness, or discolored drainage that won’t quit. Fever is actually more common with a cold virus than with a sinus infection. A sinus infection has to be quite severe to cause one.