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What are the best natural remedies for treating a sinus infection?
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1.  Drinking plenty of fluids, such as water and herbal tea, can help to thin out mucus in the sinuses and reduce swelling.
2.  Taking over-the-counter pain relievers like ibuprofen or acetaminophen can help with headaches caused by sinus infections.
3.  Using saline nasal sprays or rinses can help flush out the sinuses and relieve symptoms.
4.  Applying warm compresses or using steam from a humidifier may also be helpful in reducing sinus congestion.