I want to know every single symptoms of sinus infections, how to treat it, and what it's caused by. please and THANK YOU very much, if you give a greatly detailed answer i will mark you as brainliest.
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Symptoms:Pain: In the face, sinuses, back of eyes, ear or forehead.Nasal: Congestion, itching, distorted sense of smell, runny nise or sneezing.Whole body: Fever or fatigue.Facial: Tenderness or swelling.Treatment:Self-care: Nasal washing, Rinse the inside of nose with warm salt water to flush out irritants and extra mucus. Medication: Decongestant, Relives nasal congestion, swelling and runny nose. Penicillin, Stops growth of or kills the bacteria.Causes:It can be caused by cold or allergies and may cure on its own. Chronic sinusitis lasts up to eight weeks and may be caused by an infection or growths.

The answer is either 3 or 4