The manufacturer recommends an initial adult dosage of 200 milligrams of doxycycline to treat sinus infection, followed by doses of 100 milligrams per day, according to Drugs.com. Antibiotics such as doxycycline and amoxicillin are generally administered for 10 to 14 days to treat sinus infection, states Mayo Clinic.Continue Reading
Doxycycline is a tetracycline antibiotic prescribed to treat bacterial infections. It is a synthetic drug and should not be taken by persons allergic to tetracycline antibiotics. It should not be taken during pregnancy, notes Drugs.com.
It is necessary to take a full course of Doxycycline or other antibiotic prescribed for sinus infection, even if symptoms improve in a shorter amount of time. Doxycycline is not recommended for pediatric use, because it can cause tooth discoloration, states Drugs.com.Learn more about Medications & Vitamins