Doryx MPC (doxycycline hyclate) delayed-release tablets for oral use, contain doxycycline hyclate, a tetracycline class drug synthetically derived from oxytetracycline, in a delayed-release formulation consisting of pellets with a modified polymer enteric coat that has increased acid resistance.
Most cases of sinusitis clear up within 10 days. Antibiotics are not needed for acute viral sinusitis. If a secondary bacterial infection should develop, one treatment of choice is amoxicillin-clavulanate (Augmentin). In patients who have severe allergy to penicillin-type drugs, doxycycline is a reasonable alternative.Mar 31, 2021