I was given amoxicillin for sinus(headaches & pain under eyes) since taking the medicine i feel worse(nasal drip, sore throat) shld i stop taking it?

Sinus problems: Antibiotics rarely indicated. There is form of migraine- sinus referred headache but there are many methods to controll problem. Most are non- allergic or mixed sinusitis. Problem- blockage of air passages, mucous becomes thick and creates secondary problems. Comsult ENT specialist. Use neil med sinus rinse/ benzedrex inhaler, saline wash, breath right nasal strips-all otc. Meds like flonase- dr.