Hi... Welcome to healthcare magic.. According to your complain you have problem of sore throat and coughing ... Excessive coughing cause headach due to straining muscle.... Amoxicillin with clavulinic acid that one effective drugs... Drink a water more... Do a warm water with salt gargling for sore throat.. Avoid spicy and oily food... In severe headach problem analgesic can use.. After taking complete course of antibiotics resolve a tinnitus problem ... Try to ignore that sounds... Avoid loud music listening... Consult a physician for further treatment.. I hope my guidance helpful to you... Take care. Thank you.