Hi and welcome, Your are suffering from acute pharyngitis which is inflammation of the mucous membrane lining the throat. Swelling of glands show you may have tonsillitis or lymph node enlargement . It is usually bacterial infection or sometimes viral related to flu or cold. Pharyngitis shows symptoms of swelling and pain in throat, difficulty in swallowing, fever , weakness in legs . As you said you did not respond to medicines , i suggest you to start with antibiotic Augmentin 625 mg along with aceclofenac serratiopeptidase 2 times daily for 3 to 5 days. it works well against bacterial infection. Mouth gargling with antiseptic mouth wash chlorhexidine gives soothing effect to throat and promotes healing. drink lot of water and keep yourself hydrated . i hope this helps you, take care.