yes i will prescribe you a gargle-but u will have to make on ur own----
liq. lignocaine 1 bottle+Tab. betnesol
forte 4 tablets+Clotrin mouth paint
mix all three and shake it and use it for gargle 2 tsf three times a day,,but do spit it ,,,donot swallow it.
As u have written u have antibiotics so continue that .
also take ---
Tab. Voveron D mix in half cup of water gargle it and then swallow it.
gargle 2 tsf in half glass of water for gargle three times a day,,spit it after gargle.
write back after 5 days.