Hello welcome to Ask A Doctor service. I have reviewed your query and here is my advise. Your are having acute pharyngitis infection. I suggest you to investigate with CBC, ASO titre for further work up. You can be prescribed levocetrizine or benadryl like decongestant. You can be prescribed vitamin C 500 mg BD for five days. If no Improvements than cefixime antibiotic can be started or throat swab can be planed. Hope I have answered your question. Let me know if I can assist you further.