haii doctor.. i have severe cold.. it started with cold and now i have left side pain of head, ear and throat.. i have fever, throat pain, difficulty in swallowing and tenderness.. 2 months back i had strep throat, i completed the course but it recurred again.. i took chestoncold for 3 days.. now a pill of paracetamol.. i have tablets like RELENT, IMMUNACE FORTE, ERYTHROMYCIN, which is used earlier.. what should i take or do now??? please help...