instruction: hi doctor I got a fever last week after two days my fever went and I developed flu today I do not have cough no fever no flu but my mouth is sore why
output: hello according to your statement you got a fever that subsided after two days and then developed flu and mouth sore mouth sore is a common complication of flu again mouth sore may developed by a viral infection like herpes simplex virus most commonly fungal infection nutritional deficiency like iron zinc vitamin b12 etc some medications like corticosteroids chemotherapy sulfa drugs phenytoin etc autoimmune disorders like lichen plans also for your flu like running nose and body ache you can take anti histamine acetamenofen or paracetamol topical antiviral cream vitamins containing b12 with zinc and iron if any complications occur or your symptoms do not subside within seven to ten days inform me as soon as possible I will try to help you further