You are suffering from Recurrent Upper Respiratory Tract Infection which could be viral or bacterial which is causing fever, runny nose, sneezing and headache. You should take a course of antibiotics like Amoxycillin, antiallergic like Allegra, a pain killer for bodyache, fever and headache. Pamper yourself with hot soups, ginger tea and drink enough water. Take plenty of rest and adequate sleep. Vigorous physical exercise should be avoided when body is not upto it. However you can go for short walk when not running fever to get some fresh air.