<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have had symptoms of influenza now for over 4 weeks, it comes and goes I get feeling a bit better and then asw I increase activity...eg shopping swimming shovelling snow, the symptoms come back...a harsh cough, headache, nausea, bloody discharge. I rest and they come under control...I have had a rough week.  <response>: Thanks for posting your query to Chat Doctor. Influenza is a viral infection present with feature of common cold . Upper respiratory tract is involved mainly and patient present with weakness in head, headache, watering from eyesnose, discomfort in throat, mild cough, fever, body ache etc. it will recover spontaneously within a period of 7 days. You should maintain proper HY Chat Doctor. For systemic symptom Paracetamol can be taken for symptomatic remain. Take care. 