It all started with dry cough. After 1week I had wet cough. I am having cough since past three weeks. I had consulted a doctor . She prescribed me grilinctus cough syrup and relent tablets. After taking those medicines i experienced restlessness nausea and my head used to spin. Hence i stopped taking those medicines.Currently since last three days my head is paining constantly and I feel weak. My head pains more every time I cough. Please help me