Coldose drop is effective for acute fever with pain in the limbs, prostration, restlessness, dull headache, dry skin and burning, influenza is a viral infection, commonly people call it as flu. The flu causes a fever, body aches, a headache, a dry cough, and a sore or dry throat. It includes malaise, body ache and muscular soreness as well., coldose drop relieves tightening of chest and helps open airways for ease of breathing