Zandu Balm is No.1 Ayurvedic remedy for headache, body ache and cold. It is 100% safe and no side effects. It has been trusted household solution for pain relief since 100 years. Across India, Zandu Balm is synonymous for headache, body ache and cold remedy.Duration of treatment and onset of action with the medicines depends on various factors like severity & symptoms of disease, age & physical conditions of the patient etc. Please contact your Ayurvedic Physician for more information.