Zerodol TH OD 8 Capsule (Aceclofenac and Thiocolchicoside) should be taken only as prescribed by your doctor, as the dosage varies depending on your condition. It is usually taken once daily after a meal to reduce the risk of stomach upset. The exact dosage and duration depend on the severity of pain and muscle spasms, as well as how you respond to treatment. Do not change the dose or take more than the recommended amount without consulting your doctor.