​Drotspas contains combination of Drotaverine and Mefenamic acid. Drotaverine which act as selective Phosphodiesterase 4 inhibitor with no Anticholinergic effects and Mefenamic acid is a non-steroidal anti-inflammatory drug. Combination is indicated in Spasmodic Dysmenorrhea, Post-operative pain, Biliary colics, Renal colics, Abdominal Colics.