DROVET-M is used for Pain In Stomach, Chest Pain, Pain Due To Ulcers Of The Intestine, Gallstones Pain In The Kidneys, Pain Due To Liver And Gallbladder Diseases, Painful Periods and other conditions.Drotaverine / Mefenamic Acid improves the patient\'s condition by performing the following functions:Relaxing the smooth muscles,Stopping the body\'s production of a substance. Drotaverine / Mefenamic Acid is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms:Pain In Stomach,Chest Pain,Pain Due To Ulcers Of The Intestine,Gallstones Pain In The Kidneys,Pain Due To Liver And Gallbladder Diseases,Painful Periods,Analgesic,Pain During Periods,Heavy Bleeding During Periods,Fever,Inflammation,Migraine Headache. The following is a list of possible side-effects that may occur in medicines that contain Drotaverine / Mefenamic Acid. This is not a comprehensive list. These side-effects are possible, but do not always occur. Some of the side-effects may be rare but serious. Consult your doctor if you observe any of the following side-effects, especially if they do not go away.Nausea,Sweating,Sleep Disorders,Constipation,Flushing,Allergic Dermatitis. Before using this drug, inform your doctor about your current list of medications, over the counter products (e.g. vitamins, herbal supplements, etc.), allergies, pre-existing diseases, and current health conditions (e.g. pregnancy, upcoming surgery, etc.). Some health conditions may make you more susceptible to the side-effects of the drug. Take as directed by your doctor or follow the direction printed on the product insert. Dosage is based on your condition. Tell your doctor if your condition persists or worsens. Important counseling points are listed below.Appearance of Blood clots in the body,Avoid direct sunlight or ultraviolet light,Breathlessness,Discoloration of the skin on the face or neck,Have renal and hepatic impairment,Hereditary swelling in lips and face.