Mevin SR - Capsule Mebeverine Hydrochloride - 200mg 10 Capsule(s) / Strip Square Pharmaceuticals PLC. Introduction: Mevin SR is a prescription medicine used to treat and relieve symptoms of irritable bowel syndrome such as stomach pain and spasm, cramps in the abdomen, gas, bloating and changes in bowel habits. This medicine relaxes muscles of the intestine and relieves spasm. Mevin SR should be taken in a dose and duration as advised by your doctor. It is swallowed whole with a drink of water preferably 20 minutes before a meal to relieve or reduce post meal symptoms. Let your doctor know about all other medications you are taking as some may affect, or be affected by this... Uses of Mevin SR: Irritable bowel syndrome Side effects of Mevin SR: Skin rash How to use Mevin SR: Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Mevin SR is to be taken empty stomach. How Mevin SR works: Mevin SR relaxes the muscles of the intestine and relieves spasm. What if you forget to take Mevin SR?: If you miss a dose of Mevin SR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose. Indication: Irritable bowel syndrome (IBS), GI tract spasm Adult Dose: Oral Irritable bowel syndrome; Gastrointestinal tract spasm Adult: Tablet 135 mg tid, may reduce gradually after several wk when the desired effect has been obtained; As modified-release Capsule: 200 mg bid. Contraindication: Paralytic ileus. Mode of Action: Mebeverine is an antispasmodic agent which exerts direct action on the GI smooth muscle. Precaution: Caution should be exercised in porphyria or allergic reaction to this or any other medicine of this group. Side Effect: Dizziness, headache, GI disturbances, insomnia, anorexia, decreased heart rate, hypersensitivity (e.g. urticaria, erythematous rash, angioedema).