
Acewave P Tab
Cresha Lifesciences - Tablet - 10 S
Prescription required
Rifaximin (200mg) + Metronidazole (400mg)
Rifastop 400 mg Tablet is used for treatment of Infectious diarrhea.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
Rifastop 400 mg Tablet contains Rifaximin (200mg) + Metronidazole (400mg).
Treatment of Infectious diarrhea
Rifastop 400 Tablet is an antibiotic. It works by killing the ammonia-producing bacteria in the digestive tract. This treats your infection and relieves symptoms of hepatic encephalopathy (agitation, confusion, muscle problems). This also helps reduce the recurrence of episodes of hepatic encephalopathy.
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. Rifastop M 200mg/400mg Tablet may be taken with or without food.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
If you miss a dose of Rifastop M 200mg/400mg Tablet, 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.
Taking more Rifastop than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Most side effects of Rifastop are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Rifastop 400 Tablet may be unsafe to use during pregnancy.<br/>Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor. |
|---|---|
| Breastfeeding | Rifastop 400 Tablet is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby. |
| Alcohol | Interaction with alcohol is unknown. Please consult your doctor. |
| Driving | Driving UNSAFE |
| Kidney | Rifastop 400 Tablet is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Rifastop 400 Tablet may not be needed in these patients. Please consult your doctor. |
| Liver | Rifastop 400 Tablet should be used with caution in patients with severe liver disease. Dose adjustment of Rifastop 400 Tablet may be needed. Please consult your doctor. |
| Habit forming | No |
Tell your doctor or pharmacist about every medicine you take, including over-the-counter products, vitamins and herbal or ayurvedic preparations, before starting Rifastop. Some combinations can change how Rifastop works or raise the chance of side effects.
Store Rifastop below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the pack tightly closed and out of the reach of children. Do not use it after the expiry date printed on the pack.
You have been prescribed Rifastop M 200mg/400mg Tablet for the treatment of infectious diarrhea. Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection come back and harder to treat. It is advisable to drink plenty of fluids and a healthy diet while taking the medicine. It may cause dizziness. Do not drive or do anything that requires mental focus until you know how the medicine affects you. Avoid consuming alcohol while taking medication as it may cause increased side effects. Discontinue Rifastop M 200mg/400mg Tablet and inform your doctor immediately if you get a rash, itchy skin, swelling of face and mouth, or have difficulty in breathing.

Cresha Lifesciences - Tablet - 10 S
Prescription required

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The information on Rifastop 400 mg Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.