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Avistep 2mg/100mg Capsule is a combination medicine used in the treatment of infectious diarrhea. It manages the symptoms of diarrhea such as stomach pain, cramps, and loose stools. It kills the diarrhea-causing microorganisms.

Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 12 Mar 2026 | 12:45 PM (IST)
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Avistep 2mg/100mg Capsule image
Avistep 2mg/100mg Capsule image

Product introduction

Avistep 2mg/100mg Capsule is taken with or without food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your healthcare team know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are nausea, vomiting, constipation, and urine discoloration. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. To overcome constipation, you should add fibre-rich foods in your diet and stay hydrated. Lifestyle modifications like having fiber-rich diet, increase fluid intake and regular exercise can help you to get better results.

Before taking this medicine, you should tell your doctor if you are pregnant, planning pregnancy or breastfeeding. You should also tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. You should consult your doctor immediately if you experience any allergic reactions symptoms include skin redness or rashes etc.

Uses of Avistep Capsule

  • Infectious diarrhea

Benefits of Avistep Capsule

Infectious diarrhea
Infectious diarrhea is caused by harmful microorganisms in the gut, leading to frequent loose stools, stomach cramps, and dehydration. Avistep 2mg/100mg Capsule helps control diarrhea by slowing bowel movements and eliminating the infection-causing germs. It relieves symptoms, restores normal bowel function, and supports faster recovery.

Side effects of Avistep Capsule

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Avistep
  • Nausea
  • Vomiting
  • Constipation
  • Urine discoloration

How to use Avistep Capsule

Take this medicine in the dose and duration as advised by your doctor. Avistep 2mg/100mg Capsule may be taken with or without food.

How Avistep Capsule works

Avistep 2mg/100mg Capsule is a combination of two medicines: Loperamide and Furazolidone which treat infectious diarrhoea. Loperamide is an opioid agonist which works by decreasing contraction of the intestines making the stools more solid and less frequent. Furazolidone is an antibiotic. It kills bacteria and other diarrhoea-causing microorganisms by damaging their DNA.

Quick tips

  • You have been prescribed Avistep 2mg/100mg Capsule for the treatment of diarrhea caused by bacteria or parasites.
  • Diarrhea can cause water loss and electrolyte imbalance. Drink plenty of fluids especially ORS (oral rehydration solution) to help keep you hydrated.
  • Do not use Avistep 2mg/100mg Capsule if you have blood in your stool or if you are severely constipated.
  • Stick to simple meals and avoid spicy rich food in order to avoid feeling sick (nausea).
  • It is best to avoid drinking alcohol while taking and till 4 days after taking this medication. This is because drinking alcohol with Avistep 2mg/100mg Capsule is likely to make you feel very sick (nauseated) and cause other unpleasant effects, such as hot flushes, headaches.
  • Avoid taking fermented foods like cheese, or fermented meat, fish, etc. in excess while taking Avistep 2mg/100mg Capsule as it may cause some side effects.
  • Consult your doctor if your diarrhea last for more than 48 hours.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Avistep 2mg/100mg Capsule.
Pregnancy

Pregnancy

UNSAFE
Avistep 2mg/100mg Capsule is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Avistep 2mg/100mg Capsule may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Driving

Driving

UNSAFE
Avistep 2mg/100mg Capsule may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Avistep 2mg/100mg Capsule should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Avistep 2mg/100mg Capsule should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Fact Box

Habit Forming

No

Therapeutic Class

GASTRO INTESTINAL
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Bhavishya Pharmaceuticals Pvt Ltd
Address: 8-3-677/52/2,SRIKRISHNA DEVARAYANAGAR, YELLAREDDYGUDA HYDERABAD TG 500073 INDIA

Vendor Details

Country of origin: India
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