


Open Ols Tablet
Lactobacillus (120Million spores)+ Ofloxacin (200mg)+ Ornidazole (500mg)+ Saccharomyces boulardii (2Million spores)
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Open Ols Tablet is a combination medicine used in the treatment of diarrhea and dysentery. It relieves the symptoms of diarrhea such as stomach pain, cramps, and loose stools. It also kills diarrhea-causing microorganisms and promotes the growth of good bacteria.
Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 21 Sep 2025 | 09:43 PM (IST)
Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 21 Sep 2025 | 09:43 PM (IST)
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General Information
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Product introduction
Open Ols Tablet is taken with 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 headache, nausea, vomiting, stomach pain, bloating, loss of appetite, and skin rash. 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. This medicine may also cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your dizziness. 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 liver diseases so that your doctor can prescribe a suitable dose for you.
The most common side effects are headache, nausea, vomiting, stomach pain, bloating, loss of appetite, and skin rash. 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. This medicine may also cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your dizziness. 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 liver diseases so that your doctor can prescribe a suitable dose for you.
Benefits of Open Ols Tablet
Diarrhea
Diarrhea is an increase in the frequency of bowel movements or loose watery bowel movements. It can most commonly occur due to an infection of the digestive tract. Open Ols Tablet helps to treat diarrhea that is caused due to bacteria or parasitic worm infections. Open Ols Tablet also contains beneficial bacteria that protect the inner layers of your stomach and intestines. This medicine can relieve frequent loose motions and also help you to stay well by preventing them from coming back. You need to take this medicine regularly to get the most out of it and you should drink plenty of fluids while taking it to make sure you stay hydrated.
Diarrhea is an increase in the frequency of bowel movements or loose watery bowel movements. It can most commonly occur due to an infection of the digestive tract. Open Ols Tablet helps to treat diarrhea that is caused due to bacteria or parasitic worm infections. Open Ols Tablet also contains beneficial bacteria that protect the inner layers of your stomach and intestines. This medicine can relieve frequent loose motions and also help you to stay well by preventing them from coming back. You need to take this medicine regularly to get the most out of it and you should drink plenty of fluids while taking it to make sure you stay hydrated.
Dysentery
Dysentery or amoebic dysentery is a parasitic infection of the intestines that occurs mostly due to intake of contaminated food or water. The symptoms include loose stools (diarrhea), stomach cramps and stomach pain. Open Ols Tablet helps to treat this infection by killing the infection causing parasites. It relieves these symptoms and also helps you to stay well by preventing them from coming back. You need to take this medicine regularly to get the most out of it and you should drink plenty of fluids while taking it to make sure you stay hydrated.
Dysentery or amoebic dysentery is a parasitic infection of the intestines that occurs mostly due to intake of contaminated food or water. The symptoms include loose stools (diarrhea), stomach cramps and stomach pain. Open Ols Tablet helps to treat this infection by killing the infection causing parasites. It relieves these symptoms and also helps you to stay well by preventing them from coming back. You need to take this medicine regularly to get the most out of it and you should drink plenty of fluids while taking it to make sure you stay hydrated.
Side effects of Open Ols Tablet
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 Open Ols
- Nausea
- Vomiting
- Bloating
- Stomach pain
- Loss of appetite
- Dizziness
- Headache
How to use Open Ols Tablet
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. Open Ols Tablet is to be taken with food.
How Open Ols Tablet works
Open Ols Tablet is a combination of four medicines: Lactobacillus, Ofloxacin, Ornidazole and Saccharomyces boulardii. Ofloxacin is an antibiotic. It kills bacteria by preventing them from reproducing and repairing themselves. Ornidazole is also an antibiotic which kills the bacteria and other microorganisms by damaging the DNA. Together, they treat your infection effectively. Lactobacillus and Saccharomyces boulardii are live microorganisms which restore the balance of good bacteria in the intestine that may get upset with antibiotic use or due to intestinal infections.
All substitutes for Open Ols Tablet
For information purposes only. Consult a doctor before taking any medicine.
Quick tips
- You have been prescribed Open Ols Tablet for the treatment of diarrhea and dysentery.
- Take it at least 2 hours after taking other medicines, as it may interfere with the absorption of other medicines.
- Diarrhea can cause water loss and electrolyte imbalance. Drink plenty of fluids especially ORS (oral rehydration solution) to help keep you hydrated.
- Consult your doctor if your symptoms last for more than 48 hours.
- Do not use Open Ols Tablet if you have blood in your stool or if you are severely constipated.
Safety advice

Alcohol
UNSAFE
It is unsafe to consume alcohol with Open Ols Tablet.

Pregnancy
CONSULT YOUR DOCTOR
Open Ols Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding
CONSULT YOUR DOCTOR
Information regarding the use of Open Ols Tablet during breastfeeding is not available. Please consult your doctor.

Driving
UNSAFE
Open Ols Tablet may cause side effects which could affect your ability to drive.

Kidney
SAFE IF PRESCRIBED
Open Ols Tablet is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Open Ols Tablet may not be needed in these patients. Please consult your doctor.

Liver
CAUTION
Open Ols Tablet should be used with caution in patients with liver disease. Dose adjustment of Open Ols Tablet may be needed. Please consult your doctor.
Frequently asked questions
Take Open Ols Tablet as soon you as remember it. However, do not take it if it's almost time for your next dose. Also, do not take an extra dose to make up for your missed dose.
No, do not stop taking Open Ols Tablet and complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.
Fact Box
Habit Forming
No
Therapeutic Class
GASTRO INTESTINAL
Related lab tests
References
- ScienceDirect. Lactobacillus. [Accessed 15 Apr. 2019] (online) Available from:
- Ofloxacin. Raritan, New Jersey: Ortho-McNeil-Janssen Pharmaceuticals, Inc.; 2008. [Accessed 01 Apr. 2019] (online) Available from:
- ScienceDirect. Ornidazole. [Accessed 15 Apr. 2019] (online) Available from:
- ScienceDirect. Saccharomyces Boulardii. [Accessed 15 Apr. 2019] (online) Available from:
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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: Welgenic Pharma
Address: Welgenic Pharma, No. 42/43, Sahajanand State, Behind Lalji Mulji Transport Sarkhej, Ahmedabad-382210, Gujarat, India
Address: Welgenic Pharma, No. 42/43, Sahajanand State, Behind Lalji Mulji Transport Sarkhej, Ahmedabad-382210, Gujarat, India
Vendor Details
Country of origin: India
Lab tests offered by us
- CBC (Complete Blood Count)
- FBS (Fasting Blood Sugar)
- Thyroid Profile Total (T3, T4 & TSH)
- HbA1c (Glycosylated Hemoglobin)
- PPBS (Postprandial Blood Sugar)
- Lipid Profile
- Vitamin D (25-Hydroxy)
- Urine R/M (Urine Routine & Microscopy)
- Coronavirus Covid -19 test- RT PCR
- LFT (Liver Function Test)
- KFT (Kidney Function Test)
- TSH (Thyroid Stimulating Hormone) Ultrasensitive
- ESR (Erythrocyte Sedimentation Rate)
- Uric Acid, Serum
- Vitamin B12
- CRP (C-Reactive Protein), Quantitative
- Urine C/S (Urine Culture and Sensitivity)
- Serum Electrolytes
- Serum Calcium
- Serum Creatinine
- Diabetes Screening (HbA1C & Fasting Sugar)
- KFT with Electrolytes (Kidney Function Test with Electrolytes)
- Cholesterol - Total
- Hb (Hemoglobin)
- Complete Hemogram (CBC & ESR)
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