Author Details
Written By
BDS
Reviewed By
MD Pharmacology, MBBS
Last updated
10 Apr 2026 | 12:55 AM (IST)

We provide you with authentic, trustworthy and relevant information

Want to know more

Have issue with the content?

Report Problem

Ovax OZ 200mg/500mg Tablet

rx_imgPrescription Required
Storage
Store below 30°C
genericSubsituteNudge
View available alternative with same salt composition
chevronIcon

Product introduction

Ovax OZ 200mg/500mg Tablet is a combination of two antibiotics. It is used in the treatment of bacterial and parasitic infections. It effectively treats a wide range of bacterial infections that may occur in the teeth, lungs, gastrointestinal tract, urinary tract, and genital tract.

Ovax OZ 200mg/500mg Tablet is best taken with food. Take it at a fixed time to ensure better efficacy. Do not take more than the recommended dose, as it may have harmful effects on your body. If you miss a dose, take it as soon as you remember. The treatment must be completed even if you feel better to ensure a complete recovery.


This medicine may lead to some side effects such as nausea, vomiting, dizziness, and headache. To overcome any such side effects, it is advised to eat a healthy, balanced diet and drink plenty of fluids. If any of the side effects get aggravated, consult your doctor immediately. If you experience any allergic reaction (rashes, itching, swelling, shortness of breath, etc.), you must seek immediate medical help.


Before taking this medicine, tell your doctor if you have any liver or kidney problems. Also, inform your doctor about all other medicines you are taking for any health condition. Pregnant or breastfeeding women should consult their doctor before using this medicine. Avoid drinking alcohol during treatment, as it may increase dizziness. This medicine usually does not affect the ability to drive, but do not drive or operate machinery if it makes you sleepy or dizzy. If you are allergic to this medicine, avoid using it. Adequate rest during the course of treatment may help the medicine work more effectively.


Uses of Ovax OZ Tablet

  • Treatment of Bacterial & parasitic infections

Benefits of Ovax OZ Tablet

In Treatment of Bacterial & parasitic infections

Ovax OZ 200mg/500mg Tablet is a medicine used to treat infections caused by bacteria and parasites. It works by killing harmful microorganisms and stopping their growth, helping the body clear the infection. This helps relieve symptoms such as diarrhea, abdominal pain, cramps, and discomfort. As the infection resolves, it supports recovery and helps restore normal digestive function. Complete the full course as prescribed to help prevent recurrence and to reduce the risk of drug resistance.

Side effects of Ovax OZ 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 Ovax OZ

  • Dizziness
  • Headache
  • Insomnia (difficulty in sleeping)
  • Vomiting
  • Itching
  • Vaginal inflammation
  • Diarrhea
  • Nausea

How to use Ovax OZ 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. Ovax OZ 200mg/500mg Tablet should be taken with or after food.

How Ovax OZ Tablet works

Ovax OZ 200mg/500mg Tablet is a combination of two antibiotics: Ofloxacin and Ornidazole. Ofloxacin works by preventing the bacterial cells from dividing and repairing, thereby killing the bacteria. Ornidazole kills parasites and anaerobic bacteria that cause infections by damaging their DNA. Together, they treat your infection effectively.

Safety advice

Alcohol
UNSAFE
Do not drink alcohol while you are taking this medicine. Ovax OZ 200mg/500mg Tablet may cause excessive drowsiness when taken with alcohol.
Pregnancy
UNSAFE
Ovax OZ 200mg/500mg Tablet 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
UNSAFE
Ovax OZ 200mg/500mg Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.
Driving
UNSAFE
Ovax OZ 200mg/500mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney
CAUTION
Ovax OZ 200mg/500mg Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
Liver
CAUTION
Ovax OZ 200mg/500mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

What if you forget to take Ovax OZ Tablet?

If you miss a dose of Ovax OZ 200mg/500mg 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.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.
Ovax OZ 200mg/500mg Tablet
₹7.05/Tablet
Ofron-OZ Tablet
Leeford Healthcare Ltd
₹5.29/tablet
25% cheaper
Oflotas-OZ Tablet
Intas Pharmaceuticals Ltd
₹9.28/tablet
32% costlier
₹10.3/tablet
46% costlier
O2 Tablet
Medley Pharmaceuticals
₹19.7/tablet
179% costlier
₹18.7/tablet
165% costlier

Quick tips

  • Complete the full course of Ovax OZ 200mg/500mg Tablet exactly as advised, even if you start feeling better.
  • Take Ovax OZ 200mg/500mg Tablet with water and maintain adequate hydration, especially if diarrhea is present.
  • Avoid alcohol while taking Ovax OZ 200mg/500mg Tablet and for some time after completing the course, as it may cause severe reactions and worsen side effects.
  • Avoid taking antacids or mineral supplements close to the dose of Ovax OZ 200mg/500mg Tablet unless advised by your doctor, as they may reduce its absorption.
  • Seek medical advice if you develop severe diarrhea, bloody stools, or high fever.
  • Stop taking Ovax OZ 200mg/500mg Tablet and seek medical help if you develop rash, swelling, breathing difficulty, or signs of allergic reaction.
  • Inform your doctor if you have kidney disease, seizures, or heart rhythm problems before taking Ovax OZ 200mg/500mg Tablet.
  • Report symptoms such as tendon pain, numbness, tingling, palpitations, or severe dizziness promptly.
  • Consult your doctor if symptoms do not improve within 2–3 days of starting Ovax OZ 200mg/500mg Tablet.
  • Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding before taking Ovax OZ 200mg/500mg Tablet.

Fact Box

Habit Forming
No
Therapeutic Class
GASTRO INTESTINAL

FAQs

What is Ovax OZ 200mg/500mg Tablet used for and how does it work?

Ovax OZ 200mg/500mg Tablet is an antibiotic combination containing ofloxacin and ornidazole, used to treat certain bacterial and parasitic infections. It may be prescribed for gastrointestinal infections such as infectious diarrhea or dysentery, and some abdominal or genital infections. It works by killing harmful microorganisms and stopping their growth so the body can clear the infection more effectively.

What are the common side effects of Ovax OZ 200mg/500mg Tablet?

Ovax OZ 200mg/500mg Tablet is generally safe when taken as prescribed, but some people may experience nausea, vomiting, stomach pain, dizziness, headache, heartburn, or dryness of the mouth. These effects are usually mild and improve as the body adjusts to the medicine. Stop using it and contact your doctor if you develop severe rash, breathing difficulty, persistent vomiting, or unusual weakness.

Are there any contraindications for using Ovax OZ 200mg/500mg Tablet?

Ovax OZ 200mg/500mg Tablet should not be used in people who are allergic to ofloxacin, ornidazole, or other medicines from the quinolone or nitroimidazole groups of antibiotics. Always inform your doctor about any past drug allergies before starting treatment.

How many doses of Ovax OZ 200mg/500mg Tablet can be taken in a day?

Ovax OZ 200mg/500mg Tablet should be taken only in the dose prescribed by your doctor. Taking more than recommended may increase the risk of side effects. Always complete the full course even if you feel better earlier.

What should I do if I do not feel better after taking Ovax OZ 200mg/500mg Tablet?

Inform your doctor if you do not feel better after completing the full course of Ovax OZ 200mg/500mg Tablet. You should also seek medical advice if your symptoms worsen during treatment.

Can I stop taking Ovax OZ 200mg/500mg Tablet when I feel better?

No, you should not stop Ovax OZ 200mg/500mg Tablet early even if you feel better. Stopping treatment too soon may allow the infection to return and may contribute to antibiotic resistance.

What should I do if I miss a dose of Ovax OZ 200mg/500mg Tablet?

If you miss a dose of Ovax OZ 200mg/500mg Tablet, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue your regular schedule. Do not take an extra dose to make up for the missed one.

Can I drink alcohol while taking Ovax OZ 200mg/500mg Tablet?

It is best to avoid alcohol while using Ovax OZ 200mg/500mg Tablet because alcohol may increase side effects such as dizziness, sleepiness, or stomach discomfort.

Is Ovax OZ 200mg/500mg Tablet suitable for everyone? Who should avoid it?

Ovax OZ 200mg/500mg Tablet should be used during pregnancy or breastfeeding only if prescribed by a doctor. People with kidney or liver problems should also use it cautiously and under medical supervision.

How long does Ovax OZ 200mg/500mg Tablet take to work?

Ovax OZ 200mg/500mg Tablet usually begins working soon after it is taken, but improvement in symptoms may take a few days depending on the infection and your overall health. Always follow the full course recommended by your doctor.

What food or medicines should I avoid while taking Ovax OZ 200mg/500mg Tablet?

Always inform your doctor about other medicines or supplements you are taking before using Ovax OZ 200mg/500mg Tablet. Some medicines may interact with antibiotics and affect how they work, so medical advice is important before combining treatments.

Want to share the information?

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.

References

  1. Ornidazole & Ofloxacin [EMC SmPC]. Bangalore, India: MICRO LABS LIMITED; 2021. [Accessed 14 Aug. 2024] (online) Available from: External Link
  2. Ornidazole and Ofloxacin [Product Information]. Mumbai, Maharashtra: Ochoa Laboratories; [Accessed 11 Nov. 2025] (online). Available from: External Link

Marketer details

Name: Lanark Laboratories Pvt Ltd
Address: Lanark Laboratories Private Limited, Uchani, G.T. Road, Karnal-132001, Haryana, India
Country of origin: India

70.5
Inclusive of all taxes
MRP78  10% OFF
10.0 tablets in 1 strip
SOLD OUT

INDIA’S LARGEST HEALTHCARE PLATFORM

  • 260m+
    Visitors
  • 31m+
    Orders Delivered
  • 1800+
    Cities
Get the link to download App
  • Reliable

    All products displayed on Tata 1mg are procured from verified and licensed pharmacies. All labs listed on the platform are accredited

  • Secure

    Tata 1mg uses Secure Sockets Layer (SSL) 128-bit encryption and is Payment Card Industry Data Security Standard (PCI DSS) compliant

  • Affordable

    Find affordable medicine substitutes, save up to 50% on health products, up to 80% off on lab tests and free doctor consultations.

LegitScript approved
India's only LegitScript and ISO/ IEC 27001:2022 certified online healthcare platform

Access medical and health information

Tata 1mg provides you with medical information which is curated, written and verified by experts, accurate and trustworthy. Our experts create high-quality content about medicines, diseases, lab investigations, Over-The-Counter (OTC) health products, Ayurvedic herbs/ingredients, and alternative remedies.

Order medicines online

Get free medicine home delivery in over 1800 cities across India. You can also order Ayurvedic, Homeopathic and other Over-The-Counter (OTC) health products. Your safety is our top priority. All products displayed on Tata 1mg are procured from verified and licensed pharmacies.

Book lab tests

Book any lab tests and preventive health packages from certified labs and get tested from the comfort of your home. Enjoy free home sample collection, view reports online and consult a doctor online for free.

Consult a doctor online

Got a health query? Consult doctors online from the comfort of your home for free. Chat privately with our registered medical specialists to connect directly with verified doctors. Your privacy is guaranteed.

visamastercardamerican expressrupaynet bankingcash on delivery