O2 Tablet Uses, Side Effects and Price

If you or someone you know has ever suffered from dysentery or diarrhea, you know how uncomfortable and debilitating these conditions can be. Dysentery and diarrhea can be uncomfortable and even debilitating, leaving you drained and dehydrated.  While a variety of treatments are available, one option that is proven effective and safe is the O2 tablet.

In this blog post, we’ll take a closer look at what O2 tablets are and how they work to treat dysentery and diarrhea. We’ll also explore the potential benefits and side effects of using this treatment option and provide tips on how to use them safely and effectively. If you are looking for an alternative treatment option for these conditions. So if you’re struggling with these digestive issues, keep reading to learn more about this potential treatment option.

What is an O2 tablet?

O2 tablet is a prescription medication that is mainly used to cure diarrhea and/or dysentery. It contains antiamoebic and antibacterial medications that combat bacterial and parasitic illnesses. Because of its multifunctional action, it is particularly helpful for managing infectious illnesses.

This medicine blocks the development of particular enzymes in bacterial DNA that are required for the growth and survival of infectious diseases. As a result, this antibiotic medication tackles bacterial infections by inhibiting bacterial growth and blocking bacterial cell multiplication.

What are the uses of O2 tablets?

O2 tablets are mostly used to treat infectious diarrhea and dysentery-like disorders. It can also be used to treat a variety of bacterial illnesses, including:

  • Infections of the lungs, such as bronchitis and pneumonia
  • Infections of the urinary tract
  • Sinus infections 
  • Meningitis
  • Septicemia
  • Endometritis, septic abortion, and puerperal sepsis
  • Peritonitis
  • Infections of the postoperative wound
  • Genital illnesses, such as gonorrhea and others

What are the benefits of an O2 tablet?

The following are the most well-known benefits of O2 tablets:

  • It is an antibacterial medication.
  • Treats diarrhea caused by a combination of infections.
  • Used to cure infections caused by bacteria in several organs.
  • Active components are ornidazole and ofloxacin. They limit protein synthesis and cause cell death, killing the bacteria.

What are the side effects of O2 tablets?

Though not a full list of adverse effects, we have highlighted some of the most prevalent ones. Notify your doctor if you suffer any of the following side effects from the medication:

  • Abdominal Pain
  • Joint Pain
  • Chest tightness
  • Nausea
  • White patches on the tongue or in the mouth
  • Vomiting
  • Black stools
  • Muscle Pain
  • Fever and chills
  • Sleeplessness
  • Running nose
  • Constipation
  • Sneezing
  • Nervousness
  • Upset stomach
  • Memory impairment
  • Agitation
  • Disorientation

How to use an O2 tablet?

It is best to use this medicine only under the supervision of your doctor. Our doctor will determine the appropriate dose, frequency, and duration of O2 TABLET for you, depending on your body weight, age, and medical state. Even if the symptoms disappear, keep taking this medication until the course ends. You must not miss a dosage or take an additional tablet to compensate. Most importantly, when using an O2 tablet, keep yourself hydrated.

How does an O2 tablet work?

O2 tablet functions against infectious bacteria by combining its two main components, Ofloxacin and Ornidazole, which are antiamoebic and antibacterial. As a result, the drug acts through a twofold mechanism.

To begin with, it acts as a bactericide by blocking the DNA gyrase enzyme of bacteria, which is required for DNA transcription, repair, replication, and recombination. This induces the bacterial DNA to expand and collapse, leading to the death of cells. Second, it functions by diffusing into protozoa cells and/or bacteria and destroying DNA and other essential macromolecules by creating harmful nitro radicals.

Consider the Following Safety advice About O2 Tablet

It is important to remain hydrated and restore the fluids and electrolytes that you are losing if you have diarrhea or dysentery. Doctors may prescribe O2 tablets in some circumstances to aid with this procedure. However, it is essential to utilize the O2 tablet as advised and to adhere to particular safety precautions. These are some important safety things to remember:

1. Pregnancy: If you are expecting or planning to get pregnant, you should stop using O2 tablets since they may endanger your baby. If you become pregnant while using this medication, quit it instantly and tell the doctor.

2. Alcohol: It is not suggested to drink alcohol while taking O2 tablets since it may exacerbate adverse effects such as dizziness.

3. Breastfeeding: O2 tablet elements can infiltrate breast milk and damage your infant. As a result, breastfeeding must be avoided while using this medication.

4. Driving: After ingesting this tablet, you may suffer dizziness, tiredness, impaired coordination, and visual impairment. It is thus not suggested to drive if you are experiencing such difficulties.

5. Kidney: If you already have kidney problems, then taking this medicine may have an effect on how your kidneys work. Sharing your medical records with your doctor would assist you in avoiding such scenarios.

6. Liver: This medication can impair liver health, especially if you also take alcohol. The medication may interact with alcohol and harm the liver. Therefore, people having liver issues must consult their medical professional before taking this medication.

Dosage of O2 Tablet

The dosage of the O2 tablet will vary according to the severity of the symptoms and your health demands. You must comply with your doctor’s or chemist’s dose directions. Try not to exceed the recommended dosage, as ingesting too much O2 might induce vomiting, nausea, and stomach cramps. Below is a table describing the proper dosage of this medication:

AGE GroupDosage
Children (2-12 years)1 tablet twice for 5 days
Adolescent (13-18 years)1 tablet twice for 5 days
Adult1 tablet twice for 5 days
Geriatric1 tablet twice for 5 days

Drug Interaction of O2 Tablet

The O2 tablet might interact with certain medications, so inform your doctor about any supplements or medicines you are taking. The following medications should be avoided when taking a tablet:

  • Azithromycin
  • Amiodarone
  • Anti-psychotics
  • Dofetilide
  • Disopyramide
  • Sotalol,
  • Hydro quinidine
  • Ibutilide
  • Theophylline
  • Methotrexate
  • Insulin
  • Cyclosporin
  • Macrolides
  • Corticosteroids
  • NSAIDs
  • Tricyclic antidepressants.

Missed dose

If you forget to take a medication, use it as quickly as you realize. If a subsequent dosage is due, ignore the missing dose and resume your usual dosing plan. Do not consume the same dose of medication to make up for a missing one. It is best not to skip antibiotic doses because this might lead to therapeutic failure.

All substitutes of O2 Tablet

Following are some of the substitutes for o2 tablet:

  • Orni-O Tablet
  • Oflox OZ Tablet
  • Brakke Tablet
  • Zanocin OZ Tablet
  • Ornof Tablet
  • Oflomac OZ Tablet
  • Ordent Tablet
  • Zil-O Tablet
  • Oflotas-OZ Tablet
  • Ornamac 200mg/500mg Tablet
  • Saril Tablet
  • Zorno Tablet
  • Normet 200mg/500mg Tablet
  • O Cebran OZ Tablet
  • Horn O 200mg/500mg Tablet

A Table Briefing All the Necessary Details of O2 Tablet

Generic NameO2
PriceINR 164.50 (MRP)
Drug ClassAntibiotics
ManufacturerMedley Pharmaceuticals Ltd
Ingredients (Salt Composition)Ofloxacin-200MG and Ornidazole-500MG
UsesTreats diarrhea and dysentery
Side EffectsSleeplessness, abdominal and joint pain, nausea, vomiting, muscle pain, fever, and chills
TreatmentTreats infectious diarrhea and dysentery
StorageBelow 30°C


To conclude, the O2 tablet is a medication that has proven effective in treating dysentery and diarrhea. It targets the bacteria that cause these conditions, providing fast relief to those suffering from them. While there are some potential side effects associated with this tablet, they are generally mild and easily managed. Overall, the benefits of using this medication for dysentery and diarrhea far outweigh any risks.

Moreover, it is important to consult with a doctor before taking an O2 tablet or any other medication. If you are experiencing symptoms of dysentery or diarrhea, don’t hesitate to seek medical attention. With the right treatment and care, you can return to feeling healthy and strong in no time.

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Frequently Asked Questions on O2 Tablet

What is the purpose of using an O2 tablet?

O2 tablets are often used to diagnose or treat urinary tract infections, bacterial infections, soft tissue infections, and other illnesses.

Is an O2 tablet used to treat stomach pain?

It is a combination drug that is usually used to treat diarrhea or dysentery. This medicine contains antibacterial and antiamoebic medications that combat bacterial and parasitic illnesses.

Can we use an O2 tablet to treat loose motions?

Definitely, O2 tablets are used to treat individuals with loose motions caused by illnesses.

When should O2 be administered?

O2 tablet is an orally administered drug that must be consumed with meals for optimal absorption.

What is the recommended daily dose of O2 tablets?

The doctor will decide on the regular dose of O2 medication depending on your indications and problems. Use this medication exactly as directed and for the specified amount of time. Do not overdose on the suggested dose.

What to do if I have signs of an overdose?

In such a circumstance, drink plenty of water or other fluid highs in water and contact your local doctor. Overdose symptoms comprise diarrhea, inflammation, trouble breathing, and skin rashes.

Is the O2 a habit-forming drug?

O2 pill is a kind of antibiotic. So far, there is minimal to no risk of habit formation. The patient, though, must not take more than the suggested dosage.

How long does it take for this medicine to work?

The drug begins to function 1 to 2 hours after ingestion. Its effects might last anywhere from 12-18 hours.

Is O2 tablet an antibiotic?

This medicine combines Ornidazole and Ofloxacin, which falls to the nitroimidazole and quinolone groups of antibiotics. So it is, indeed, an antibacterial drug.

Is it possible to use O2 tablets to treat dysentery?

Indeed, O2 tablets are used for the treatment of dysentery. It is an intestinal infection that produces blood or mucus diarrhea.

Can I drink alcoholic beverages while taking an O2 tablet?

Alcohol dissolves the O2 tablet substance. Consuming excessive amounts of alcohol when using this drug may have serious long-term consequences. It causes dizziness.

Can I use an O2 pill to treat a bad cold?

No, this tablet is an ineffective antibiotic against a virus-caused cold.

Is the O2 Tablet good to use?

Most patients will have no problems with this pill.  It may induce frequent side effects such as vomiting, nausea, stomach discomfort, headache, dizziness, dry mouth, and other unusual or rare adverse effects in certain persons. See your doctor if you have any chronic problems while using this medicine.

Is there any particular contraindication to the usage of an O2 tablet?

O2 tablets are not recommended for individuals with a reported allergy to ornidazole, ofloxacin, or any other antimicrobial drug in the nitroimidazole or quinolone class.

Can I use Ornidazole to treat stomach pain?

Ornidazole is a medication that is useful in treating infectious diseases caused due to protozoa and some forms of anaerobic bacteria. It is beneficial in treating stomach, intestinal, and urinary tract infections.

How long should one take O2 Tablet?

It depends on the type of infection and your age: For children aged 6 months to 1 year- Give 1/2 tablet once a day. For children aged 1 to 2 years- Give 1/2 tablet twice a day. For children aged 2 years and above – Give 1 tablet twice a day (up to 3 tablets in 24 hours).

How does O2 Tablet work?

O2 Tablet is a combination of two antibiotics: Amoxicillin and Oxytetracycline. They work by preventing the growth of bacteria in your body and killing it when it’s already present.

What are the pros and cons of using the O2 tablet?Pros

-It treats various types of infections, including tonsillitis and ear infections.
-It’s available in a chewable form, so you don’t have to take it with water or food.
-It can be bought without a prescription from your doctor.
Cons -You should not take O2 Tablet if you are allergic to any of its ingredients. -It can cause side effects such as nausea, vomiting and diarrhoea.

How long does it take for the O2 tablet to work?

The medicine usually works within 24 hours after taking the first dose.

Who should take O2 medicine?

O2 Tablet is not recommended for children under the age of 12.
You should consult your doctor before taking an O2 Tablet if you are pregnant or breastfeeding. -If you have allergies to any ingredients, consult your doctor before using this medicine.

Can I take O2 Tablet while I am Pregnant?

No. You should not take this medicine if you are pregnant or breastfeeding. If you become pregnant while taking an O2 tablet, consult your doctor for advice on alternative treatment options.

How do O2 tablets help in loose motion?

O2 Tablet contains the active ingredient chlorpheniramine maleate. It is used to treat allergies (such as hay fever and allergic reactions to insect bites). The medicine works by blocking the action of histamine, which helps reduce inflammation caused by allergies.

What are the Price of O2 tablet in India?

O2 tablet price in India is Rs. 50 for 10 tablets. The drug is available at all major chemists, medical stores and online pharmacies. You can also get it from your doctor or local pharmacy without a prescription.

What is the Best time to take O2 Tablet?

It is advised to take O2 tablets at least one hour before breakfast and two hours after dinner.