Onidaz 500mg Tablet

Ornidazole (500mg)
🏭 Medley Pharmaceuticals 📦 strip of 10 tablets 💊 Allopathy 📅 Updated: May 1, 2026
⚠️ Medical Safety Information
🤰 Pregnancy Category X/C/D

📋 Drug Information

Generic NameOrnidazole (500mg)
ManufacturerMedley Pharmaceuticals
Packagingstrip of 10 tablets
Therapeutic ClassANTI INFECTIVES
Action Class5-Nitroimidazole (Antiprotozoal & Antibacterial)
Habit Forming✓ No
Prescription Required✓ Yes (Schedule H Drug)

💊 What is Onidaz 500mg Tablet used for?

Onidaz 500mg Tablet is an antibiotic medicine that helps your body fight infections caused by bacteria and parasites. It is used to treat infections of the liver, stomach, intestines, vagina, brain, heart, lungs, and skin.Onidaz 500mg Tablet helps prevent an infection after surgery. It is also used in the treatment of dental infections, leg ulcers, and pressure sores. This medicine is best taken after eating some food. It should be taken at the same time each day to get the most benefit. The amount you are advised will depend on what you are being treated for and how bad it is, but you should take this antibiotic exactly as prescribed by your doctor. Your symptoms may get better after a short time but do not stop taking it until you have finished a full course of treatment, even if you feel well. If you stop taking it early, some bacteria may survive, and the infection may come back. Do not drink any alcohol while taking this medicine and for a few days after stopping it. Otherwise, you may get unpleasant side effects like nausea, vomiting, and stomach pain.The most common side effects of this medicine are headache, dryness in the mouth, nausea, and a slight metallic taste in the mouth. These are usually mild but let your doctor know if they bother you or last more than a few days. You can try using sugarless candies or lozenges to overcome any dryness or metallic taste in the mouth.Before using this medicine, inform your doctor if you are allergic to any medicine or have any kidney or liver problems or any disease of the nervous system. Your doctor may change the dose or prescribe a different medicine. This medicine should not be taken if you are pregnant or breastfeeding unless it is absolutely necessary and prescribed by your doctor. It may cause unusual results with certain medical tests. Therefore, tell any doctor who treats you that you are using this medicine.

💡 How to Take Onidaz 500mg Tablet

Take with or without food as directed. Swallow whole, do not crush.

  • ✅ Take exactly as prescribed by your doctor
  • ✅ Do not exceed the recommended dose
  • ✅ Complete the full course of medication
  • ✅ Store at room temperature away from moisture

⚠️ Side Effects

Common and serious side effects may include:

  • Headache
  • Dryness in mouth
  • Nausea
  • Metallic taste

Note: This is not a complete list. Consult your doctor if you experience any unusual symptoms.

🔄 Cheaper Substitutes (Same Salt)

Medicines with the same active ingredient Ornidazole (500mg) that may be more affordable:

📖 Patient Counseling

  • 🔹 Do not stop suddenly without consulting your doctor
  • 🔹 Inform your doctor about all other medications you're taking
  • 🔹 Avoid alcohol while taking this medication
  • 🔹 If you miss a dose, take it as soon as you remember. Skip if it's almost time for next dose.
  • 🔹 Seek immediate medical help if you experience severe allergic reactions