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  3. Flagyl ER Tablet 10's

Flagyl ER Tablet 10's, Pack of 10 TABLETS
Flagyl ER Tablet 10's, Pack of 10 TABLETS
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD

Flagyl ER Tablet is used to treat and prevent bacterial and parasitic infections including blood, brain, bone, lung, stomach lining, pelvic area and genital infections, amoebiasis, gum and teeth infections, infected leg ulcers or pressure sores, stomach ulcers caused by Helicobacter pylori, urinary or genital infections caused by Trichomonas parasite. Furthermore, it can also be used to treat infections following childbirth or in a wound following an operation. It contains Metronidazole, which stops the growth of infection-causing bacteria or parasites. It may cause common side effects such as nausea, vomiting, upset stomach, loss of appetite, dry mouth, and metallic taste. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Composition :

METRONIDAZOLE-600MG

Manufacturer/Marketer :

Abbott India Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About Flagyl ER Tablet

Flagyl ER Tablet belongs to a group of medicines known as anti-microbial agents used to treat bacterial infections of the blood, brain, lung, bone, pelvic area, stomach lining, intestines, gum, teeth, following childbirth or wound infection following an operation. It is also used to treat infected leg ulcers, pressure sores, stomach ulcers caused by Helicobacter pylori, urinary or genital infections caused by Trichomonas parasite, amoebiasis (parasitic infection of the colon), and to prevent infections after surgery.

Flagyl ER Tablet contains metronidazole that works by preventing the production of proteins required by the harmful microorganisms for their survival. Thereby Flagyl ER Tablet treats bacterial and parasitic infections.

Your doctor will decide the duration depending on the type of infection. Some common side effects of Flagyl ER Tablet are nausea, vomiting, upset stomach, loss of appetite, dry mouth, and metallic taste. Most of these side effects do not require medical attention and resolve over time. However, if the side effects persist or worsen, consult a doctor.

Flagyl ER Tablet should not be used during pregnancy, especially during the first trimester and while breastfeeding. Do not drive or operate heavy machinery after taking Flagyl ER Tablet as it may cause dizziness and drowsiness. Avoid consumption of alcohol while on treatment with Flagyl ER Tablet and for 48 hours after completing the course as it may cause unpleasant side effects. Keep your doctor informed about your health condition and medications to rule out any side effects.

Uses of Flagyl ER Tablet

Flagyl ER Tablet is used to treat bacterial and protozoal infections. The detailed uses of Flagyl ER Tablet are as follows:
•Bacterial infections: Flagyl ER Tablet is widely used to treat infections caused by anaerobic bacteria, including conditions like bacterial vaginosis and pelvic inflammatory disease.
•Protozoal infections: Flagyl ER Tablet is effective against protozoa such as Entamoeba histolytica (linked to amoebic dysentery); it inhibits protozoal reproduction.
•Dental infections: Flagyl ER Tablet is often prescribed in dentistry to address gum and oral cavity infections, particularly those caused by anaerobic bacteria. It may be paired with other antibiotics for enhanced results.
•Helicobacter Pylori Eradication: Flagyl ER Tablet helps eradicate helicobacter pylori, the bacterium associated with peptic ulcers, as part of a combination therapy, working alongside antibiotics and proton pump inhibitors.

Directions for Use

Tablet/capsule: Swallow it as a whole with water; do not crush, break or chew it. Syrup/suspension/drops: Shake the pack well before use. Take the prescribed dose by mouth using the measuring cup/dosing syringe/dropper.

Medicinal Benefits

Flagyl ER Tablet contains metronidazole used to treat and prevent bacterial and parasitic infections including blood, brain, bone, lung, stomach lining, pelvic area and genital infections, amoebiasis, gum and teeth infections, infected leg ulcers or pressure sores, stomach ulcers caused by Helicobacter pylori, urinary or genital infections caused by Trichomonas parasite. Furthermore, it can also be used to treat infections following childbirth or in a wound following an operation. It works by preventing the infection-causing bacteria or parasites from growing.

How Flagyl ER Tablet Works

Flagyl ER Tablet contains metronidazole that works by preventing the production of proteins required by the harmful microorganisms for their survival. Thereby Flagyl ER Tablet treats bacterial and parasitic infections.

Storage

Store in a cool and dry place away from sunlight

Side Effects of Flagyl ER Tablet

  • Nausea
  • Vomiting
  • Diarrhoea
  • Metallic taste

What if I have taken an overdose of Flagyl ER Tablet

Do not take more than the prescribed dose of Flagyl ER Tablet as it may cause overdose. The symptoms of overdose include nausea, vomiting, seizures (fits), loss of muscle coordination and numbness, burning, pain, or tingling in hands/feet. If you suspect you have taken overdose or notice signs of overdose, please consult a doctor immediately.

Drug Warnings

Do not take Flagyl ER Tablet if you are allergic to any of its components. Flagyl ER Tablet should not be used during pregnancy, especially during the first trimester. So, let your doctor know if you are pregnant or planning to get pregnant. Avoid breastfeeding while taking Flagyl ER Tablet and for 12-24 hours after completing the course. Do not drive or operate heavy machinery after taking Flagyl ER Tablet as it may cause dizziness and drowsiness. Inform your doctor if you have Clostridium difficile-associated diarrhoea, bone marrow depression/low blood count, CNS disorder, epilepsy, porphyria (blood disorder), peripheral neuropathy, heart, kidney or liver problems.

Drug-Drug Interactions

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MetronidazoleDisulfiram
Critical
MetronidazoleEthanol
Critical

Drug-Drug Interactions

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MetronidazoleDisulfiram
Critical
How does the drug interact with Flagyl ER Tablet:
Coadministration of Disulfiram with Flagyl ER Tablet can increase the risk of side effects.

How to manage the interaction:
Taking Flagyl ER Tablet and Disulfiram together is generally avoided as it can lead to an interaction, it can be taken if advised by your doctor. However, if you experience sudden dizziness, confusion, weakness, shortness of breath, or palpitations, contact your doctor. Do not discontinue any medications without consulting a doctor.
MetronidazoleEthanol
Critical
How does the drug interact with Flagyl ER Tablet:
Drinking alcohol while taking Flagyl ER Tablet can increase the risk or severity of side effects.

How to manage the interaction:
Taking Flagyl ER Tablet with Ethanol is avoided as it can result in an interaction, it can be taken if your doctor has advised it. However, if you experience flushing, throbbing in head and neck, throbbing headache, difficulty breathing, nausea, vomiting, sweating, thirst, chest pain, rapid heartbeat, palpitation, low blood pressure, dizziness, lightheadedness, blurred vision, and confusion, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
MetronidazoleAmprenavir
Critical
How does the drug interact with Flagyl ER Tablet:
Co-administration of Amprenavir with Flagyl ER Tablet can increase the risk or severity of side effects.

How to manage the interaction:
Taking Flagyl ER Tablet with Amprenavir is generally avoided as it can result in an interaction, it can be taken if your doctor has advised it. However, if you experience throbbing in the head and neck, throbbing headache, difficulty breathing, nausea, vomiting, sweating, thirst, chest pain, rapid heartbeat, palpitation, low blood pressure, dizziness, lightheadedness, blurred vision, and confusion, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
MetronidazoleWarfarin
Severe
How does the drug interact with Flagyl ER Tablet:
Coadministration of Flagyl ER Tablet with warfarin can increase the risk of bleeding.

How to manage the interaction:
There is a possible interaction between Flagyl ER Tablet and warfarin, but they can be taken together if a doctor has prescribed them. Consult a doctor if experience unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness. Do not stop using any medications without talking to a doctor.
MetronidazoleBusulfan
Severe
How does the drug interact with Flagyl ER Tablet:
Coadministration of Busulfan and Flagyl ER Tablet may increase the risk of side effects.

How to manage the interaction:
Taking Flagyl ER Tablet and Busulfan together can result in an interaction, it can be taken if your doctor has advised it. However, if you experience unusual bruising or bleeding, fever, diarrhea, sore throat, muscle aches, shortness of breath, or burning during urination, contact a doctor immediately. Do not discontinue the medication without a doctor's advice.
MetronidazoleMebendazole
Severe
How does the drug interact with Flagyl ER Tablet:
Coadministration of Flagyl ER Tablet with mebendazole may increase the risk or severity of side effects.

How to manage the interaction:
Although there is a possible interaction between Flagyl ER Tablet and mebendazole, they can be taken together if your doctor has prescribed them. However, if you experience any unusual symptoms like fever, body ache, painful red rash, cough, peeling of the skin, or Drooling, contact a doctor immediately. Do not stop using any medications without talking to a doctor.
MetronidazoleFluconazole
Moderate
How does the drug interact with Flagyl ER Tablet:
Co-administration of Fluconazole together with Flagyl ER Tablet can increase the risk of an irregular heart rhythm.

How to manage the interaction:
-Taking Flagyl ER Tablet with Fluconazole together can possibly result in an interaction, but it can be taken if a doctor has advised it. However, consult a doctor immediately if you experience any symptoms such as dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations. Do not discontinue any medications without consulting a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • It would be best to take probiotics after taking the full course of Flagyl ER Tablet to restore healthy bacteria in the intestine that may have been killed. Taking probiotics after antibiotic treatment can reduce the risk of antibiotic-associated diarrhoea. Certain fermented foods like yoghurt, cheese, sauerkraut and kimchi can help restore the intestine's good bacteria.

  • Include more fibre-enriched food in your diet, as it can be easily digested by gut bacteria which helps stimulate their growth. Whole grains like whole-grain bread, and brown rice, should be included in the diet.

  • Avoid intake of alcoholic beverages with Flagyl ER Tablet as it can make you dehydrated and affect your sleep. This can make it harder for your body to aid Flagyl ER Tablet in fighting off infections.

  • If you have diarrhoea, drink appropriate amounts of fluids to avoid dehydration. 

Habit Forming

No

Therapeutic Class

ANTIMICROBIALS

Flagyl ER Tablet Substitute

Substitutes safety advice

  • Metrogyl ER Tablet 10's

    by AYUR

    ₹7.43per tablet

  • Meant 600Mg ER Tablet 15's

    by Others

    ₹4.74per tablet

  • Meetgyl ER 600 Tablet

    by Others

    ₹6.30per tablet

Product Substitutes

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Alcohol

Unsafe

You are recommended not to consume alcohol while on treatment with Flagyl ER Tablet and for 48 hours after completing the course to avoid unpleasant side effects such as nausea, vomiting, stomach pain, palpitations, headache, and hot flushes.

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Pregnancy

Unsafe

Flagyl ER Tablet should not be used during pregnancy, especially during the first trimester. Inform your doctor if you are pregnant or planning for pregnancy.

bannner image

Breast Feeding

Unsafe

Avoid breastfeeding while taking Flagyl ER Tablet and for 12-24 hours after completing the course.

bannner image

Driving

Caution

Flagyl ER Tablet may cause dizziness and drowsiness; thus, avoid using machinery or driving unless you are alert.

bannner image

Liver

Caution

Flagyl ER Tablet to be taken with caution, especially if you have a history of liver diseases/conditions. Your doctor may adjust your dose depending upon your liver conditions.

bannner image

Kidney

Caution

Flagyl ER Tablet to be taken with caution, especially if you have a history of kidney diseases/conditions. Your doctor may adjust your dose depending upon your kidney conditions.

bannner image

Children

Safe if prescribed

Flagyl ER Tablet should be given to children only if prescribed by a doctor. Your doctor may adjust the dose as per the age.

FAQs

Flagyl ER Tablet is used to treat bacterial and parasitic infections.

Flagyl ER Tablet works by preventing the production of proteins required by harmful microorganisms for their survival. Thereby Flagyl ER Tablet helps treat and prevent bacterial and parasitic infections.

No. You should complete the full course of Flagyl ER Tablet as prescribed by your doctor. Consult your doctor if you experience any difficulty while taking Flagyl ER Tablet .

No. Flagyl ER Tablet is an antimicrobial medicine that acts only against bacterial infections and not viral infections like common cold and flu.

If you miss a dose of Flagyl ER Tablet , take the missed dose as soon as you remember it. However, if it is almost time for the next dose, do not take a double dose to make up for a missed one.

Flagyl ER Tablet may cause jaundice in a rare case. Please consult your doctor immediately if you notice yellowing of skin and eyes.

No. Do not stop taking Flagyl ER Tablet until course completion, as the doctor prescribes. If you stop taking it, your problem may reoccur. If you face any difficulty or experience any adverse events that persist while taking it, report it to your doctor and seek appropriate treatment.

Flagyl ER Tablet may also be used with other medications to treat certain stomach/intestinal ulcers caused by a bacteria (H. pylori). Even so, it can be used only if advised by the doctor.

Do not give more than the prescribed dose of Flagyl ER Tablet as it may cause overdose. The symptoms of overdose include nausea, vomiting, seizures (fits), loss of muscle coordination and numbness, burning, pain, or tingling in hands/feet. If you suspect you have given overdose or notice signs of overdose, please consult a doctor immediately.

If the symptoms do not improve within a few days after you start this medicine or if they become worse, consult with your doctor. They will reassess the condition and guide appropriate treatment.

Flagyl ER Tablet may interact with certain medications. So, do not use any other medications with Flagyl ER Tablet unless recommended by the doctor. Your doctor will check their potential interactions and prescribe you if necessary.

Antibiotics like Flagyl ER Tablet may reduce the vaccine's activity. To ensure adequate vaccine response, vaccination should be given at least 14 days after you complete your treatment with Flagyl ER Tablet or 10 days before starting therapy with Flagyl ER Tablet . Talk to your doctor if you have any questions or concerns.

Let your doctor know about your child’s medical history and ongoing medications before prescribing Flagyl ER Tablet .

Yes, it is normal. Flagyl ER Tablet can cause urine discolouration. This is harmless and should resolve on its own once your child stops taking the medication.

Flagyl ER Tablet may interfere with some drugs. Always check with a doctor before giving any medication, especially if your child is feverish. The doctor advises the best course of treatment!

To ensure the medication's effectiveness and progress of the medical condition, the doctor may perform certain lab tests, such as a complete blood count (CBC), liver function test (LFC), and kidney function test (KFT) if necessary.

Common side effects of Flagyl ER Tablet may include nausea, vomiting, upset stomach, loss of appetite, dry mouth, and metallic taste. Most of these side effects do not require medical attention and resolve over time. However, if the side effects persist or worsen, consult a doctor.

Country of origin

India

Manufacturer/Marketer address

401, Lsc, C-Block, Mohan Place Saraswati Vihar Delhi Dl 110034 In.
Other Info - FLA0369

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Author Details

Doctor imageDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Doctor imageDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Apr 15, 2025 | 6:31 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

Reference

  1. https://www.medicines.org.uk/emc/files/pil.5882.pdf
  2. https://webmedpharmacy.co.uk/media/pil/sti/PIL_metronidazole_400mg_tabs.pdf
  3. https://www.nhs.uk/medicines/metronidazole/
  4. https://www.drugs.com/drug-interactions/metronidazole-index.html?filter=3
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