Metronidazole antibiotic family

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Metronidazole antibiotics offer a potent solution for fighting bacterial infections. From skin conditions to gastrointestinal issues, this antibiotic family is highly effective in targeting and eradicating harmful bacteria.

Experience the fast-acting and reliable results of metronidazole antibiotics. Trust in the proven effectiveness of this antibiotic family to restore your health and well-being. Embrace the power of metronidazole for a healthier tomorrow!

Indications and Dosage

Metronidazole is an antibiotic that is commonly used to treat various infections caused by certain types of bacteria and parasites. It is often prescribed to treat infections in the gastrointestinal tract, urinary tract, skin, and other areas of the body.


1. Bacterial infections: Metronidazole is effective against bacteria such as Helicobacter pylori, which can cause stomach ulcers.

2. Protozoal infections: It is also used to treat infections caused by protozoa, such as Giardia lamblia and Entamoeba histolytica.

3. Anaerobic infections: Metronidazole is particularly effective against anaerobic bacteria, which do not require oxygen to survive.



The dosage of metronidazole will vary depending on the specific condition being treated and the patient’s age, weight, and medical history. It is typically taken orally in the form of tablets or capsules, with or without food. The usual adult dose is 500 mg to 750 mg three times a day for 7 to 10 days, although this may vary.

It is important to follow the directions provided by your healthcare provider or pharmacist when taking metronidazole to ensure the medication is effective and to minimize the risk of side effects.

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Side Effects and Precautions

Side Effects:

Common side effects of metronidazole include nausea, vomiting, diarrhea, loss of appetite, and metallic taste in the mouth. Some patients may experience dizziness, headache, or dry mouth. If any of these side effects persist or worsen, it is important to inform your healthcare provider.

Serious side effects that require immediate medical attention include seizures, numbness or tingling in the arms or legs, difficulty urinating, and severe skin rash. If you experience any of these symptoms, seek medical help right away.


Before taking metronidazole, inform your doctor if you have a history of liver or kidney disease, blood disorders, or nerve disorders. It is important to disclose any allergies to medications or other substances.

Avoid consuming alcohol while taking metronidazole, as it can cause a disulfiram-like reaction leading to nausea, vomiting, and headache.

Metronidazole may interact with certain medications, including blood thinners, disulfiram, and lithium. It is essential to inform your healthcare provider about all the medications you are currently taking to avoid potential drug interactions.

Side Effects and Precautions

Side Effects:

Common side effects of metronidazole may include nausea, vomiting, diarrhea, and loss of appetite. Other less common side effects include metallic taste in the mouth, dizziness, and headache. If any of these side effects persist or worsen, it is important to consult a healthcare provider.

Although rare, metronidazole may cause serious side effects such as seizures, numbness or tingling in the hands or feet, and signs of liver problems (e.g., yellowing of the eyes or skin, dark urine). Seek immediate medical attention if you experience any of these severe side effects.

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Before taking metronidazole, inform your doctor about any allergies you may have, especially to antibiotics. It is important to disclose your medical history, especially of liver disease, blood disorders, nervous system disorders, and certain infections. Metronidazole may make you dizzy or drowsy, so it is advised to avoid driving or using machinery until you know how the medication affects you.

It is essential to complete the full course of metronidazole prescribed by your healthcare provider, even if you start to feel better before the treatment is finished.

Drug Interactions and Contraindications

Drug Interactions and Contraindications

When taking Metronidazole, it is important to be aware of potential drug interactions and contraindications. Some medications may interact with Metronidazole, leading to increased or decreased effectiveness, or potentially harmful side effects.

It is important to inform your healthcare provider about all medications you are currently taking, including prescription, over-the-counter, and herbal supplements, to avoid any potential interactions.

  • Anticoagulants: Metronidazole may potentiate the effects of anticoagulants such as warfarin, increasing the risk of bleeding. Close monitoring of clotting times is recommended.
  • Alcohol: Concurrent use of alcohol with Metronidazole may cause a disulfiram-like reaction, characterized by nausea, vomiting, flushing, and headache. It is important to avoid alcohol while taking Metronidazole.
  • Lithium: Metronidazole may increase lithium levels in the blood, leading to lithium toxicity. Close monitoring of lithium levels is advised if these medications are used concomitantly.
  • Phenytoin: Metronidazole may increase the plasma levels of phenytoin, potentially leading to phenytoin toxicity. Monitoring of phenytoin levels and adjustment of the dosage may be necessary.
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There are also certain contraindications to the use of Metronidazole, including a history of hypersensitivity to the drug or other nitroimidazole derivatives. It is important to consult with a healthcare provider before starting Metronidazole to ensure it is safe and appropriate for you.