Metronidazole 200mg Uses

Metronidazole 200mg is prescribed to:

  • Treat bacterial infections of the gastrointestinal tract, skin, and reproductive system.
  • Treat parasitic infections such as trichomoniasis, giardiasis, and amoebiasis.
  • Manage bacterial vaginosis and pelvic inflammatory disease (PID).
  • Prevent infections after surgery, especially in the abdominal area.

How Does Metronidazole 200mg Work

Metronidazole works by entering the bacteria or parasites and disrupting their DNA. It inhibits the ability of the microorganisms to reproduce, leading to their eventual death. By targeting anaerobic bacteria (bacteria that do not require oxygen), Metronidazole is effective in treating infections caused by these bacteria. It also targets protozoa, which are single-celled organisms, and is effective against infections such as trichomoniasis and giardiasis.

How to Use Metronidazole 200mg

  • Dosage: Take one Metronidazole 200mg tablet as prescribed by your healthcare provider. The usual dosage for bacterial infections is 200mg to 400mg taken 2–3 times daily. For parasitic infections, the dosage may vary.
  • Administration: Swallow the tablet whole with a glass of water. It can be taken with or without food, but taking it with food may reduce the likelihood of stomach upset.
  • Frequency: Follow your healthcare provider’s instructions carefully and complete the full course of treatment, even if you start feeling better before finishing the medication.
  • Effect Duration: Metronidazole begins working quickly, and most patients experience improvement within a few days. The full course should be completed to ensure the infection is fully cleared.

Important Notes

  • Do not take more than the prescribed dose. If you miss a dose, take it as soon as you remember unless it’s almost time for your next dose.
  • Alcohol should be avoided during treatment and for at least 48 hours after completing Metronidazole, as it may cause severe reactions, including nausea, vomiting, and flushing.

Side Effects

Common side effects may include:

  • Nausea or vomiting
  • Diarrhea or stomach upset
  • Metallic taste in the mouth
  • Headache or dizziness
  • Dark urine (a harmless side effect)

Rare but serious side effects include:

  • Severe allergic reactions, including rash, itching, or swelling of the face, lips, or throat
  • Seizures or convulsions
  • Signs of liver problems, such as yellowing of the skin or eyes, abdominal pain, or unusual fatigue
  • Numbness or tingling in the hands or feet
  • White patches in the mouth (signs of oral thrush)

If any severe side effects occur, contact your healthcare provider immediately.

Drug Interactions

Metronidazole 200mg may interact with:

  • Alcohol, which can cause a severe reaction, including nausea, vomiting, headaches, and flushing.
  • Warfarin and other blood thinners, which may increase the risk of bleeding.
  • Lithium, a medication for bipolar disorder, as Metronidazole can increase lithium levels in the blood.
  • Certain anticonvulsants (e.g., phenytoin) that may reduce the effectiveness of Metronidazole.
  • Disulfiram, a drug used for alcohol dependence, which may increase the risk of side effects when taken with Metronidazole.

Inform your doctor about all medications, including prescription, over-the-counter drugs, and herbal supplements you are taking to avoid potential interactions.

Food Interactions

  • Avoid alcohol during treatment with Metronidazole and for 48 hours after completing the medication, as it may cause severe side effects such as nausea, vomiting, and abdominal cramps.
  • There are no significant food interactions with Metronidazole, but it is recommended to take the tablet with food to minimize gastrointestinal discomfort.

Metronidazole 200mg Contraindications

This medication is not suitable for:

  • Individuals allergic to Metronidazole or any other components of the formulation.
  • Patients with a history of blood disorders, such as leukopenia or thrombocytopenia.
  • Pregnant women, especially during the first trimester, unless prescribed by a doctor.
  • Patients with liver diseases, as Metronidazole may require dose adjustments in those with impaired liver function.

Precautions and Warnings

  • Inform your doctor if you have a history of liver disease, blood disorders, or neurological conditions.
  • Use with caution in pregnant or breastfeeding women, as it may affect the baby. Always consult your doctor before using this medication during pregnancy or breastfeeding.
  • Metronidazole may cause dizziness or confusion in some individuals, so avoid activities that require full alertness, such as driving, until you know how the medication affects you.
  • Long-term use of Metronidazole may lead to superinfection (secondary infection), so regular monitoring may be needed for prolonged treatments.

Storage

  • Store Metronidazole 200mg tablets at room temperature, away from moisture, heat, and direct sunlight.
  • Keep the medication in its original packaging and out of reach of children and pets.
  • Dispose of unused or expired tablets according to local disposal regulations.

Safety Information

  • Use Metronidazole 200mg only as prescribed by your healthcare provider.
  • Do not exceed the recommended dosage.
  • Seek immediate medical attention if you experience severe side effects such as chest pain, seizures, or signs of liver problems.
Quantity 180, 270, 360, 90
Manufacturer Abbott
Indian Brand Flagyl 200mg
US Brand Name Flagyl, Metrogyl, Metronidazole, Metronide, Norzol, Rozex
Generic Name Metronidazole
Dosage 200mg
Drug Type Tablets
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