Zagole (Metronidazole 200mg/5ml) 100ml syrup in Kenya

ZAGOLE, marketed as a FLAGYL GENERIC SYRUP, contains Metronidazole 200mg/5mls and comes in a 100mls bottle. Metronidazole is a well-established 5-nitroimidazole derivative, renowned for its potent activity against a wide range of anaerobic bacteria and protozoa. This medication is a prescription-only drug in Kenya, serving as a crucial agent in combating various parasitic and bacterial infections.

Unpacking the Formulation: Key Component and its Mechanism

Metronidazole’s unique chemical structure allows it to effectively target and eliminate anaerobic microorganisms.

• Metronidazole (200mg/5mls):
  • Class: Nitroimidazole Antimicrobial.
  • Mechanism of Action: Metronidazole is a prodrug, meaning it requires metabolic activation within the target microorganisms. Once it enters anaerobic bacteria or protozoa, specific enzymes within these organisms (e.g., pyruvate ferredoxin oxidoreductase) reduce the nitro group of metronidazole. This reduction creates highly reactive cytotoxic free radicals. These free radicals then interact with and damage the DNA and other essential macromolecules within the microbial cell, leading to inhibition of nucleic acid synthesis and cell death. This selective activation in anaerobic environments makes metronidazole highly effective against a broad spectrum of anaerobic bacteria and various protozoa, while having minimal effect on aerobic organisms. The syrup formulation allows for flexible dosing, especially beneficial for pediatric patients or those with difficulty swallowing tablets.

Addressing Health Concerns and User Needs

Zagole (Metronidazole syrup) primarily addresses various infectious diseases caused by susceptible anaerobic bacteria and protozoa, common in many regions, including Kenya.

• Protozoal Infections: It targets infections caused by single-celled parasites that can cause significant gastrointestinal or genitourinary distress.
• Bacterial Infections (Anaerobic): It effectively treats infections where oxygen-free environments allow specific bacteria to thrive, often in deep-seated infections or mixed infections.
• Flexible Dosing for Children: The syrup form allows for accurate and easy administration to children, who frequently experience parasitic infections.
• Broad Spectrum Activity: Its effectiveness against both anaerobic bacteria and various protozoa makes it a versatile antimicrobial agent for specific clinical scenarios.

Identifying Indications for Use

Zagole (Metronidazole) is a prescription-only medication specifically indicated for the treatment of susceptible protozoal and anaerobic bacterial infections, including:

• Amoebiasis: Infections caused by Entamoeba histolytica, affecting the intestines (amoebic dysentery) or other organs (amoebic liver abscess).
• Balantidiasis: Infection caused by Balantidium coli.
• Blastocystis hominis infections: A controversial but increasingly recognized cause of gastrointestinal symptoms.
• Giardiasis: Intestinal infection caused by Giardia lamblia.
• Trichomoniasis: A sexually transmitted infection caused by Trichomonas vaginalis.
• Anaerobic Bacterial Infections: Treatment of various serious infections caused by anaerobic bacteria, such as:
  • Intra-abdominal infections (e.g., peritonitis, intra-abdominal abscess).
  • Skin and skin structure infections.
  • Gynecological infections (e.g., bacterial vaginosis, pelvic inflammatory disease).
  • Bone and joint infections.
  • Central nervous system infections (e.g., brain abscess, meningitis).
  • Endocarditis.
  • Respiratory tract infections (e.g., aspiration pneumonia, lung abscess).
  • Septicemia.
• Helicobacter pylori eradication: As part of multi-drug regimens for peptic ulcer disease.
• Prophylaxis of anaerobic infections: In certain surgical procedures (e.g., colorectal surgery).

It has also been tried in the treatment of leishmaniasis and microsporidiosis, although these are less common or established indications.

Primary Uses

The primary uses of ZAGOLE (Metronidazole 200mg/5mls) syrup include:

• Eradicating protozoal parasites in the gastrointestinal tract and other body systems.
• Treating infections caused by anaerobic bacteria in various body sites.
• Preventing anaerobic infections in susceptible surgical patients.
• Providing an accessible and palatable liquid formulation for broad age groups, especially children.

Understanding Potential Side Effects and Critical Precautions

While Metronidazole is a highly effective antimicrobial, it can cause various side effects, and certain precautions are crucial for its safe use.

Common Side Effects (Generally Mild and Dose-Dependent)

• Gastrointestinal disturbances: Nausea, vomiting, diarrhea, abdominal cramps.
• Metallic taste: A very common and characteristic side effect.
• Loss of appetite (anorexia).
• Dizziness.
• Headache.
• Darkening of urine: This is harmless and due to a metabolite of metronidazole.

Less Common but More Serious Side Effects (Requiring Medical Attention)

• Neurological effects: Peripheral neuropathy (numbness, tingling, weakness in hands/feet, usually with long-term or high-dose use), seizures, encephalopathy (rare). If neurological symptoms occur, discontinue use immediately.
• Allergic reactions: Rash, itching, hives, swelling of the face, lips, tongue, or throat, difficulty breathing (severe cases like Stevens-Johnson syndrome are rare).
• Blood dyscrasias: Low white blood cell count (leukopenia) or low platelet count (thrombocytopenia). Monitor blood counts with prolonged use.
• Liver problems: Jaundice (yellowing of skin/eyes), dark urine, persistent nausea/vomiting, severe stomach pain (rare, but serious).
• Fungal (Yeast) Infections: Vaginal yeast infections or oral thrush can occur due to changes in microbial flora.
• Pancreatitis: Inflammation of the pancreas (rare).

Critical Safety Warnings and Precautions for Zagole (Metronidazole) Syrup

Zagole (Metronidazole) is a prescription-only medication. Its use MUST be under the strict guidance and supervision of a qualified physician.

• Alcohol Interaction (Disulfiram-like Reaction): ABSOLUTELY AVOID ALCOHOL (including alcohol-containing medications, cough syrups, etc.) during metronidazole treatment and for at least 48-72 hours after the last dose. Co-administration can cause a severe disulfiram-like reaction, characterized by flushing, headache, nausea, vomiting, abdominal cramps, sweating, and rapid heart rate.
• Neurological Adverse Effects: Discontinue metronidazole and consult a doctor immediately if neurological symptoms such as seizures, peripheral neuropathy (numbness, tingling, pain in extremities), or signs of encephalopathy (confusion, speech difficulties) develop. The risk increases with higher doses or prolonged use.
• Liver Impairment: Use with caution and consider dose reduction in patients with severe liver disease, as metronidazole metabolism may be impaired, leading to higher drug levels and increased risk of side effects.
• Kidney Impairment: Use with caution in patients with severe kidney impairment. Accumulation of metabolites may occur.
• Blood Disorders: Use with caution in patients with a history of blood dyscrasias. Monitor blood counts during prolonged therapy.
• Pregnancy and Breastfeeding:
  • Pregnancy: Generally contraindicated in the first trimester. Use in second and third trimesters only if clearly needed and the benefits outweigh the risks, as it crosses the placenta. Consult a doctor.
  • Breastfeeding: Metronidazole passes into breast milk. Advise breastfeeding mothers to either discontinue breastfeeding or pump and discard milk during treatment and for 12-24 hours after the last dose. Consult a doctor.
• Pre-existing Conditions: Use with caution in patients with central nervous system diseases, Crohn’s disease, or those predisposed to seizures.
• Drug Interactions: Inform your doctor about all other medications you are taking, especially:
  • Warfarin and other oral anticoagulants: Metronidazole can potentiate the anticoagulant effect, increasing bleeding risk. Monitor INR closely.
  • Lithium: Can increase lithium levels, leading to toxicity.
  • Disulfiram: Do not use concomitantly due to psychotic reactions.
  • Phenytoin, Phenobarbital: Can decrease metronidazole levels.
  • Cimetidine: Can increase metronidazole levels.
  • Busulfan: Can increase busulfan toxicity.
• Not for Viral Infections: Metronidazole is ineffective against viral infections (e.g., common cold, flu). Do not use for such conditions.
• Compliance: Complete the full course of treatment as prescribed, even if symptoms improve, to prevent recurrence and development of resistance.
• Driving/Operating Machinery: May cause dizziness or drowsiness; advise caution when driving or operating machinery.

Recommended Dosage and Administration Guidelines

The dosage of Metronidazole syrup varies significantly based on the type and severity of infection, patient age, and weight. Always follow a doctor’s precise prescription.

• General Administration:
  • Shake the bottle well before each use.
  • Measure the dose accurately using a measuring spoon or oral syringe provided with the medication, or as instructed by your pharmacist.
  • Take the medicine with or after food to minimize gastrointestinal upset.
• Typical Dosages (Examples – Varies by indication and age):
  • Amoebiasis:
    • Adults: 400mg to 800mg three times daily for 5-10 days.
    • Children: 35-50mg/kg/day in 3 divided doses for 5-10 days.
  • Giardiasis:
    • Adults: 250mg three times daily for 5-7 days or 2g once daily for 3 days.
    • Children: 15mg/kg/day in 3 divided doses for 5-7 days.
  • Trichomoniasis:
    • Adults: 2g as a single dose, or 250mg three times daily for 7 days.
  • Anaerobic Infections (Treatment):
    • Adults: Typically 500mg three times daily for 7-10 days, or longer depending on the severity.
    • Children: 7.5mg/kg three times daily.
• Duration of Treatment: The duration varies but generally ranges from 3 to 10 days for most acute infections. For severe or chronic infections, longer courses may be prescribed by the physician.
• Missed Dose: If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose.

Price in Kenya (Approximate)

As of Tuesday, July 1, 2025, the approximate price for ZAGOLE | FLAGYL GENERIC SYRUP | METRONIDAZOLE 200mg/5mls – 100mls in Kenya can range from Ksh 250 to Ksh 500 per bottle.

Note: Prices can vary significantly between different pharmacies, healthcare facilities, and regions in Kenya due to factors such as brand (generic vs. original Flagyl), supplier, and any prevailing duties or taxes. It is advisable to check with specific vendors for the most current pricing.

Conclusion

ZAGOLE (Metronidazole 200mg/5mls) syrup, a generic equivalent of Flagyl, stands as a highly effective and essential antimicrobial agent in Kenya. It successfully treats a broad spectrum of protozoal infections (like amoebiasis, giardiasis, trichomoniasis) and various anaerobic bacterial infections. The syrup formulation specifically provides a convenient and palatable option for accurate dosing, particularly for children. However, users must be acutely aware of its prescription-only status and the critical importance of avoiding alcohol during treatment and for a period afterward. Furthermore, close medical supervision is necessary to manage potential side effects, especially neurological ones, and to ensure appropriate dosage and duration, thus optimizing treatment outcomes and minimizing risks.