Secnidazole

Secnidazole
Indications:
bacterial vaginosis vaginal infection
Secnidazole 1000 mg (1 g) is in stock, and you can buy it online today. Secnidazole 500 mg tablets and 2 g tablets (Solosec) will be available to order soon.

Dosages

Secnidazole 1 g

Quantity Price per tablet Total price
20 $2.75 $55.00
30 $2.23 $67.00
60 $1.58 $95.00
120 $1.11 $133.00

Payment & Shipping

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Shipping Times
Shipping MethodEstimated delivery
Express Free for orders over $300.00Estimated delivery to the U.S.: 4-7 days
Standard Free for orders over $200.00Estimated delivery to the U.S.: 14-21 days
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Brand Names

Also known as (by country):
CountryBrand Names
Bangladesh
Pronil DS Secnid Secnidal Secnizol Sezol DS
Belize
Secnidol Forte
Bosnia and Herzegovina
Sezol
Brazil
Deprozol Neodazol Secdazol Secfar Secnaxidol Secnidal Secnidazol Secnihexal Tecnid
Colombia
Daksol Secnidal Secnidazol Xemizol Zecnazol
Costa Rica
Secnidazol
Dominican Republic
Secnidazol
Ecuador
Amebial Amebizol Canvir Ecuzol Esnidazol Italnidazol Pazidol Xamex
Egypt
Amebazole Fladazole Flagentyl Opinidazole Senidal
El Salvador
Secnidazol
France
Secnol
Georgia
Biazox Secdaza Secnidox Secnil Tagera Forte
Guatemala
Secdazol Secnidazol Secnidol Forte
Honduras
Secnidazol
India
Ambiform Etisec Secnil Forte
Lebanon
Flagentyl Secnol
Mexico
Gisistin Minovag Secnidal
Nicaragua
Secnidazol
Pakistan
A-sec Dysen Forte Enirobe Ganidal Ganidal Forte Liviat Nidaz
Panama
Secnidazol
Peru
Bianos Secnidazol Seczol Triconella
Portugal
Flagentyl
Tanzania
Fladazole
Turkey
Flagentyl Secnidox
United States
Solosec
Venezuela
Ambese Daksol Fazol Secnidazol Secnivax Seczol Unidazol
Vietnam
Dazoserc Flagentyl Secnol

Description

Note: Images in the description are provided for informational purposes and may differ from the actual appearance of the product. Please refer to the product name, strength, ingredients, and dosage form.

This medication is used to treat certain protozoal infections and infections caused by susceptible anaerobic bacteria. Its active ingredient is secnidazole, a 5-nitroimidazole antimicrobial. It may be active against organisms such as Trichomonas vaginalis, Giardia lamblia, and Entamoeba histolytica, and against some anaerobic bacteria (depending on local susceptibility and labeling).

Secnidazole Mechanism of Action

Secnidazole and other 5-nitroimidazoles enter susceptible microorganisms and undergo enzymatic reduction of the nitro group in anaerobic organisms and certain protozoa. Reactive metabolites can damage DNA and inhibit growth.

Secnidazole 1 g

How to Take the Medication?

Secnidazole 1 g is supplied as a film-coated tablet in some markets. Take it by mouth with water exactly as prescribed. Do not exceed the dose or duration recommended by your healthcare professional.

For adults, some product labels use 2 g as a single dose (i.e., two 1 g tablets or four 500 mg tablets) for conditions such as intestinal amoebiasis, giardiasis, and trichomoniasis. Certain labels also include bacterial vaginosis. Dosing can differ by infection and by country, and hepatic amoebiasis regimens may require multi-day treatment—follow local labeling and your clinician's instructions.

Uses

Secnidazole is an antimicrobial agent. Unnecessary use may contribute to resistance. Use it only when prescribed for an infection that is proven or strongly suspected.

Se cnidazole vs Albendazole vs Metronidazole vs Tinidazole

Medication Drug class What it’s typically used for Common regimen (adult, examples) Key cautions / notes Alcohol restriction
Secnidazole Nitroimidazole (antimicrobial/antiprotozoal) Bacterial vaginosis; trichomoniasis (US FDA for 2 g oral granules). In some markets also used for giardiasis/amoebiasis depending on local labeling. Often single-dose therapy (e.g., 2 g once for BV or trichomoniasis in FDA labeling for oral granules). Do not use with hypersensitivity to nitroimidazoles; avoid unnecessary/repeated use. Treat sexual partners for trichomoniasis to reduce reinfection risk. Avoid alcohol and products containing ethanol/propylene glycol during treatment and for at least 2 days after (per US label for granules).
Metronidazole Nitroimidazole (antibacterial/antiprotozoal) Wide range of anaerobic bacterial infections; protozoal infections; commonly used for BV and trichomoniasis (formulation-dependent). Typically multi-day courses (varies widely by indication/formulation). Boxed warning for carcinogenicity in rodents; avoid unnecessary use. Do not use with disulfiram within the last 2 weeks (psychotic reactions reported). Disulfiram-like reaction possible; avoid alcohol during therapy (and commonly for at least 24–72 hours after, per product labeling/clinician guidance).
Tinidazole Nitroimidazole (antiprotozoal/anaerobic antibacterial) Trichomoniasis, giardiasis, intestinal amebiasis, amebic liver abscess (US FDA labeling for tablets). Often single-dose for trichomoniasis/giardiasis; multi-day regimens for amebiasis (label-dependent). Avoid use with disulfiram (do not give if taken within last 2 weeks). May enhance effect of warfarin/other oral coumarin anticoagulants. Avoid alcohol and products containing ethanol/propylene glycol during therapy and for 3 days after the last dose.
Albendazole Anthelmintic (benzimidazole) Parenchymal neurocysticercosis (Taenia solium) and hydatid disease (Echinococcus granulosus) per US FDA labeling. Usually multi-day to multi-week regimens (depends on indication and body weight; often taken with food). Primarily for helminths (worms), not for BV/trichomoniasis/giardiasis. Liver function and blood counts may need monitoring with longer courses; avoid use in pregnancy unless clearly needed. No specific “disulfiram-like” alcohol reaction warning in FDA labeling (moderation still reasonable).

Note: Your product is secnidazole 1 g; dosing and approved indications can vary by country and formulation. Always follow local labeling and clinician instructions.

Contraindications and Precautions

Do not use secnidazole if you have hypersensitivity to secnidazole or other imidazole (nitroimidazole) derivatives. Some labels advise avoiding use during the first trimester of pregnancy and during breastfeeding; follow your local label and clinician advice.

Avoid alcohol during treatment and for at least 24 hours after the last dose. Do not use together with disulfiram.

Drug Interactions

Tell your healthcare provider about all medicines you take. Secnidazole may increase the effect of warfarin and other oral anticoagulants; monitoring may be needed.

Possible Adverse Effects

Side effects are usually mild and temporary. Reported reactions with nitroimidazoles can include gastrointestinal upset (nausea, abdominal pain), headache, dizziness, and a metallic taste. Seek urgent medical attention for signs of a severe allergic reaction (e.g., swelling of the face/throat, trouble breathing).

Storage

Store below 86°F (30°C). Protect from light and moisture. Keep out of the reach of children.

Reviewed by
Brian Holtry
MD, infectious diseases specialist and medical writer

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