Secnidazole

Secnidazole
4.85 ratingsReviews
Generic:
Secnidazole
Indications:
bacterial vaginosis vaginal infection
Analogs:
Metronidazole Tinidazole Ornidazole Clindamycin Nitazoxanide Solosec Flagentyl Flagyl
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.
In stock: 10 packs
AdultsPregnancyAllergiesDiabetesBreastfeedingChildrenDriving

Dosages

Secnidazole 1 g

Quantity Price per tablet You save Total price
10 $13.48 - $134.80
20 $10.66 $56.50 $213.10
30 $8.71 $143.10 $261.30
60 $6.16 $439.20 $369.60
120 $4.32 $1,099.10 $518.50

Manufacturers

Sanofi-Aventis France

Payment & Shipping

Package Example

Your order is carefully packed and ships within 24 hours. Here is what a typical package looks like.

Sized like a regular personal letter (9.4x4.3x0.3 inches), with no indication of what is inside.

Front View
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Side View
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Back View
Back View
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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Discount Coupons

  • Independence Day - July 4, 2026 10% JULY410
  • Labor Day - September 7, 2026 7% LABOR07
  • Thanksgiving - November 26, 2026 9% THANKS09

FAQ

A prescription is required to obtain secnidazole from local pharmacies in the United States. Our store policy allows you to order Secnidazole tablets without a prescription and have them sent by mail.

Take Secnidazole exactly as prescribed, even if symptoms improve sooner. Depending on the infection, secnidazole treatment may be a single-dose regimen rather than a multi-day course; do not take extra tablets or repeat treatment unless directed by a clinician.

Yes. A generic Secnidazole product uses secnidazole as its active ingredient. Tablet color, shape, packaging, manufacturer, and inactive ingredients can differ from a brand-name product or another generic version.

Secnidazole is a nitroimidazole antimicrobial used for susceptible vaginal infections, including bacterial vaginosis and trichomoniasis. It acts against certain anaerobic bacteria and protozoa, so it is not appropriate for every cause of vaginal symptoms.

Secnidazole should generally be avoided during pregnancy because human pregnancy data are limited. It should also be avoided while breastfeeding; secnidazole passes into breast milk, and breastfeeding is generally interrupted during treatment and for 96 hours after the last dose.

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.

Medically reviewed by
Brian Holtry
MD, infectious diseases specialist and medical writer
Updated August 11, 2026

Customer questions

Asked by Maria Lopez, San Diego, United States

I live in San Diego and am concerned about medicine sitting in transit. Can Secnidazole tablets normally be mailed without being damaged?

Answered by Support team

Yes, solid Secnidazole tablets can normally travel by mail when properly packed and kept in their original container. After arrival in San Diego, check that the package is intact and store the tablets at 68°F to 77°F, protected from moisture and light.

Asked by George R, San Jose, United States

How are Secnidazole tablets protected during transportation to San Jose? I do not want moisture or heat to affect them.?

Answered by Support team

Secnidazole tablets should remain in their original container, protected from moisture and light, during ordinary transportation to San Jose. Because the exact temperature exposure in transit cannot be verified, inspect the package on arrival and follow the labeled storage instructions before use.

Asked by Ashley Nguyen, San Francisco, United States

I found what appears to be the same generic Secnidazole for about half the price from another online store in San Francisco. Why should I order from you instead?

Answered by Support team

We stand behind the quality of the generic medicines we offer. We cannot verify what another seller supplies, how it is sourced or handled, or whether a lower-priced listing is truly equivalent in manufacturer, origin, and product quality; only you can decide whether the savings are worth that unknown risk.

Asked by Robert Chen, Seattle, United States

My Secnidazole package just arrived in Seattle. Where should I look for the lot number and expiration date?

Answered by Support team

Check the outer carton, bottle or blister packaging for the lot number and expiration date; their exact location can vary by package. Before using the tablets in Seattle, make sure the label is legible and the medicine is within its expiration date.

Asked by James Walker, Jacksonville, United States

I drive for work in Jacksonville. Can I drive after taking Secnidazole?

Answered by Support team
Medical reviewed by Brian Holtry

Secnidazole can cause dizziness, vertigo, confusion, or impaired coordination in some people. Do not drive or operate machinery if you notice any of these effects after a dose.

Product specifications

Active ingredientSecnidazole
Drug classNitroimidazole antimicrobial
Dosage formTablet
Available strengths1 g
RouteOral
StorageStore at 68°F to 77°F; excursions permitted to 59°F to 86°F. Keep in the original container, protected from moisture and light.
ATC codeP01AB07

Regulatory information

Approval StatusSecnidazole is authorized for human use in the United States.
Prescription RequirementSecnidazole tablets require a valid prescription from a licensed healthcare provider.

More information