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Generic Name: secnidazole (sek NID a zole)
Brand Names: Solosec
Solosec (secnidazole) is used to treat bacterial vaginosis. Includes Solosec side effects, interactions and indications.
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Drug Information:
Solosec (secnidazole) is an antibiotic that fights bacteria. Solosec oral granules are a prescription medicine used in women to treat bacterial vaginal infections. Secnidazole will not treat a fungal (yeast) infection. You should not breast-feed while using Solosec and for at least 4 days after your last dose. You should not use Solosec if you are allergic to secnidazole or similar medicines such as benznidazole, metronidazole (Flagyl), or tinidazole (Tindamax). It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant. Learn more

Solosec Side Effects

Solosec Side Effects

Note: This document contains side effect information about secnidazole. Some of the dosage forms listed on this page may not apply to the brand name Solosec.

For the Consumer

Applies to secnidazole: oral granule

Along with its needed effects, secnidazole (the active ingredient contained in Solosec) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking secnidazole:

More common

  • Itching of the vagina or genitals
  • thick, white vaginal discharge with mild or no odor

Less common

  • Pain in the vagina or genital area

Some side effects of secnidazole may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

  • Change in taste
  • diarrhea
  • headache
  • loss of taste
  • nausea
  • stomach pain

For Healthcare Professionals

Applies to secnidazole: oral granule for reconstitution


Common (1% to 10%): Vulvovaginal candidiasis, vulvovaginal pruritus


Nausea, abdominal pain, and vomiting have also been reported during postmarketing experience with other 2 g formulations outside the US.

Common (1% to 10%): Nausea, diarrhea, abdominal pain, vomiting

Nervous system

Dysgeusia and headache have also been reported during postmarketing experience with other 2 g formulations outside the US.

Common (1% to 10%): Headache, dysgeusia

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Solosec