Medically reviewed on Oct 31, 2018
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Antibiotic
Chemical Class: Nitroimidazole
Uses For secnidazole
Secnidazole is used to treat vaginal infection (vaginosis) caused by bacteria in adult women.
Secnidazole is available only with your doctor's prescription.
Before Using secnidazole
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For secnidazole, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to secnidazole or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of secnidazole in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of secnidazole in the elderly.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking secnidazole, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using secnidazole with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Cholera Vaccine, Live
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using secnidazole with any of the following is usually not recommended, but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use secnidazole, or give you special instructions about the use of food, alcohol, or tobacco.
Proper Use of secnidazole
Take secnidazole only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.
Secnidazole should come with a patient information leaflet and patient instructions. Read and follow these instructions carefully. Ask your doctor if you have any questions.
Sprinkle the granules on soft food (eg, applesauce, yogurt, pudding). Swallow the mixture within 30 minutes without chewing or crunching the granules. You may drink a glass of water to help you swallow. Do not dissolve the granules in any liquid.
Keep using secnidazole for the full treatment time, even if you feel better after the first few doses. Your infection may not clear up if you stop using the medicine too soon.
The dose of secnidazole will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of secnidazole. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (granules):
- For vaginal infection caused by bacteria:
- Adults—2 grams (1 packet) once a day.
- Children—Use and dose must be determined by your doctor.
- For vaginal infection caused by bacteria:
If you miss a dose of secnidazole, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions While Using secnidazole
It is very important that your doctor check your progress at regular visits to make sure that secnidazole is working properly and to check for unwanted effects.
Secnidazole may cause a vaginal yeast infection. Check with your doctor right away if you have itching of the vagina or genitals or thick, white vaginal discharge with mild or no odor.
Secnidazole may increase your risk for cancer. Talk to your doctor about this risk.
Secnidazole Side Effects
Along with its needed effects, a medicine 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:
- Itching of the vagina or genitals
- thick, white vaginal discharge with mild or no odor
- Pain in the vagina or genital area
Some side effects 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:
- Change in taste
- loss of taste
- stomach pain
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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More about secnidazole
- Secnidazole Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
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