Acetic acid (vaginal)
Medically reviewed on August 2, 2018
What is acetic acid vaginal?
Acetic acid is a natural acidic substance that is normally found in vinegar.
Acetic acid vaginal (for use in the vagina) is used to increase the acidity inside the vaginal canal.
Acetic acid vaginal may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use acetic acid if you are allergic to acetic acid or vinegar.
Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, especially foul-smelling vaginal discharge or other signs of a bacterial infection.
It is not known whether acetic acid vaginal will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.
It is not known whether acetic acid vaginal passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.
How should I use acetic acid vaginal?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Do not take by mouth. Acetic acid vaginal is for use only in the vagina.
Acetic acid vaginal is most commonly used every day, in the morning and in the evening.
Wash your hands before and after using vaginal medication.
Read all patient information, medication guides, and instruction sheets about how to insert the medicine.
Use this medicine only with the applicator provided.
If the applicator will be reused, take it apart and wash it with warm water and mild soap, then dry it completely.
Vaginal solution is usually packaged in single-use disposable bottles and applicator tips.
Do not reuse a disposable douche applicator or bottle.
You can use a sanitary napkin to prevent the medicine from staining your clothing, but do not use a tampon.
Your doctor may also prescribe antibiotic or antifungal medicine to treat your vaginal condition. Keep using all recommended medications for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotic or antifungal medication.
Call your doctor if your symptoms do not improve, or if they get worse.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
An overdose of acetic acid vaginal is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.
What should I avoid while using acetic acid vaginal?
Avoid getting this medication in your eyes, nose, mouth, or rectum. If this does happen, rinse with water.
Avoid wearing tight-fitting, synthetic clothing (such as panty hose) that does not allow air circulation. Wear loose-fitting clothing made of cotton and other natural fibers until your condition is treated.
Acetic acid vaginal side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using acetic acid vaginal and call your doctor at once if you have:
severe burning, stinging, or irritation after using the medicine; or
any new symptoms.
Common side effects may include:
mild burning or stinging after use.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect acetic acid vaginal?
It is not likely that other drugs you take orally or inject will have an effect on vaginally applied acetic acid. But many drugs can interact with each other. Tell each of your health care providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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