Fem pH (vaginal)
What is Fem pH?
Acetic acid is a natural acidic substance that is normally found in vinegar.
Fem pH (for use in the vagina) is used to increase the acidity inside the vaginal canal.
Fem pH 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 this medicine 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 Fem pH will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.
It is not known whether Fem pH 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 Fem pH?
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. Fem pH is for use only in the vagina.
Fem pH 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 Fem pH 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 Fem pH?
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.
Fem pH 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 Fem pH 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 Fem pH?
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.
More about Fem pH (acetic acid topical)
- Side Effects
- Support Group
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- En Español
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- Drug class: topical anti-infectives
Related treatment guides
Where can I get more information?
- Your pharmacist can provide more information about Fem pH.
- 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.
- Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2012 Cerner Multum, Inc. Version: 1.01.
Date modified: March 06, 2018
Last reviewed: August 02, 2016