What is Fem Ph: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Fem Ph overview

BRAND NAMES:

  • Fem pH, MetroGel-Vaginal, Nuvessa, Relagard, Summer's Eve Douche, TopCare Feminine Douche, Trimo-San, Vandazole, Vandazole, Vandazole

Generic Names:

  • Fem Ph

Uses:

  • Treats vaginal infection caused by bacteria.

Therapeutic Classes:

  • Antibacterial

Forms:

How it’s taken:

  • Into the vagina

What is Fem Ph used for?

What form(s) does Fem Ph come in

What are common Fem Ph doses?

  • Tube 50GM of 0.9-0.025%

Common Fem Ph prescriptions

  • Fem pH
    50gm of 0.9-0.025% tube

How to take Fem Ph

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Vaginal routeThis medicine is to be used only in the vagina. Use at bedtime unless your doctor tells you otherwise.

  • Vaginal routeWash your hands with soap and water before and after using this medicine.

  • Avoid getting this medicine in your eyes. If it does get in your eyes, rinse them thoroughly with cool water.

  • Vaginal routeWash the applicator with warm, soapy water after you use it. If the medicine comes with disposable applicators, use each applicator only once, and then throw it away.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Avoid getting this medicine in your eyes. If it does get in your eyes, rinse them thoroughly with cool water.

  • Vaginal routeThis medicine is to be used only in the vagina. Use at bedtime unless your doctor tells you otherwise.

  • Vaginal routeWash the applicator with warm, soapy water after you use it. If the medicine comes with disposable applicators, use each applicator only once, and then throw it away.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Vaginal routeWash your hands with soap and water before and after using this medicine.

What to do if you miss a dose of Fem Ph

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Vaginal routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of the used medicine applicator(s), containers and any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Fem Ph contraindications

  • You should not use this medicine if you have had an allergic reaction to an antibacterial such as clindamycin (Cleocin®), lincomycin (Lincocin®), or metronidazole (MetroGel®). You should not use this medicine if you have ever had an intestinal disorder such as ulcerative colitis, or colitis from using antibiotics.

Fem Ph warnings

  • Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have any nerve disorders, liver disease, or a history of alcohol abuse.

  • This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.

  • Vaginal routeThis medicine may leak out of your vagina during the day. You may wear a sanitary pad to protect your clothing, but do not use a tampon.

  • Vaginal routeKeep using this medicine for the full time of treatment, even if your symptoms improve after the first few doses. Do not stop using the medicine if your menstrual period begins during your treatment time. Use sanitary pads rather than tampons.

  • Do not have sexual intercourse while you are using this medicine and for 3 days after your treatment ends.

  • Unusual bleeding.

  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

  • Vaginal pain.

Fem Ph interactions

  • Vaginal routeAvoid using douches or other vaginal products unless your doctor tells you to.

  • Do not drink alcohol while you are using this medicine.

  • Vaginal routeKeep using this medicine for the full time of treatment, even if your symptoms improve after the first few doses. Do not stop using the medicine if your menstrual period begins during your treatment time. Use sanitary pads rather than tampons.

  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

  • Make sure your doctor knows if you are also using cimetidine (Tagamet®), disulfiram (Antabuse®), lithium, or a blood thinner such as warfarin (Coumadin®).

  • Tell your doctor if you are using medicine to treat a muscle disorder, such as ambenonium (Mytelase®), neostigmine (Prostigmin®), or pyridostigmine (Mestinon®).

Fem Ph side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Menstrual-type pain.

  • Diarrhea that may contain blood.

  • Numbness, tingling, or burning pain in your hands, arms, legs, or feet.

  • Problems with urination.

  • Seizure.

  • Unusual bleeding.

  • Vaginal pain.

Less Serious Side Effects

  • Headache.

  • Pain in your pelvic area.

  • Nausea, vomiting, stomach pain.

  • Diarrhea or constipation.

  • Mild skin rash or itching.

  • Dry mouth.

  • Mild vaginal burning or dryness.

  • Vaginal itching or discharge.