Generic Name: Sulfanilamide (sul-fa-NILL-a-mide)Brand Name: AVC

AVC is used for:

Treating certain vaginal infections.

AVC is a sulfonamide antibiotic. It works by blocking the growth of certain bacteria.

Do NOT use AVC if:

  • you are allergic to any ingredient in AVC or to sulfonamides (eg, sulfamethoxazole)
  • you have urinary blockage or anemia caused by decreased levels of folate in your blood
  • you are pregnant and at full term

Contact your doctor or health care provider right away if any of these apply to you.

Before using AVC :

Some medical conditions may interact with AVC . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have anemia, glucose-6-phosphate dehydrogenase deficiency, blood problems (eg, porphyria), liver or kidney problems, or strep throat

Some MEDICINES MAY INTERACT with AVC . However, no specific interactions with AVC are known at this time.

This may not be a complete list of all interactions that may occur. Ask your health care provider if AVC may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use AVC :

Use AVC as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Your doctor may instruct you to douche before using AVC . Follow your doctor's instructions for douching. Do not douche while using AVC without first checking with your doctor.
  • To clear up your infection completely, continue using AVC for the full course of treatment even if you feel better in a few days. Do not miss any doses.
  • If you miss a dose of AVC , use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once.

Ask your health care provider any questions you may have about how to use AVC .

Important safety information:

  • Diabetes patients - AVC may affect your blood sugar. Check blood sugar levels closely and ask your doctor before adjusting the dose of your diabetes medicine.
  • AVC may darken with age. This will not decrease its effectiveness during its labeled shelf life. Do not use AVC after the expiration date on the container.
  • Do not stop using AVC if your period starts or if you have sex. A sanitary napkin may be used to protect your underclothing. Do not use tampons.
  • Use AVC with extreme caution in CHILDREN. Safety and effectiveness have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: It is unknown if AVC can cause harm to the fetus. If you become pregnant while taking AVC , discuss with your doctor the benefits and risks of using AVC during pregnancy. Use vaginal applicators or inserters with caution after the seventh month of pregnancy. AVC is excreted in breast milk. Do not breast-feed while taking AVC .

Possible side effects of AVC :

All medicines may cause side effects, but many people have no, or minor, side effects. When used in small doses, no COMMON side effects have been reported with this product. Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); fever, chills, or persistent sore throat; increased discomfort; unusual itching or burning.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. AVC may be harmful if swallowed.

Proper storage of AVC :

Store AVC at room temperature, below 86 degrees F (30 degrees C). Store away from heat, cold, moisture, and light. Keep AVC out of the reach of children and away from pets.

General information:

  • If you have any questions about AVC , please talk with your doctor, pharmacist, or other health care provider.
  • AVC is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about AVC . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

  • AVC Prescribing Information (FDA)
  • AVC Concise Consumer Information (Cerner Multum)