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Vancomycin, Oral van-koh-MY-sin

What are other names for this medicine?

Type of medicine: antibiotic

Generic and brand names: vancomycin, oral; Vancocin; Vancocin HCl Pulvules

What is this medicine used for?

This medicine is an antibiotic that is taken by mouth to treat colitis infections of the intestines. This medicine treats infections caused by certain bacteria. It will not cure other infections.

What should my healthcare provider know before I take this medicine?

Before taking this medicine, tell your healthcare provider if you have ever had:

  • an allergic reaction to any other medicine
  • an inflammatory bowel disorder such as Crohn's disease
  • kidney disease

Females of childbearing age: Tell your healthcare provider if you are pregnant or plan to become pregnant. Do not breast-feed while taking this medicine without your healthcare provider's approval.

How do I use it?

Check the label on the medicine for directions about your specific dose. Take this medicine exactly as your healthcare provider prescribes. Do not take more or less or take it longer than prescribed. Do not stop taking this medicine without your healthcare provider's approval even if you feel better.

Swallow the capsules whole. Do not crush or chew them. You may take this medicine with or without food. Taking it with meals may lessen the chance the drug will upset your stomach.

What if I miss a dose?

If you miss a dose, take it as soon as you remember unless it is almost time for the next scheduled dose. In that case, skip the missed dose and take the next one as directed. Do not take double doses. If you are not sure of what to do if you miss a dose, or if you miss more than one dose, contact your healthcare provider.

What if I overdose?

Symptoms of an acute overdose have not been reported.

What should I watch out for?

This medicine may cause or worsen diarrhea. If you develop diarrhea while taking this medicine, contact your healthcare provider right away. Do not treat yourself. Some diarrhea medicine will make your diarrhea worse.

If your condition does not improve in a few days or if it gets worse, contact your healthcare provider.

If you need emergency care, surgery, or dental work, tell the healthcare provider or dentist you are taking this medicine.

What are the possible side effects?

Along with its needed effects, your medicine may cause some unwanted side effects. Some side effects may be very serious. Some side effects may go away as your body adjusts to the medicine. Tell your healthcare provider if you have any side effects that continue or get worse.

Life-threatening (Report these to your healthcare provider right away. If you cannot reach your healthcare provider right away, get emergency medical care or call 911 for help): Allergic reaction (hives; itching; rash; trouble breathing; tightness in your chest; swelling of your lips, tongue, and throat).

Serious (report these to your healthcare provider right away): Unexplained fever and chills, vomiting, trouble urinating.

Other: Stomach upset, bitter taste in mouth, sore mouth, itching.

What products might interact with this medicine?

When you take this medicine with other medicines, it can change the way this or any of the other medicines work. Nonprescription medicines, vitamins, natural remedies, and certain foods may also interact. Using these products together might cause harmful side effects. Talk to your healthcare provider if you are taking:

  • antibiotics such as amikacin, gentamicin, kanamycin, streptomycin, and tobramycin
  • cholesterol medicines such as cholestyramine (Questran) or colestipol (WelChol)

If you are not sure if your medicines might interact, ask your pharmacist or healthcare provider. Keep a list of all your medicines with you. List all the prescription medicines, nonprescription medicines, supplements, natural remedies, and vitamins that you take. Be sure that you tell all healthcare providers who treat you about all the products you are taking.

How should I store this medicine?

Store the capsules at room temperature. Keep the container tightly closed. Protect it from heat, high humidity and bright light.


This advisory includes selected information only and may not include all side effects of this medicine or interactions with other medicines. Ask your healthcare provider or pharmacist for more information or if you have any questions.

Keep all medicines out of the reach of children.

Do not share medicines with other people.


Developed by RelayHealth.
Medication Advisor 2012.1 published by RelayHealth.
Last modified: 2011-03-28
Last reviewed: 2010-04-09
This content is reviewed periodically and is subject to change as new health information becomes available. The information is intended to inform and educate and is not a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional.
© 2012 RelayHealth and/or its affiliates. All rights reserved.
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