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Procedures That May Require Antibiotics to Prevent Endocarditis - Topic Overview

Some people who are at risk for endocarditis take preventive (prophylactic) antibiotics before they have certain dental or surgical procedures that could put bacteria or fungi into their blood. The antibiotics lower the risk of getting endocarditis.

Not all people who may have risk factors for endocarditis take antibiotics. The people who take antibiotics have certain heart conditions that make getting endocarditis even more dangerous. If you do not have these conditions, antibiotics are not likely to help you.

These heart conditions include:

Talk to your doctor or dentist

Your doctor can tell you whether you need to take antibiotics. Before you have any medical, dental, or surgical procedures, tell all other health professionals who may treat you that you are at risk for endocarditis.

If your doctor or dentist recommends that you take preventive antibiotics, the medicine typically is given 30 minutes to 1 hour before the procedure.

What procedures need antibiotics?

Dental procedures
  • Tooth removal (extractions), implants, or reimplantation of teeth lost from injury
  • Periodontal procedures, such as oral surgery, scaling, root planing, and probing
  • Gum surgery
  • Removal of stitches
  • Initial placement of orthodontic bands (not brackets)
  • Teeth cleaning and fillings
Respiratory tract (airway) procedures
Skin, bone, or tissue procedures
  • Surgery that involves infected skin, bone, or muscle tissue, such as surgery to remove infected bone (osteomyelitis) or infected tissue

What procedures do not need antibiotics?

Dental procedures
  • Tooth restoration or replacement, unless significant bleeding is expected
  • During the buildup of the new tooth material phase of a root canal (intracanal endodontic treatment, post placement, and buildup)
  • Placement of rubber dams
  • Placement, adjustment, or removal of mouth (orthodontic) appliances (such as braces or retainers)
  • Oral impressions
  • Mouth X-rays
  • Loss of baby tooth (primary tooth)
  • Shots used to numb the mouth
Respiratory tract (airway) procedures
  • Insertion of a tube through the nose or mouth to open or widen the airway, give anesthesia, or remove secretions (endotracheal intubation)
  • A procedure in which a flexible tube is guided down your throat to look into your breathing tubes (flexible bronchoscopy without biopsy)
  • Eardrum incision for tube placement (tympanostomy)
Stomach and intestinal tract procedures
Urinary system procedures
  • All urinary system procedures and surgeries
Other procedures
  • Cardiac catheterization, including balloon angioplasty
  • Implanted cardiac pacemakers
  • Implanted defibrillators and coronary stents
  • Incision or biopsy of surgically scrubbed skin
  • Circumcision
  • Ear and body piercing
  • Tattooing
  • Hysterectomy

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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