What may increase your risk for problems from a bite?

Many conditions, lifestyle choices, medications, and diseases interfere with your ability to heal or fight infection. You may be at risk for a more serious problem from your symptoms if you have any of the following. Be sure to tell your health professional.

Conditions

  • A problem or condition present since birth (congenital defect)
  • Age over 60
  • Artificial joint or heart valve
  • Bitten while traveling in a foreign country or in the United States near the border with Mexico
  • Child younger than 6 months old
  • Malnutrition
  • Obesity
  • Previous mastectomy, if the bite is near the area
  • Previous similar injury
  • Previous surgery to injured area
  • Previous surgery to remove the spleen
  • Swelling (edema) in the limb where the injury occurred
  • Unknown or uncertain tetanus immunization history

Lifestyle choices

  • Alcohol abuse or withdrawal
  • Drug abuse or withdrawal
  • Smoking or other tobacco use

Medications

  • Anticoagulants, such as:
    • Aspirin
    • Enoxaparin (Lovenox)
    • Heparin
    • Warfarin (Coumadin)
  • Corticosteroids, such as prednisone
  • Medications to prevent organ transplant rejection
  • Medications used to treat cancer (chemotherapy)
  • Radiation therapy

Diseases

  • An eating disorder, such as anorexia nervosa or bulimia nervosa
  • Autoimmune diseases, such as lupus
  • Bleeding disorder, such as hemophilia or von Willebrand's disease
  • Cancer
  • Decreased blood flow (venous insufficiency)
  • Diabetes
  • Heart disease
  • Hemophilia
  • Human immunodeficiency virus (HIV) infection
  • Idiopathic thrombocytopenic purpura (ITP)
  • Kidney disease
  • Liver disease
  • Multiple sclerosis (MS)
  • Osteoarthritis
  • Osteomyelitis
  • Peripheral arterial disease
  • Rheumatoid arthritis
  • Sickle cell anemia


Author: Jan Nissl, RN, BSLast Updated: June 10, 2008
Medical Review: William M. Green, MD - Emergency Medicine
H. Michael O'Connor, MD - Emergency Medicine

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