What may increase your risk for a problem from a blister?

Many conditions, lifestyle choices, medications, and diseases interfere with your body's 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

• Chronic skin conditions, such as psoriasis or eczema
• Obesity
• Pregnancy
• Severe malnutrition
• Surgery to remove the spleen

Lifestyle choices

• Alcohol abuse or withdrawal
• Drug abuse or withdrawal
• High-risk sexual behavior
• Smoking or other tobacco use

Medications

• Antibiotics, such as penicillins or sulfonamides
• Chemotherapy or radiation therapy
• Corticosteroids, such as prednisone
• Medications to prevent organ transplant rejection

Diseases

• Any disease that has caused blisters in the past
• Cancer
• Decreased blood flow (venous insufficiency or peripheral arterial disease)
• Diabetes
• Eating disorders, such as anorexia or bulimia
• Heart disease
• Human immunodeficiency virus (HIV) infection
• Kidney disease
• Liver disease, such as hepatitis or cirrhosis
• Malabsorption syndromes
• Multiple sclerosis (MS)
• Sickle cell disease
• Spinal cord injury
• Stroke