5-FU (Efudex, Carac, Adrucil and Fluoroplex) Cream Will Poison Animals

As a veterinarian, I always worry about my patients coming into contact with medicated creams from their owners.  One of the worst is 5-Fluorouracil (5-FU) which is used in humans to treat basal cell carcinoma and actinic keratosis of the skin. The patient applies a cream containing 5-FU to the affected area. Unfortunately, 5-FU is …