Hair Growth Products
Poisonous to Cats

Minoxidil, a topical solution used to promote hair growth in humans, poses serious health risks for cats, according to the American Society for the Prevention of Cruelty to Animal's Animal Poison Control Center.

Problems From Exposure

"While the possibility of clinical problems from minoxidil exposures exists for dogs and other animals, too, cats may be especially sensitive because they lack a specific enzyme necessary for breaking this drug down in their bodies," said Sharon Gwaltney-Brant, DVM, medical director of the APCC. Cats ingesting the drug can experience lethargy, a severe drop in blood pressure, fluid accumulation in the lungs, and damage to the heart muscle that can result in cardiac arrest, according to APCC data. "Lethargy and a drop in blood pressure typically develop within 12 hours, and the cardiac effects generally occur three to four days following exposure if treatment is not sought quickly," said Gwaltney-Brant.

Minimizing Exposure

To minimize exposure to the drug, the ASPCA said pet owners should never apply minoxidil products to their cat or in the same room as their cat, always clean up any product spills immediately, and never allow their cat to lick any area treated with the product. Including pillow cases and sleeping areas where the product may rub off. If ingestion of minoxidil is suspected, the ASPCA said owners should contact a veterinarian immediately.

September AAFP E-Mews, Copyright 2005, All rights reserved.


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