Can Dogs Take Saint Johns Ward?
Can Dogs Take Saint Johns Ward? St. John’s wort (Hypericum perforatum), also known as Klamath weed, is a member of the Clusiaceae family and is toxic for dogs, causing photosensitization (sun sensitivity) and contact dermatitis. Is St Johns Wort poisonous? Johnswort, the poisonous compound in the plant, hypericin, reaches the skin from an internal route