The Irreverent Vet Speaks out – How Long Do Expired Cat Medications Last?
How long do cat medications really last? Our customer service department gets a lot of emails from cat lovers about every type of question you can imagine about cats. Recently, they forwarded some emails they thought were suited to me, the Irreverent Veterinarian. They knew that I would speak the truth regardless of pet owners or other veterinarians liked it or not. The topic that I’ll address today is…How Long Do Expired Medications Really Last? All medications have an expiration date on their label. A common question that clients ask is…can they use expired medications for their cats? Are they still good? There are several factors that can affects the “shelf life” including exposure to light, lack of appropriate refrigeration, and eventually…the chemical instability of the product that can occur with time. This last is the part that can be hard to determine with many products. It can be nearly impossible to tell when the chemical stability of a product is altered. With some liq