Is it possible my dog can develop an allergic
reaction to Tagamet? Since we started giving it
to her she has developed a red coloring to her
skin. I asked the vet and she said no but I
thought I would get a second opinion.
Tagamet, also known as cimetidine, is a medicine that is prescribed for gastrointestinal problems in cats and dogs.
Cimetidine is very popular among veterinarians in part due to its exceptionally low rate of side effects. It is among the safest medicines ever invented.
But it is a medicine. And any medicine can cause side effects. Red, irritated, or inflamed skin is not listed in literature as a side effect of cimetidine. However, a general rule of pharmacology is that skin problems can be a side effect of any medicine.
In my opinion it is not very likely that the cimetidine is playing a role in your dog’s skin problem. But it is not entirely impossible either.
An allergic reaction to pollen, food, fleas or an environmental agent is the most likely cause of your dog’s issues. Nonetheless, I’d recommend that you discontinue the cimetidine if the gastrointestinal problems for which it was prescribed have resolved.
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