Diarrhea and lump on face.

Dr. Marie replied:

I'm sorry to hear that Nikita is having these problems. What you are describing is quite unusual.

Primor (sulfadimethoxine) is generally a safe drug. It is possible for a dog to react to this drug and yes, facial swelling is one of the possible (but rare side effects). It is a little bit unusual though that the swelling started on just one side of her face. Usually an allergic reaction to something ingested would be pretty symmetrical. Also, if the Primor was causing the swelling then it's unlikely that the second lump would come up after you had stopped the medication.

I don't think that the Cephalexin is causing problems.

It's possible that maybe there is something else causing allergic reactions. At this time of year, wasp stings can be common. Is this a possibility?

A swollen lymph node could cause a lump (or lumps) on the face but these are not usually itchy.

Are the lumps just under her eyes? It's possible that she has something called a carnassial tooth abscess. It would be a little bit strange for a second one to develop just after the first though.

I think it is probably a good idea to have your vet take a look at Nikita again as this is not something that I would consider normal. Also, she seems uncomfortable so if the vet does think that this is an allergic reaction then they may prescribe some antihistamines.

I hope things are better soon!

Dr. Marie



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