Using benadryl for dogs is one way to treat symptoms typically found in allergies and anxiety. It has many other uses as well. You can take a look around and learn all about it. For starters, Benadryl is a type of antihistamine, which works by impeding the H-1 receptors on smooth muscle and blood vessels. More specifically, Benadryl is a brand name for an allergy-relieving medication administered to dogs. This post may contain affiliate links. I am not a veterinarian. I am a blogger who shares my day to day experiences feeding my dogs a raw food diet. Severe swelling (shut or almost) of both eyes Severe swelling (shut or almost) of one eye with fever Eyelid (outer) is very red and swollen with fever Your child looks or acts very sick You think your child needs to be seen, and the problem is urgent Mosquito bites are very common. Bites to the face A swollen eyelid can vary from mild irritation to affecting a person's vision. Most conditions are harmless, but it might be a good idea to visit a doctor for advice. This article looks at 12 of. RELATED: 7 Eye Symptoms and What They Could Mean. I went to urgent care and told them what had been happening. The doctor insisted it was allergies, and said I should take some Claritin. my dog's face is swollen, her muzzle is swollen on both sides and very firm/hard when i gently squeeze her muzzle. She isn't having any trouble breathing beyond panting, but she is almost 13 years old and pants a lot, so this is not abnormal. My mom is 78 and a diabetic. Can she take Benadryl? She is congested and has a sore throat. She was outside all day on - Answered by a verified Doctor Hi, welcome to justanswer, Benadryl can produce urinary retention and painful urination. Benadryl has anticholinergic effects , which can produce inadequate contraction of the bladder muscles and urinary retention. Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. Weixel on why are my hands swollen and itchy: There are several possible causes. You should have a doctor evaluate the issue and then you will know.