What could cause a dog to have a rash with red bumps?

Answer by  hecarlso (196)

It could be an allergic reation, or from irritation if you dog has been running thru brush or long grass this can cause irritation. You should take your dog to the vet most likly they will give the dog a shot and it will clear up in a few days.

Answer by  Edward (115)

Allergic reactions to food or plants can do this, and it is safe to give the dog one benedryl tablet as an antihistime to treat. Look for the cause.

Answer by  katrescuer (431)

It could be caused by either flea allergy dermatitis, or the mange. Revolution can treat both conditions and can be obtained from your vet.

Answer by  Suggestion (335)

Several things can cause a dog to have a rash with red bumps. Your dog could be in ill health, allergic to his food, or have fleas.