Proin is an aid in the management of urinary incontinence in dogs. Proin requires a prescription from your veterinarian, and is considered a controlled substance in Arkansas, Iowa, Louisiana and Oregon. Proin is unavailable to be shipped to Arkansas, Iowa, Louisiana, Oregon or Internationally.
Best Answer: Dogs are in heat for 21 days. There are three distinct stages of the heat cycle. The first one is the âProestrusâ and it is during this stage the owner will often notice the bleeding from the vulva. The bleeding itself can be slight or she can leave evidence of her condition everywhere she sits or lays.
Proestrus Stage. This stage of dog heat can last from 4-20 days. The average is 7-10 days. There are 3 common signs for a dog in heat during this stage: Swollen Vulva: This is one of the best ways to spot the beginning of a dog heat cycle. The swelling is a significant difference over her normal appearance.