Senior horse with inflamed groin area and rain rot is diagnosed with Cushing's.
Channel: Yeshua girl
Date: 2019-04-04

5/23/2019 update, Cheney Washington: 
I am so grateful to post that Duke is improving rapidly after being prescribed Pergolide. His tests revealed that he was in the early stages of Cushing's disease, however, due to his advanced age (30 years old) he was struggling. DVM Scott Habegger put him on 1 mg of Pergolide; after one week I could see that the medicine was working, but Duke was extremely depressed and sluggish. I cut him back to 1/2 mg and instantly he regained some energy while continuing to improve.
Please note that DVM. Scott is impeccable in his testing procedures and even travels with a centrifuge on his truck. He follows the testing procedures for Cushing's exactly as the instructions state so that the results are accurate.
In Duke's case, Cushing's disease (outwardly) only seemed to affect his skin, but looking back I realize the horse was not himself last year. If your senior horse does not seem himself please consider having your vet test for Cushing's because it can present differently in horses.
I will post updated pictures of Duke soon. 
  Update 4/22/19: Please ignore the audio - Antibiotics ended up helping this part of his skin condition, however, the vet believes he may have Cushing's disease and is testing for that this week. the wormer did not have any long term effect, and the slight decrease in his groin swelling was just due to the topical creams I was using. The antibiotic  I am using is sulfamethoxazole 800mg with Trimethoprim 160 mg. Duke is close to thirty years old and is basically a sturdy guy with good feet. He is showing a longer than usual spring coat, especially on the underside, which is common with Cushing's. Also, rain rot is springing up on his neck, sides and buttocks.

First post: horse skin issue may be caused by onchocerciasis? (Neck Thread worm) Vet coming tomorrow. Treatment for ringworm is not effective. Symptoms have subsided slightly since worming with Moxidectin three days ago (next day after pic.)