Prevention. thoroughly spray from tail end to top of tail with Ultrashield Black container Fly Spray.
My vet told me to use flea shampoo, to kill the bugs. Also to shampoo with a dandruff product. This helped a LOT. Beyond that, I’ve done the same things other posters suggested: Listerine (the original yellow) sprayed thoroughly (think soaking, I rubbed it in) twice daily, Desitin extra strength, fly spray around the entire area thoroughly. I’ve also used human anti-itch products.
Tea tree oil/cream works really well also.
Do horses get hemorrhoids?
Equishield IBH salve. It’s not cheap, but it works!
“Soothing topical anesthetic salve with antiseptic and anti-inflammatory properties. Repels insects naturally.”
NOTE: Lidocaine will test at competitions. Last year a horse tested positive because the triple antibiotic they used on some bug bites had a pain killer in it…