Cystic acne, pimples. Skin irritation due to damp heat - eczema, boils, carbuncles, etc. With appropriate diagnosis can be used for acute dermatitis, poison ivy/oak.
Hemorrhoids and/or anal fissures, bleeding from the anus (fresh blood in most cases). Ulcerative colitis. Rectal polyps. Rectal prolapse.
Painful urination with cloudy or dark urine due to heat. Possibly blood in the urine -bright red blood not occult.