Does apple cider vinegar really work on hemorrhoids? Told to bathe in it

YOW!! Don't believe everything you hear. This would be ineffective at best, and could cause significant irritation to the perianal skin at worst. The basics: increase dietary fiber and fluid (especially water). Avoid straining at stool. Sitz baths are soothing. Stiil ahve concerns? See a colorectal surgeon for an examination and management.
Hemorrhoids. In a small population of individuals, apple cider vinegar is apparently effective in treating both internal & external hemorrhoids. Theory states drinking vinegar prevents growth of unfriendly bacteria in the digestive tract. Topically, apple cider vinegar is an effective blood coagulant-stops the bleeding as well as decreasing pain/itching.