Hm..I'm not too sure what MH would say in answer to your question. I've read him recommend sitz baths without asking what cleanses one has done prior, so to me I thought it was okay to do them. but I have done some short fasts and done the dewormer, etc. I THINK any person could do sitz bathing...but you may check with MH on that. I know it's more effective if you are fasting but I tend to do them every day regardless. But I wouldn't be scared, it's no big deal. Just soak in hot water for 45 mins, and do the cold water bit for 15...surprisingly you don't get cold while doing it, and then you sweat for like 15 minutes afterwards and keep warm all night! At least I do.