It is medically termed as urophagia, and sexual excitement associated with is called urolangia. It is not considered as normal sexual activity, most a paraphilia. There is risk of STDs infections and other hygiene issues. Usually not considered good, but still if you want to get counseled, visit a psychiatrist for further advice.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.