Hi my husband has just woke up with a wet belly button and when he wiped it it was blood he is 36 stone an is due to have weightloss surgery next week?

Pl take him to ER: Not sure whether he had any hernias at belly button. With morbid obesity, sudden appearance of bleeding from navel is concerning. Sometimes things like umbilical granulations , like a vascular growth -harmless can happen inside the navel, especially in people who have some infections inside it from improper cleaning of it /similarly simple infections like boils( staph, strep. Bact. Infections can occ.