Reference: Fataawa wa Rasaa.il Shaykh ‘Abdur-Razzaaq ‘Afeefee – Volume 1, Page 181, Fatwa No.17
Question: Is it imperative to remove a medical plaster when making wudhoo or taking a ghusl?
Response: [The situation regarding] a medical plaster is according to the harm [that may be caused by removing it]; If removing it causes harm, then it should remain and you should take a ghusl with it on.
