To make an Advance Decision to Refuse Treatment you will need to document the exact future treatment that you do not want (wish to refuse). It is important to use the wording that fits the legal criteria set out in the Mental Capacity Act 2005. That is why it is helpful to use established Advance Decision to Refuse Treatment documents which use the correct terms.
There are a variety of document examples that people have found helpful.
It is not always possible to imagine and decide all the possible treatments that you do not want in the future. So, even if the Advance Decision to Refuse Treatment you have made does not fit the situation in the future, it would still form the basis of discussion between you, your family and health care professionals to decide your care.