If a patient is forbidden from eating lawful food and then does not comply and eats it, is his punishment the same as the punishment of one who eats food that is forbidden by the Shari'ah?

Question:
When a patient is forbidden from certain drinks or certain lawful foods to preserve his health and safety, and then he does not comply with this advice, is his punishment the same as the punishment of one who drinks or eats food that is forbidden by the Shari'ah? A patient may harm himself to the point of destruction through eating and drinking that is usually lawful. So, is his eating in that case akin to consuming riba (usury or interest) or eating food that is forbidden in the first place? Please guide us on this matter. May Allah reward you with good.

Answer:
There is no doubt that when a patient is forbidden from certain permissible foods or drinks because they harm him or worsen his illness, he should comply with this to preserve his health, to utilize permissible means, and to avoid falling into harm. However, if he drinks or eats from them, it does not become forbidden for him in the same way that alcohol and other forbidden foods and drinks are forbidden. It is not forbidden for him; because these are permissible things, but he was medically prevented from them to preserve his health. Therefore, his violation of this is contrary to what is best, contrary to what is preferable, and that is...