Following many people who write to me saying that the diet that has been prescribed to them or the weight loss drugs (often anorectic) that the doctor has given them health problems, today I want to briefly address the issue of damages that can be obtained in the case in we have had the wrong diet or prescription drugs and supplements that have ruined us.

We distinguish two cases: 
the case in which it is the patient’s autonomous choice to go on a diet. In this case, if I want a diet in Italy I can have it legally from the dietician or nutritionist with a degree in biology. The dietician and pharmacist can also develop their own diets.
However, these figures cannot prescribe a diet, that is, they cannot tell dude: he must lose weight because he is obese / overweight.

In fact, the prescription is a medical act. Just as we go to the doctor to be prescribed a cure for a disease, it is the doctor who decides whether our overweight requires a diet or not . If we do our own thing and turn to other figures who are not doctors but carry out other health professions, that is if we independently ask to want to lose weight, these people can draw up a diet for us.
And they can turn to patients who go to them to go on a diet, with or without a previous medical prescription, even if it would be appropriate to have it, to draw up a food plan, without a prescription therefore it is a service. 

The case in which we go to the doctor for a health problem and he prescribes the diet: in this case, it is in fact the doctor, and therefore also the dietician, who can prescribe the diet as a cure for that health problem. And if he is wrong, for example by prescribing drugs or diets that have created problems for us, we can report him. Obviously we must prove that we have received the prescription from the doctor whether it is for the diet or the weight loss drug, and try to suffer from a series of ailments as a result of it.
We can obviously do the same thing in the first case too, however remembering that one account is a performance, another is a prescription.
To find out more, I refer you to this article published in The law for all.