The first step of drug addiction treatment is to
a. determine the type of treatment
b. gather patient information
c. begin the detoxing process
d. determine the length of hospital stay

b. gather patient information

Explanation:

It is important that drug treatment begins with the initiative to gather information about the patient. This information will determine the patient's dependence, the degree of dependence, the patient's physical and psychological status, among other information that will be crucial for the establishment of techniques, peincipios and guidelines related to treatment that will be effective for that patient, in particular.

We know that no person is the same as another, so it is important that a specific treatment is established for each patient. For this reason, gathering information should be the first step in the treatment of drug addiction.

c would be the answer