Answer:
True
Explanation:
A adverse drug is a reaction to a drug from a medical injury. When taking the drug, once it goes into the persons body and their body reacts not as the drug would have is called a ADR. (Adverse Drug Reaction) What mainly causes ADR's is the body's allergies causing a reaction once the person takes it. Which means that the ADR will occur the first time the person takes the drug, which also means this statement is "true."
Hope this helps.
