Drugs and medicines are two different thing though pepole tends to use the word interchangeably. Drugs are not considered as medicine because of the <em>fact that they are chemically different substances. </em>
Some drugs gives people the hallucinating effects instead of to cure, treat or prevent diseases hence the reason why it is banned and a heavy fine given to some caught with it.
Medicine on the other hand, are meant to prevent or cure diseases. most of this could be purchased without the doctors prescription in the pharmacies.
C. medicines are used to cure, treat, and prevent diseases
Explanation:
Medicines are drugs, produced from natural sources or synthesized from chemicals, which are prescribed in doses specifically for the treatment, cure, or prevention of diseases. All medicines are drugs, however, not all drugs are medicines. Drugs also include other substances that can have physiological effects on the body system when taken. Examples of drugs that cannot be considered as medicines are cocaine, nicotine alcohol etc.