Answer:

Prescription Drug (also prescription medication or prescription medicine ) is a pharmaceutical drug that legally requires a medical prescription to be dispensed. In contrast, over-the-counter drugs can be obtained without a prescription .

Over-the-counter Drug also known as OTC or

nonprescription medicine. All these terms refer to

medicine that you can buy without a prescription. They are safe and effective when you follow the directions on the label and as directed by your health care professional.

Similarities A substance intended for use in

the diagnosis, cure, mitigation, treatment,

or prevention of disease.