Are vitamins considered medications too?

Yes: Vitamins are medications when they are used to treat a given condition caused by the deficiency of that vitamin. By definition, a vitamin is a substance that needs to be present in a very small quantity to maintain health. "vita" life, "min" miniscule or very small. Examples being scurvy, the deficiency of vitamin c, or rickets the deficiency of vitamin d.

Yes At Higher Dose: Vitamins are considered medications when taken in amounts that exceed usual daily requirements. Examples include Niacin (vitamin b3) and vitamin d.