Vectical (generic: calcitriol) is a prescription medication used to treat mild to moderate plaque psoriasis in adults 18 years and older. Vectical belongs to a group of drugs called vitamin D analogs. It is not well understood how Vectical works to treat plaque psoriasis.

This medication comes in ointment form and is applied to the affected skin twice a day. It is not to be used in the mouth, on the eyes, or intravaginally.

Common side effects of Vectical include psoriasis, elevated levels of calcium in the urine, and itching.