<unk> (injection) is a vitamin analog that is FDA approved for the treatment of secondary hyperparathyroidism in patients with chronic kidney disease on dialysis.   Common adverse reactions include weakness, headache, somnolence, nausea, vomiting, dry mouth, constipation, muscle pain, bone pain, metallic taste, anorexia, polyuria, polydipsia, weight loss, nocturia, conjunctivitis (calcific), pancreatitis, photophobia, rhinorrhea, pruritus, hyperthermia, decreased libido, elevated blood urea nitrogen (BUN), albuminuria, hypercholesterolemia, elevated serum aspartate transaminase (AST) and alanine transaminase (ALT), ectopic calcification, hypertension, cardiac arrhythmias, sensory disturbances, dehydration, apathy, arrested growth, urinary tract infection and, rarely, overt psychosis.
Doxercalciferol 
Ergocalciferol
Cholecalciferol
Calcitriol 
Vitamin D
Calcipotriol
Retinol
Menadione