<unk>  is an alpha-adrenergic blocker that is FDA approved for the treatment of hypertension.   Common adverse reactions include asthenia, dizziness, headache, sedated, disorder of ejaculation , impotence, reduced libido, drug fever.
Methyldopa
Phenindione
Cortisone
Metergoline
Tacalcitol
Levothyroxine 
Fluindione
Gadoteridol