Avoid taking medicines for erectile dysfunction (sildenafil, avanafil, Viagra, Cialis, and others).
Do not donate blood while taking this medicine and for at least 6 months after your last dose. Dutasteride could cause birth defects if a pregnant women receives a transfusion with blood that contains this medicine.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
