Amitriptyline (10 mg) is non-addictive and it (0.75 of a pill) didn't make me feel drowsy the next day (while allowing me to sleep during the time when my T had been at its worst).
Large doses (I believe over 50 mg) have been shown to reduce T in 10 or 20% of the patients. Unfortunately, like all drugs that can reduce T, about 1% of people who take amitriptyline report their T getting louder. So it works for the vast majority of people, but some unlucky folks live to regret taking it.