Review melatonin before adding it to trazodone, particularly if you already feel sleepy or unsteady. A new combination-study protocol has not yet provided results that quantify the effect.
Melatonin and valproate have been studied together under supervision. Some trials found better sleep without increased daytime sleepiness, so universal avoidance is not supported. Individual drowsiness remains possible, and people with epilepsy should use melatonin with medical supervision.
Review melatonin before adding it to ziprasidone, especially if you already feel sleepy, dizzy or unsteady. The exact combination’s risk has not been quantified.