Incredible Which Medications Cause Hair Loss References. Other medications and supplements may be used to prevent hair thinning. If taken in large doses, vitamin a can lead to telogen effluvium.

Lost hair will usually regrow once the medication is. Trimethadione (tridione) and valproic acid (depakote). Spironolactone is a diuretic pill that’s used to treat high blood pressure, and it.