During a week when sleep is already disrupted, one long-trusted brand name is being flagged for a potential health risk.

Vitamin B6 is available in capsules, tablets, and liquids ... taken three or four times daily (40 mg to 100 mg total daily) Unisom: 10 mg to 25 mg at bedtime (or as directed by your provider ...

Women can get doxylamine (Unisom SleepTabs) in 25 mg tablets and vitamin B6 in 25- or 50-mg tablets (note that Unisom SleepGels contain diphenhydramine, not doxylamine). There are various dose ...