| | Healthcare Industry | Healthcare Management What does the medical abbreviation 1 tab qhs mean? 1 tab qhs means "one tablet at bedtime." It is a common medical abbreviation used to instruct patients on how to take their medication. Healthcare Management - Related Articles Recipes for Lowering Blood Pressure How to Find the Identity of a Prescription Pill How to Colon Cleanse at Home How long can Ebola survive outside its host? Instructions for Losing Weight Fast The Rules About Assets for Medicaid Pregnancy & Difficulty With Contacts