What are the side effects of garlic?

Bad breath, gas &... In general, garlic is one of the healthiest foods we can eat & is generally well-tolerated, but not everyone tolerates it well. It famously causes bad breath.Some get intestinal gas or upset stomach from it. It can sting/irritate the skin.Some are allergic to it and report headaches, muscle aches, fatigue &/or dizziness but that's rare.See http://umm.Edu/health/medical/altmed/herb/garlic & comment:.