High doses of vitamin A are safe and well accepted by preschool children, although evidence from program evaluations and a randomized trial in the Philippines suggests that up to around 9% of preschool children may experience acute transient side-effects including nausea, vomiting, headache, and/or fever after dosing. Most episodes begin within 24 h of capsule receipt and resolve spontaneously within 12-24 h of onset.

Earlier animal experiments linked high doses of vitamin A to birth defects; however, experimental data proving the teratogenic effect of vitamin A in pregnant women are limited and, for ethical reasons, very difficult or even impossible to obtain rigorously. Nonetheless, high doses of vitamin A should be avoided during pregnancy because of the theoretical risk of teratogenesis.

101 Power Tips For Preventing and Treating Headaches

101 Power Tips For Preventing and Treating Headaches

Are you fed up with your frequent headache pain? 101 Simple Ways to Attack Your Headache BEFORE the Pain Starts Guaranteed No Pain, No Fear, Full Control Normal Life Again Headaches can stop you from doing all the things you love. Seeing friends, playing with the kids... even trying to watch your favorite television shows.

Get My Free Ebook

Post a comment