Vitamin A

Question 1

35F + started taking high-dose vitamins past few months as part of new dietary regimen + has cracked lips, rough/dry skin, and alopecia on scalp; these findings are due to

Answer 1

excess of vitamin A

Question 2

excess of vitamin A causes

Answer 2

desquamation,
increased hepatic transaminases,
dyslipidemia,
pseudotumor cerebri (increased intracranial pressure), teratogenic (must do pregnancy test before commencing isotretinoin for acne)

Question 3

Vitamin A deficiency can present with

Answer 3

Conjunctival plaques (Bitot spots)
Dry eyes
Night blindness
Corneal scarring