Vitamin B3 (Niacin) Flashcards
1
Q
Purpose
A
acts as a coenzyme in oxidation-reduction reactions necessary for cell metabolism; decreases production of VLDL occurs in doses higher than vitamin doses; raises HDL although no effect seen in mortality
2
Q
deficiency
A
pellagra
3
Q
pregnancy category
A
A in RDA doses; C in high doses
4
Q
adverse effects
A
intense flushing and hot flashes, nausea, diarrhea, excess gas, paresthesias, increased blood sugars
5
Q
severe adverse effects
A
hepatotoxicity
gout
6
Q
considerations
A
additive effects w/ other drugs; diabetes, liver disease, gout
instruct patients not to self-medicate
patient teaching about side effects
medication history
