S15C199 - Vitamins and Herbals

Question 1

Symptoms of hypervitaminosis A

Answer 1

• blurred vision
• appetite loss
• abnormal skin pigmentation
• loss of hiar
• dry skin
• pruritus
• increased bone #
• pseudotumor cerebri
• hepatic failure

Question 2

Symptoms of vitamin D toxicity

Answer 2

• due to hypercalcemia

- anorexia, nausea, abdo pian, lethargy, weight loss, polyuria, constipation, confusion, coma

Question 3

Symptoms of Vitamin E toxicity

Answer 3

-nausea, fatigue, h/a, weakness, blurred vision

Question 4

Vit B1 (thiamine) toxicity

Answer 4

-none observed, even in large doses

Question 5

Vit B2 (riboflavin) toxicity

Answer 5

none

Question 6

Vit B3 (niacin toxicity)

Answer 6

• acute: flush, red, burning, itching face, neck, chest, HoTN
• chronic: abnormal liver fxn, impaired GTT, hyeruriciemia, dry skin, discolouration

Question 7

Vit B12 toxicity

Answer 7

none

Question 8

Folate

Answer 8

none

Question 9

Vit C toxicity

Answer 9

-gout, nephrolithiasis, intrarenal deposition of oxalate crystals with renal failure, large doses produce diarrhea and abdo cramps