All of the Following Are Counseling Points for Allopurinol, EXCEPT

All of the following are counseling points for allopurinol, EXCEPT:

A) CBC, LFTs, uric acid levels, and renal function tests should be ordered periodically to monitor for effectiveness and adverse effects.
B) Avoid large amounts of vitamin C as it may acidify urine, thus increasing the chance of kidney stone formation.
C) Allopurinol may increase sensitivity to sunlight. Therefore, recommend patients to wear dark glasses, protective clothing, use sunblock, and avoid direct exposure to sunlight.
D) Take allopurinol with food to minimize GI upset.