A client receives a prescription for allopurinol. Which information provided by the client requires additional reinforcement of instruction by the practical nurse (PN)?

A. Double the dose if a dose is missed: Never double doses to make up for missed ones; increases risk of toxicity. B. Reduce caffeine and acidic intake: Caffeine and acidic foods can worsen gout symptoms. C. Avoid taking on an empty stomach: Taking with food helps minimize GI upset. D. Consume 68 fl oz (2 L) of water daily: Hydration helps prevent uric acid stone formation.