What is a contraindication to taking a thiazide diuretic?

A. Asthma: Thiazide diuretics do not affect bronchial smooth muscle or airway reactivity. They are not associated with bronchospasm or respiratory compromise. Asthma does not limit the use of this medication class. B. Hypertension: Thiazide diuretics are commonly prescribed as first-line therapy for hypertension. They reduce blood pressure by promoting sodium and water excretion. Hypertension is a primary indication rather than a contraindication. C. Caffeine use: Caffeine has mild diuretic properties but does not interact in a clinically significant way with thiazide diuretics. Concurrent use does not pose a safety concern. Dietary caffeine intake does not restrict thiazide therapy. D. Anuria: Thiazide diuretics require adequate renal function to exert their diuretic effect. In anuria, there is no urine production, making the medication ineffective and potentially harmful. Use in this condition can worsen electrolyte imbalance and renal injury.