Final answer:
Medications used to treat overactive bladder and enuresis do not worsen the condition.
Step-by-step explanation:
Of the given options, c) They worsen the condition is NOT true of medications used to treat overactive bladder and enuresis. Medications used for these conditions, such as anticholinergics, work by blocking the effect of acetylcholine in the bladder, which helps relax the bladder muscle and reduce urinary urgency and frequency. They do not worsen the condition.