A nurse is teaching a client who has a severe urinary tract infection (UTI) and is taking ciprofloxacin. Which of the following information about adverse reactions should the nurse include? (Select All That Apply.)

A. Incorrect: Excessive nighttime sweating is not an adverse effect of ciprofloxacin. B. Correct: Ciprofloxacin can cause tendonitis and Achilles tendon rupture, especially in older adults. C. Incorrect: Sedation is not a known side effect of ciprofloxacin. D. Correct: Ciprofloxacin can cause superinfections, such as fungal overgrowth, leading to yeast infections (characterized by white, cottage cheese-like lesions in the genital area).