The leaflets in this section are authored by an experienced pharmacist. Pharmacists are experts in medicines. The medicines in this section include those which act on the kidney and bladder. They include diuretics (which makes you pass urine), treatment for cystitis and treatments for people who have to get up at night to pee. If you've ever thought "Who shouldn't take potassium citrate?", "How do I take my desmopressin?", "How do I get the most from my sevelamer treatment?" or "What problems can chlortalidone cause?" information leaflets in this section will have answers for you.