Possible Role of Laxatives in Analgesic Nephropathy

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Abstract
Eight out of ten of patients with analgesic nephropathy were regular and usually heavy laxative takers compared with 12 out of 200 controls from the general population and four out of 70 patients attending a renal clinic. The finding that regular laxative taking was greatly increased in patients with analgesic nephropathy suggests that this condition may often be due to the combined abuse of both laxatives and analgesics. In a series of 40 patients with rheumatoid arthritis all were found to have normal renal function and no patient took laxatives regularly. This finding would explain why analgesic nephropathy is so uncommon in patients with rheumatoid arthritis despite the fact that they are regular and heavy analgesic takers.