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Thiazides Nonsteroidal anti-inflammatory drugs

Renal clearance of lithium is reduced about 25% by diuretics (eg, thiazides), and doses may need to be reduced by a similar amount. A similar reduction in lithium clearance has been noted with several of the newer nonsteroidal anti-inflammatory drugs that block synthesis of prostaglandins. This interaction has not been reported for either aspirin or acetaminophen. All neuroleptics tested to date, with the possible exception of clozapine and the newer atypical antipsychotics, may produce more severe extrapyramidal syndromes when combined with lithium. [Pg.640]

Drugs that may affect nateglinide include nonsteroidal anti-inflammatory agents (NSAIDs), salicylates, monoamine oxidase inhibitors, rifamycins, MAOIs, and nonselective beta-adrenergic blocking agents, thiazides, corticosteroids, thyroid products, and sympathomimetics. [Pg.284]

Interactions. Several types of drug interfere with lithium excretion by the renal tubules, causing the plasma concentration to rise. These include diuretics (thiazides more than loop type), ACE inhibitors and angiotensin-11 antagonists, and nonsteroidal anti-inflammatory analgesics. Theophylline and sodium-containing antacids reduce plasma lithium concentration. The effects can be important because lithium has such a low therapeutic ratio. Diltiazem, verapamil, carbamazepine and pheny-toin may cause neurotoxicity without affecting the plasma lithium. Concomitant use of thioridazine should be avoided as ventricular arrhythmias may result. [Pg.391]

Most of the renal tubular reabsorption ofU occurs in the proximal tubule. Nevertheless, Id retention can be increased by any diuretic that leads to depletion of Na, particularly the thiazides (see Chapter 28). Renal excretion can be increased by administration of osmotic diuretics, aceta-zolamide or aminophylline, and triamterene. Spironolactone does not increase the excretion of LiL Some nonsteroidal anti-inflammatory agents can facilitate renal proximal tubular resorption of Id and thereby increase concentrations in plasma to toxic levels. This interaction appears to be particularly prominent with indomethacin, but also may occur with ibuprofen, naproxen, and COX-2 inhibitors, and possibly less so with sulindac and aspirin. A potential drug interaction can occur with angiotensin-converting enzyme inhibitors, causing lithium retention (see Chapter 29). [Pg.315]


See other pages where Thiazides Nonsteroidal anti-inflammatory drugs is mentioned: [Pg.597]    [Pg.145]    [Pg.52]    [Pg.609]    [Pg.1279]    [Pg.1747]    [Pg.30]    [Pg.173]    [Pg.874]    [Pg.266]   


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