Lithium non-steroidal anti-inflammatory

Lithium + non-steroidal anti-inflammatory drugs —> decreased lithium clearance and raised plasma lithium concentration thereby enhancing toxicity. 

Ragheb M. The clinical significance of lithium-non-steroidal anti-inflammatory drug iuteractious. J Chu Psychopharmacol 1990 10(5) 350-4. 

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