Lefno

Lefno Overdosage

leflunomide

Manufacturer:

Kusum

Distributor:

JDS
Full Prescribing Info
Overdosage
Symptoms: There have been reports of chronic overdose in patients taking leflunomide at daily doses up to five times the recommended daily dose, and reports of acute overdose in adults and children. There were no adverse events reported in the majority of case reports of overdose. Adverse events consistent with the safety profile for leflunomide were: abdominal pain, nausea, diarrhea, elevated liver enzymes, anaemia, leucopenia, pruritus and rash.
Management: In the event of an overdose or toxicity, colestyramine or charcoal is recommended to accelerate elimination. Colestyramine given orally at a dose of 8 g three times a day for 24 hours to three healthy volunteers decreased plasma levels of A771726 by approximately 40% in 24 hours and by 49% to 65% in 48 hours. Administration of activated charcoal (powder made into a suspension) orally via nasogastric tube (50 g every 6 hours for 24 hours) has been shown to reduce plasma concentrations of the active metabolite A771726 by 37% in 24 hours by 48% in 48 hours. These washout procedures may be repeated if clinically necessary.
Studies with both hemodialysis and CAPD (chronic ambulatory peritoneal dialysis) indicate that A771726, the primary metabolite of leflunomide is not dialyzable.
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