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Test and Tubes Database
ID:551 Nortriptyline/Amitriptyline
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DescriptionNortriptyline is the N-methylated metabolite of amitriptyline. Both are tricyclic antidepressants with mild tranquilising action. They inhibit catecholamine reuptake.
IndicationInvestigation into toxicity
Additional Info
Concurrent Testsna
Dietary Requirementsna

InterpretationAmitriptyline half-life 10-28 hr. Nortriptyline half-life 18-60 hr.

Ref. Range (Male)5 - 150
Ref. Range (Female)5 -150
Ref. Range (Paed)
Ref. Range Notes30-150
Unitsug/L


IP Acute TAT1 week
IP Routine TAT1 week
GP Acute TAT1 week
GP Routine TAT1 week
Turnround CommentRobert Haddon:HutchingsAD@cardiff.ac.uk
Originally edited by : . Last edited on 17/10/2017. Published By on 17/10/2017.