Mesoridazine; Thioridazine
2.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
8 days Ambient (Preferred)
8 days Refrigerated
1 year Frozen
Do not collect in a Serum Separator Tube (SST or PST)
Mesoridazine
Trough: 100 - 1400 ng/mL
Reporting Limit: 100 ng/mL
Thioridazine
Trough: 140 - 2400 ng/mL
Reporting Limit: 100 ng/mL.
Mesoridazine: 1500 ng/mL or more
Thioridazine: 2400 ng/mL or more
Steady-state serum concentration during chronic oral administration of 400 mg daily is 140-2600 ng/mL.
Therapeutic steady-state concentrations may overlap levels associated with toxicity.
Toxicity may be present at concentrations which overlap with therapeutic levels observed with high dose therapy.
6 to 10 days
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