THIOPENTAL SODIUM
Brand Name & Strength
Pentotex 0.5 g Injection
Reconstitution
Reconstitute with diluent
Further Dilution
IV infusion
Dilute with diluent to a final concentration of 0.2 – 0.4 %. Do not use WFI for these concentration, as
hemolysis will occur
Diluent
NS, D5
Calculation
Slow IV
IV infusion
WFI
10 – 20 ml
-
NS or D5
-
125 – 250 ml
Concentration
25 – 50 mg/ml
2 – 4 mg/ml
Concentration
2.5 % - 5 %
0.2 % - 0.4 %
Administration & Infusion rate
Slow IV
Administer over 20 – 30 sec
IV infusion
Administer using infusion pump
Rectal
May be given rectally as solution for basal anaesthesia in a dose of up to 44 mg/kg; a dose of 30 mg/kg
has been suggested for pre-anaesthetic sedation.
Storage & Stability
RT
(<25 oC)
Fridge
(2 – 8 oC)
After Reconstitution
Use immediately
24 hr
After dilution
Use immediately
-
Remarks
Do not mix with solutions of succinylcholine, tubocurarine, or other drugs with acidic pH
It is advisable to inject a small test dose of 25 – 75 mg (1 – 3 ml of a 2.5% solution) to assess tolerance
or unusual sensitivity