PROMETHAZINE
Brand Name & Strength
Promethazine HCl-Fresenius 50 mg/2 ml Injection
Reconstitution
Not required
Further Dilution
Slow IV &
IV infusion
Not required or dilute 50 mg (2 ml) in 18 ml NS (Concentration: 2.5 mg/ml)
Diluent
WFI, D5, D10, NS
Administration & Infusion rate
IM
Slow IV
IV infusion
Final concentration should not be more than 25 mg/ml (usual concentration: 2.5mg/ml)
Administer over 10 – 15 min (max rate: 25 mg/min)
Storage & Stability
RT
(<25 oC)
Fridge
(2 – 8 oC)
After Reconstitution
-
-
After dilution
Use immediately
-
Remarks
Not for subcutaneous use (Promethazine is a chemical irritant)
Drug may form precipitate with Heparin, flush heparinised infusion set with sterile WFI or NS solution
before and after administration
IV administration is not the preferred route; severe tissue damage may occur. Ensure proper needle or
catheter placement prior to and during administration.