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L-cysteine Hcl Injection Generic Name & Formulations
Legal Class
Rx
General Description
L-Cysteine HCl 50mg/mL; soln for IV infusion after dilution; contains aluminum, sulfur; preservative-free.
Pharmacological Class
Amino acid.
How Supplied
Single-dose vials (10mL)—10
Manufacturer
L-cysteine Hcl Injection Indications
Indications
An additive to crystalline amino acid injections to meet essential nutritional requirements for infants given TPNs.
L-cysteine Hcl Injection Dosage and Administration
Adult
Not applicable.
Children
See literature. Rotate inj site. Give by central venous infusion. Add 0.5g L-Cysteine with 12.5g crystalline amino acid injection; dilute as indicated.
L-cysteine Hcl Injection Contraindications
Contraindications
Hepatic coma. Metabolic disorders (eg, impaired nitrogen utilization).
L-cysteine Hcl Injection Boxed Warnings
Not Applicable
L-cysteine Hcl Injection Warnings/Precautions
Warnings/Precautions
Hepatic, renal, pulmonary, or cardiac insufficiency. Hyperkalemia. Metabolic or respiratory alkalosis. Monitor hepatic and renal function; discontinue if BUN levels exceed normal postprandial limits and continue to rise. Monitor blood (eg, CBC, ammonia, glucose, electrolytes, cholesterol, acid-base balance, serum proteins, osmolarity), urine osmolarity and glucose during therapy. Premature neonates. Pregnancy.
L-cysteine Hcl Injection Pharmacokinetics
See Literature
L-cysteine Hcl Injection Interactions
Interactions
Concomitant tetracycline reduces nitrogen sparing effects.
L-cysteine Hcl Injection Adverse Reactions
Adverse Reactions
Local reactions (eg, warm sensation, erythema, phlebitis, thrombosis), flushing, fever, nausea.
L-cysteine Hcl Injection Clinical Trials
See Literature
L-cysteine Hcl Injection Note
Not Applicable
L-cysteine Hcl Injection Patient Counseling
See Literature
