Cysteine
- Atc Codes:V06DD
- CAS Codes:7048-04-6#52-89-1#52-90-4
- PHARMGKB ID:7048-04-6#52-89-1#52-90-4
Table of contents
- Brand Names
- Drug Combinations
- Chemistry
- Pharmacologic Category
- Mechanism of Action
- Therapeutic Use
- Contraindications
- Warnings and Precautions
- Adverse Reactions
- Genes that may be involved
- Dosage
- Special Considerations
Brand Names
North America
USA: Cysteine.
Latin America
Argentina: Cisteína; Mexico: Fixcanat.
Asia
Japan: Ecolan, Hythiol.
Drug combinations
Cysteine: Acetyltyrosin; Alanine; Amylase; Bacitracin, Calcium Lactate; Copper; Cyanocobalamin (Vitamin B~12~); Folic Acid (Vitamin B~9~); Glutamic Acid; Glycine; Isoleucine; L-Arginine; L-Histidine; L-Leucine; L-Lysine; L-Proline; L-Tryptophan; L-Valine; Magnesium Oxide; Methionine; Neomycin, Niacinamide; Pancrelipase; Pantothenic Acid (Vitamin B~5~); Papain; Phenylalanine; Pyridoxine (Vitamin B~6~); Retinol (Vitamin A); Riboflavin (Vitamin B~2~); Serine; Soybean Oil; Taurine; Thiamine (Vitamin B~1~); Threonine; Tyrosine
Chemistry
Cysteine Hydrochloride: C~3~H~7~NO~2~S HCl H~2~O. Mw: 175.63. L-Cysteine hydrochloride monohydrate. CAS-7048-04-6; CAS-52-89-1 (anhydrous); CAS-52-90-4 (cysteine).
Pharmacologic Category
Nutritional Supplement. (ATC-Code: V06DD).
Mechanism of action
Cysteine is an amino acid containing sulfur and synthesized from methionine. It is a precursor of glutathione and taurine. Cysteine is an essential amino acid in infants.
Therapeutic use
Supplement to crystalline amino acid solutions.
Pregnancy and lactiation implications
Unlabeled use
Contraindications
Hypersensitivity to cysteine or any component of the formulation. Hepatic coma or metabolic disorders involving impaired nitrogen utilization.
Warnings and precautions
Use with caution in hepatic/renal impairment. Metabolic acidosis related to the «hydrochloride» component of cysteine has occurred in infants.