Cystine 250 Mg 40 Tablets
L-cystine, in the form of cysteine, is a fundamental molecule in the structure of keratin, an abundant protein in the skin, hair and nails.
L-cystine, in the form of cysteine, is a fundamental molecule in the structure of keratin, an abundant protein in the skin, hair and nails.
Cystine 250 Mg 40 Tablets
L-cystine
ACTION AND MECHANISM
L-cystine, in the form of cysteine, is a fundamental molecule in the structure of keratin, an abundant protein in the skin, hair and nails. The sulfur supplied by l-cystine, through its SS bridges, has a clear role in the quality of keratin. The deficiency of l-cystine can lead to deterioration and loss of hair and loss of resistance and elasticity of the nails.
INDICATIONS
- Treatment of cystine deficiency (constituent of keratin), which could manifest itself with [ALOPECIA] and / or fragility of the nails [ONYCHODYSTROPHY], caused by unbalanced or restrictive diets (weight loss, vegetarian, etc.), in adults and adolescents over 14 years old.
POSOLOGY
- Adults and children over 14 years of age, orally: 1000-1500 mg / day, divided into the 3 main meals.
- Children under 14 years of age: Safety and efficacy have not been established.
If symptoms worsen or persist after 15-30 days of treatment, the clinical situation should be reassessed.
RULES FOR CORRECT ADMINISTRATION
- Orally. Ingest during meals with a sufficient amount of water.
CONTRAINDICATIONS
- Hypersensitivity to the active principle.
- Patients with [CYSTINOSIS].
WARNINGS ON EXCIPIENTS:
- This medicine contains sucrose. Patients with hereditary [FRUCTOSE INTOLERANCE], glucose or galactose malabsorption, or sucrase-isomaltase insufficiency should not take this medicine.
PRECAUTIONS
- [CHRONIC CYSTINURIA]: Caution is required in case of disorders in the absorption or elimination of cystine (eg, cystinuria).
PREGNANCY
There are no adequate studies in pregnant women. It is known that there is a mother-child transfer. It is advised not to administer this medicine during pregnancy.
LACTATION
It is unknown whether L-cystine is excreted in human milk. As a precautionary measure, it is preferable to avoid the use of cystine in lactating women.
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