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CHLORAMPHENICOL (Chloromycetin®, Kemicetine®…)
Prescription under medical supervision
Indications
– Antibacterial
Dosage
– Typhoid fever, plague, rickettsial infections – Parenteral to oral switch therapy (meningitis, severe pneumonia, etc.) – 250 mg capsule – Powder for oral suspension, 125 mg/5 ml – Child from 2 months to 1 year: 50 mg/kg/day in 3 to 4 divided doses – Child over 1 year: 50 mg/kg/day in 3 to 4 divided doses; 100 mg/kg/day in severe infection – Adult: 3 to 4 g/day in 3 to 4 divided doses
Contra-indications, adverse effects, precautions
– Typhoid fever: 10 to 14 days; plague: 10 days; rickettsiosis: continue for 48 hours after the resolution of fever; pneumonia: 5 to 10 days
Remarks
– Do not administer to premature infants; avoid in newborns and children under 2 months of age (if there is no alternative, dosage is 25 mg/kg/day in 3 divided doses). – Do not administer to patients with a history of previous allergic and/or toxic reaction to chloramphenicol, G6PD deficiency. – Reduce dosage in patients with hepatic or renal impairment.
– May cause:
• gastrointestinal disorders, • allergic reactions, dose-related and reversible marrow depression (anaemia, leucopenia, thrombocytopenia): if so, stop treatment, • grey syndrome in premature infants and neonates (vomiting, hypothermia, blue-grey skin colour and cardiovascular depression), irreversible aplastic anaemia.
– Pregnancy: CONTRA-INDICATED, except if vital, if there is no therapeutic alternative. If used during the 3rd trimester, risk of grey syndrome in the newborn infant.
– Breast-feeding: CONTRA-INDICATED – Due to its potential haematotoxicity, the use of chloramphenicol should be restricted to severe infections when other less toxic antibiotics are not effective or are contra-indicated. – Oral treatment is more effective than parenteral treatment: blood and tissue concentrations are higher when chloramphenicol is given orally.
– Storage: below 30°C –
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