Chloramphenicol Ear drops

Indications

Chloramphenicol Ear drops is used for: Bacterial Ear infections

Adult Dose

Otic/Aural Otitis externa Adult: Instill 2-3 drops into the ear bid-tid. Hepatic impairment: Dose reduction may be required.

Child Dose

Renal Dose

Renal impairment: Dose reduction may be required.

Administration

Contra Indications

History of hypersensitivity to the drug; Perforated ear drum. Herpes simplex and other virul conditions of the ear, mycosis.

Precautions

Avoid prolonged use. Discontinue immediately if local hypersensitivity reactions occur.

Pregnancy-Lactation

Interactions

Decreased effects of iron and vitamin B12 in anaemic patients. Phenobarbitone and rifampin reduce efficacy of chloramphenicol. Impairs the action of oral contraceptives. Potentially Fatal: Increases the effect of oral anticoagulants, oral hypoglycaemic agents, phenytoin. Avoid concomitant administration with drugs that depress bone marrow function.

Adverse Effects

Side effects of Chloramphenicol Ear drops : Ear drops: Ototoxicity.

Mechanism of Action

Chloramphenicol inhibits bacterial protein synthesis by binding to 50s subunit of the bacterial ribosome, thus preventing peptide bond formation by peptidyl transferase. It has both bacteriostatic and bactericidal action against H. influenzae, N. meningitidis and S. pneumoniae.