Product Information

Registration Status: Active

TETRACYCLINE MC CAPSULE 250mg is approved to be sold in Singapore with effective from 1988-10-05. It is marketed by MEDOCHEMIE SINGAPORE PTE LTD, with the registration number of SIN00969P.

This product contains Tetracycline 250mg in the form of CAPSULE. It is approved for ORAL use.

This product is manufactured by MEDOCHEMIE LTD - FACTORY AZ in CYPRUS.

It is a Prescription Only Medicine that can only be obtained from a doctor or a dentist, or a pharmacist with a prescription from a Singapore-registered doctor or dentist.



A tetracycline with a 7-chloro substitution.


For the treatment of infections and to treat acne. It may also be used to treat urinary tract infections, gum disease, and other bacterial infections such as gonorrhea and chlamydia. Lymecycline is also used commonly as a prophylactic treatment for infection by Bacillus anthracis (anthrax). It is also effective against Yersinia pestis and malaria and is also prescribed for the treatment of Lyme disease.

Mechanism of Action

Lymecycline inhibits cell growth by inhibiting translation. It binds to the 30S ribosomal subunit and prevents the amino-acyl tRNA from binding to the A site of the ribosome. The binding is reversible in nature. Lymecycline is lipophilic and can easily pass through the cell membrane or passively diffuses through porin channels in the bacterial membrane. Cells become resistant to lymecycline by at least two mechanisms: efflux and ribosomal protection. In efflux, a resistance gene encodes a membrane protein that actively pumps lymecycline out of the cell. This is the mechanism of action of the tetracycline resistance gene on the artificial plasmid pBR322. In ribosomal protection, a resistance gene encodes a protein which binds to the ribosome and prevents lymecycline from acting on the ribosome.


Absorption is fast and efficient. Bioavailability is 100% following oral administration.


Adverse effects include nausea, vomiting, diarrhoea, glossitis, enterocolitis, dysphagia, dermatitis, hypersensitivity reactions, proctitis, and vaginitis.

Active Ingredient/Synonyms

(+)-N-(5-Amino-5-carboxypentylaminomethyl)-4-dimethylamino-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxonaphthacene-2-carboxamide | Limeciclina | Lymecyclinum | N-Lysinomethyltetracycline | N2-(((+)-5-Amino-5-carboxypentylamino)methyl)tetracycline | N6-((4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamido)methyl)lysine | Tetracycline-L-methylene lysine | Tetracycline-L-methylenelysine | Lymecycline |

Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.


  1. Health Science Authority of Singapore - Reclassified POM
  2. Drugbank