The Royal Pharmaceutical Society of Great Britain has welcomed a move by the Medicines and Healthcare Products Regulatory Agency to reclassify azithromycin - an antibiotic used to treat chlamydia - as an over-the-counter drug.

It is the first time the agency has licensed an antibiotic for sale without a prescription. The Royal Pharmaceutical Society said the move would help improve access to chlamydia treatment.

For more details, go to www.mhra.gov.uk