A 23-year-old woman’s condition has improved after a suspected drug overdose at a Sydney music festival.

The woman was rushed to St Vincent’s Hospital in a critical condition on Friday night after collapsing at the Field Day festival in Sydney’s CBD.

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A hospital spokeswoman said the woman’s condition had stabilised on Saturday afternoon.

More than 200 people received medical treatment at the dance festival on New Year’s Day, with five revellers hospitalised.

Police charged almost 200 people with drug offences, including eight for drug supply.

It’s alleged a 26-year-old woman was found with 100 ecstasy (MDMA) capsules, while a 19-year-old man was found with 81 ecstasy capsules.

Both were charged with supplying drugs and were granted conditional bail to appear at Downing Centre Local Court on January 28.

Chief Inspector Stuart Bell said the number of arrests showed some people still thought they could get away with possessing and supplying drugs.

“People continue to come to these events and take drugs, and we will continue to police these drugs and we’ll hopefully detect you and arrest you,” he told reporters in Sydney on Saturday.

“We make no apologies for finding people who supply and possess drugs, and putting them before the courts.”

Insp Bell said people needed to take responsibility for their actions.

“You never actually know what’s going to be in a pill and therefore, you always take the risk of overdosing,” he said.

“This is the best course of action police take to prevent people taking drugs into the festivals.” At last year’s festival, 214 people were arrested for drug-related offences.

A St Vincent’s Hospital spokeswoman said it was “a very busy night” at the emergency department.