PHUKET: Public health officials are investigating a Patong pharmacy suspected of selling cough syrup to Phuket teenagers for the purpose of making the illegal 4x100 narcotic cocktail.

Cough syrup is a key ingredient of the cocktail, which includes kratom leaves.

“After receiving worrying reports concerning the Chanulak Pharmacy, I contacted Phuket Public Health Office [PPHO] to inspect the outlet,” Kathu District Chief Veera Kerdsirimongkol said.

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