Clerk Sirikan Wisuthphate, 25, was arrested at Smike with eight packs of Kamagra, nine packets of Viagra and four boxes of Super Viagra.
Pisolya Ngaopok, 30, was taken into custody at S.J. and Ouemporn Khwanmuang, 34, at Sonya.
Police said all three confessed to the charges.
Clerks Sirikan Wisuthphate, Pisolya Ngaopok, and Ouemporn Khwanmuang are being booked for allegedly selling erectile dysfunction drugs illegally.