Go to any chemist shop in BKK and ask for Kamagra. Kamagra is a gel made in India. I have bought a few while in Thailand- works just as well as Viagra. Can buy it without a prescription for $1 per sachet. I even bought back a box of 50 for a friend. I saw a general shop selling Kamagra in MBK Shopping Centre.

Enjoy!!!

M.A,