I would like to find that wholesale pharmacy. Pradiphat Road is off Phahonyothin Road, not Huay Khwang. Around Pradiphat, I can only find small pharmacies. Do you know the name of the place?
The UK had pub licensing laws that were introduced during WWI to stop armaments workers from getting hangovers. Those laws were in place for well over half a century, and it was always embarrassing explaining to foreign visitors that in London pubs all closed at 11pm; 10:30 on weekdays.
In Bangkok, is there a place you can stay privately to recover from an operation after the hospital releases you? Like a sort of hotel but with medical staff on hand?