Thai Airways Royal Orchid Plus - Quick help: Place to buy nasal decongestant spray at BKK airport?

Well, here's an exciting topic: Does anyone know if there is a pharmacy or store selling sundry items at the airport that carries nasal decongestant spray? And if so, where is it located? I'm flying internationally today.

Thanks for any help.

Level 4
This is the floor for departures, both domestic and international. Looking at the airport from the front, domestic departures are on the left-hand side and international on the right-hand side. There are a number of banks offering exchange and ATM facilities. There is also a Boots pharmacy, a Family Mart shop and a book store. Arriving at the airport by taxi, you will be dropped off at Level 4.

Boots sells nasal decongestant spray. There is a boots just above the F lounge. If you go up the elevator and turn back on yourself it will be about 30m ahead of you ^

Bought some paracetamol at the Boots in the airport a few days ago. You could sniff champagne and let the bubbles clear your nose (not in public please).