Below is a list of pharmacies in the Old Quarter along with their opening hours:
Nha thuoc Pharmacity: 21 P. Lan Ong, Hoan Kiem, Hanoi – Open in Google map
Time: 24/7
Nha thuoc 24h: 6 Hang Bong, Hoan Kiem, Hanoi – Open in Google map
Time: 24/7
Long Chau: 93 Hang Ma, Hoan Kiem, Hanoi – Open in Google map
Time: 8:00 – 22:00
Or anywhere in Vietnam, just type “Nha thuoc” into Google search, and you’ll find the nearest pharmacy to you.