Watsons Pharmacy is another popular chain of pharmacies in Bangkok that operates 24 hours a day. They offer a wide range of prescription and over-the-counter medications, as well as health and beauty products. The staff is friendly and can assist you with any questions you may have about your medication. The prices are competitive and the service is fast and efficient. You can find Watsons Pharmacy in many locations throughout Bangkok, including shopping malls and major tourist areas.