c) 20 mg bilastine tablet
20 mg bilastine tablet
Bilastine is a new antihistamine (registered 2015) (Labixten®)
Different antihistamines have different classifications. Many of the common oral antihistamines have P1 status, antihistamines in external preparations (not more than 1%) have NP status.
There are currently seven antihistamines which have S3 status.
All S3 drugs are also on the S1 list.
The answer is P1S1S3