Oxomemazine/guaifenesin

Oxomemazine/guaifenesin

Combination of
Oxomemazine	H1 receptor antagonist (antihistamine)
Guaifenesin	expectorant
Clinical data
Trade names	Toplexil and others
Routes of administration	Oral
Identifiers
ATC code	none

Oxomemazine/guaifenesin is a sedative antihistamine plus expectorant. It is a combination of oxomemazine and guaifenesin.

It is sold under a variety of brand names including Toplexil by Aventis. It is sold over the counter in France, Egypt, Algeria, South Korea and the UAE. The oxomemazine ingredient (antihistamine) is not approved by the U.S. Food and Drug Administration (FDA), either for over the counter or prescription use. French travelers use it as a sleeping aid for long flights.