OTCSyrup
Mucolytic and Antihistamine combination (cough and catarrh medicine)
Rhinathiol Promethazine Syrup
Brand of Carbocisteine; Promethazine Hydrochloride
Last reviewed April 2026
Rhinathiol Promethazine Syrup is a brand name for Carbocisteine; Promethazine Hydrochloride (Syrup), sold in Nigerian pharmacies.
Brand Names
Names this drug is sold under — especially in Nigerian and West African pharmacies
Counterfeit Drug Warning
Fake drugs are a serious problem in Nigeria. Always buy from a registered pharmacy. If the packaging looks different from what is described above, do not use it.