Promethazine is a neuroleptic medication and first-generation antihistamine of the phenothiazine family. The drug has strong sedative and weak antipsychotic effects. It also reduces motion sickness and has antiemetic and anticholinergic properties. In some countries it is prescribed for insomnia when benzodiazepines are contraindicated. It is available in many countries under the brand names Phenergan, Promethegan, Romergan, Fargan, Farganesse, Prothiazine, Avomine, Atosil, Receptozine, Lergigan.purchase promethazine and codeine.buy promethazine codeine syrup actavis.buy actavis promethazine codeine syrup.buy promethazine codeine cough syrup uk.buy phenergan liquid