1. Promethazine , and subsequently chlorpromazine, were derived from fenethazine.2. Commonly used anti-emetics include ondansetron, metoclopramide, prochlorperazine, and promethazine . 3. Brand named as Phenergan with Codeine or in generic form as promethazine with codeine. 4. In 2009, the US Supreme Court ruled on a product liability case involving promethazine . 5. It is structurally analogous to promethazine . 6. The version of Robitussin AC with promethazine is usually flavored peach-mint or grape / menthol. 7. Magnesium sulfate results in better outcomes than diazepam, phenytoin or a combination of chlorpromazine, promethazine and pethidine. 8. In Canada, promethazine is available as an over the counter anti-histamine by the name of Histantil. 9. Codeine is also available in conjunction with the anti-nausea medication promethazine in the form of a syrup. 10. Robitussin AC has a 3.5 % alcohol content, and the versions with promethazine have 7 % alcohol.
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