Has anyone had problems on mepergan fortis (meperidine and promethazine)?

Yes. This drug is rarely prescribed as it has multiple serious side effects. The worst are the strong euphoria is produces in susceptible people. In addition, in high enough doses, it causes seizures.

Related Questions

Is it possible to be on mepergan fortis (meperidine and promethazine)?

Mepergan fortis. Meperidine is a narcotic painkiller and promethazine is an anti-nausea medication. Mepergan fortis can cause side effects that may impair your thinking or reactions. It also has many drug interactions and can't be mixed with alcohol. This medication is very addictive and should be used only by the person it was prescribed for. Read more...