Barbiturates + Promethazine Hydrochloride Interaction

Majorinteraction on record

Description

Promethazine increases sedative action; dose of barbiturates should be reduced by at least one-half.

Mechanism

CNS depression potentiation

Source: NLP:promethazine hydrochloride

Related drug profiles

All Barbiturates interactions →All Promethazine Hydrochloride interactions →
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