Caffeine is often combined with aspirin because caffeine potentiates the analgesic effect of aspirin and other analgesics.

Question

Quizplus · Accepted Answer

The addition of 130 mg of caffeine is equivalent to increasing the dose of the analgesic by one third or more.The caffeine in most proprietary aspirin preparations is at an active level for a single dose.Most proprietary aspirin preparations contain caffeine,and caffeine does significantly potentiate the analgesic effect of aspirin and other analgesics.

Caffeine Is Often Combined with Aspirin Because Caffeine Potentiates the Analgesic