Abstract
Summary
1. Antihistaminic drugs can affect the rate of in vivo propulsive intestinal motility as measured by observing the time between ingestion of carmine and its appearance in the feces. In comparable small doses Thephorin and Benadryl stimulate intestinal motility. 2. In larger doses, Antistine and Benadryl produce inhibition. This then shows a reversal in effect by Benadryl dependent on size of dose.
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