These formulations are available in many dosage forms, such as liquids, tablets, and rectal suppositories. Although laxatives are usually a safe option as an over-the-counter treatment of constipation ...
The capsule can be swallowed intact or opened and sprinkled on soft foods. A rectal suppository is also available. [36] The nonenteric oral preparations are rapidly absorbed from the stomach after ...
Absorption of promethazine from the rectal suppositories resulted in a mean 16% lower bioavailability compared with the 50-mg oral syrup. The syrup also resulted in an earlier and higher C max and ...