Routes of Drug Administration

potent and fast acting Irritants: Ricinoleic acid (Castor Oil) Anthraquinones. Diphenolmethanes. Bisacodyl. Sodium picosulfate Castor oil converted to ricinoleic acid. works in the small intestine. Works in the large intestine Laxative Abuse Longer interval needed to refill colon, most common cause of constipation ................
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