Dicyclomine¿¡ ´ëÇÑ Mechanism_Of_Action Á¤º¸ Action is achieved via a dual mechanism: (1) a specific anticholinergic effect (antimuscarinic) at the acetylcholine-receptor sites and (2) a direct effect upon smooth muscle (musculotropic). Papaverine¿¡ ´ëÇÑ Mechanism_Of_Action Á¤º¸ Perhaps by its direct vasodilating action on cerebral blood vessels, Papaverine increases cerebral blood flow and decreases cerebral vascular resistance in normal subjects; oxygen consumption is unaltered. These effects may explain the benefit reported from the drug in cerebral vascular encephalopathy.
Pharmacology
Dicyclomine¿¡ ´ëÇÑ Pharmacology Á¤º¸ Dicyclomine is an anticholinergic drug, a medication that reduces the effect of acetylcholine, a chemical released from nerves that stimulates muscles, by blocking the receptors for acetylcholine on smooth muscle (a type of muscle). It also has a direct relaxing effect on smooth muscle. Dicyclomine is used to treat or prevent spasm in the muscles of the gastrointestinal tract in the irritable bowel syndrome. In addition, Dicyclomine inhibits gastrointestinal propulsive motility and decreases gastric acid secretion and controls excessive pharyngeal, tracheal and bronchial secretions. Papaverine¿¡ ´ëÇÑ Pharmacology Á¤º¸ Papaverine is a nonxanthine phosphodiesterase inhibitor for the relief of cerebral and peripheral ischemia associated with arterial spasm and myocardial ischemia complicated by arrhythmias. The main actions of Papaverine are exerted on cardiac and smooth muscle. Like qathidine, Papaverine acts directly on the heart muscle to depress conduction and prolong the refractory period. Papaverine relaxes various smooth muscles. This relaxation may be prominent if spasm exists. The muscle cell is not paralyzed by Papaverine and still responds to drugs and other stimuli causing contraction. The antispasmodic effect is a direct one, and unrelated to muscle innervation. Papaverine is practically devoid of effects on the central nervous system. Papaverine relaxes the smooth musculature of the larger blood vessels, especially coronary, systemic peripheral, and pulmonary arteries.
Papaverine¿¡ ´ëÇÑ Biotransformation Á¤º¸ Not Available
Toxicity
Dicyclomine¿¡ ´ëÇÑ Toxicity Á¤º¸ Not Available Papaverine¿¡ ´ëÇÑ Toxicity Á¤º¸ Not Available
Drug Interactions
Dicyclomine¿¡ ´ëÇÑ Drug_Interactions Á¤º¸ Donepezil Possible antagonism of actionGalantamine Possible antagonism of actionRivastigmine Possible antagonism of actionHaloperidol The anticholinergic increases the risk of psychosis and tardive dyskinesia Papaverine¿¡ ´ëÇÑ Drug_Interactions Á¤º¸ Probenecid Probenecid increases the antibiotic's level
Dicyclomine¿¡ ´ëÇÑ Food Interaction Á¤º¸ Avoid alcohol.Take this medication 30 minutes before meals. Papaverine¿¡ ´ëÇÑ Food Interaction Á¤º¸ Not Available
Dicyclomine¿¡ ´ëÇÑ Description Á¤º¸ A muscarinic antagonist used as an antispasmodic and in urinary incontinence. It has little effect on glandular secretion or the cardiovascular system. It does have some local anesthetic properties and is used in gastrointestinal, biliary, and urinary tract spasms. [PubChem] Papaverine¿¡ ´ëÇÑ Description Á¤º¸ An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels. [PubChem]