Cholagogue

A cholagogue is a substance that promotes the discharge of bile from the system, specifically from the liver and gallbladder, into the duodenum. This process is essential for the digestion and absorption of fats and fat-soluble vitamins in the small intestine.

Function

Cholagogues work by stimulating the gallbladder to contract and release stored bile into the bile duct and subsequently into the duodenum. Bile is a digestive fluid produced by the liver that helps in the emulsification of fats, making them easier to digest by lipase enzymes.

Types of Cholagogues

Cholagogues can be classified into two main types:

• **Natural Cholagogues**: These include certain foods and herbs known to stimulate bile flow. Examples include artichoke, dandelion, and turmeric.
• **Pharmaceutical Cholagogues**: These are medications prescribed to enhance bile flow. Examples include ursodeoxycholic acid and chenodeoxycholic acid.

Medical Uses

Cholagogues are used in the treatment of various conditions, including:

• Cholecystitis: Inflammation of the gallbladder.
• Cholelithiasis: The presence of gallstones.
• Biliary dyskinesia: Abnormal bile flow due to dysfunction of the bile ducts or gallbladder.

Mechanism of Action

The primary mechanism of action of cholagogues involves the stimulation of the vagus nerve, which in turn causes the gallbladder to contract. This contraction pushes bile into the bile duct and then into the duodenum. Some cholagogues also increase the production of bile by the liver.

Side Effects

While cholagogues can be beneficial, they may also cause side effects such as:

• Diarrhea
• Abdominal pain
• Nausea

Related Pages

• Bile
• Gallbladder
• Liver
• Duodenum
• Cholecystitis
• Cholelithiasis
• Biliary dyskinesia

See Also

• Choleretic
• Hepatoprotective