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Ursodeoxycholic acid (UDCA), also known as ursodiol, is a secondary bile acid, produced in humans and most other species from metabolism by intestinal bacteria.It is synthesized in the liver in some species, and was first identified in bile of bears of genus Ursus, from which its name derived. [8]
Enterohepatic circulation of drugs. Enterohepatic circulation is the circulation of biliary acids, bilirubin, drugs or other substances from the liver to the bile, followed by entry into the small intestine, absorption by the enterocyte and transport back to the liver.
In periodontics, there are four reasons to seek medication.Those four reasons include infection, swelling, pain, and sedation. Although some patients may experience pain, swelling, and infection as a result of an acute periodontal problem such as advanced periodontal disease, periodontic patients usually do not need medication until they are faced with surgery.
In chronic liver diseases such as cirrhosis, bile acids may deposit in the skin, causing pruritus (itching). Hence, bile acid sequestrants may be used for the prevention of pruritus in patients with chronic liver disease. [10] Bile acid sequestrants may also be used to treat hyperthyroidism as an adjunct therapy.
Macrolides exhibit enterohepatic recycling; that is, the drug is absorbed in the gut and sent to the liver, only to be excreted into the duodenum in bile from the liver. This can lead to a buildup of the product in the system, thereby causing nausea. In infants the use of erythromycin has been associated with pyloric stenosis.
Pien Tze Huang (片仔癀; Piànzǎihuáng) is a traditional Chinese herbal formula first documented during the Ming Dynasty and historically used to combat inflammation. In recent years it has been tested on animals for its benefits against various diseases such as multiple sclerosis, cerebral ischemia, carbon-induced liver damage, and cancer.
The liver is the major site of first pass effect; however, it can also occur in the lungs, vasculature or other metabolically active tissues in the body. Notable drugs that experience a significant first pass effect are buprenorphine , chlorpromazine , cimetidine , diazepam , ethanol (drinking alcohol), imipramine , insulin , lidocaine ...
Quinolone antibiotics constitute a large group of broad-spectrum bacteriocidals that share a bicyclic core structure related to the substance 4-quinolone. [1] They are used in human and veterinary medicine to treat bacterial infections, as well as in animal husbandry, specifically poultry production.