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Brand names,
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Analogs
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Brand Names Mixture
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Chemical_Formula
C14H21N3O3S
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RX_link
http://www.rxlist.com/cgi/generic/tolinase.htm
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fda sheet
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msds (material safety sheet)
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Synthesis Reference
No information avaliable
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Molecular Weight
311.401 g/mol
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Melting Point
170-173 oC
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H2O Solubility
Solubility at pH 6.0 (mean urinary pH) is 27.8 mg/100 mL
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State
Solid
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LogP
2.674
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Dosage Forms
Tablets (100 mg, 250 mg or 500 mg)
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Indication
For use as an adjunct to diet to lower the blood glucose in patients with non-insulin dependent diabetes mellitus (Type II) whose hyperglycemia cannot be satisfactorily controlled by diet alone.
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Pharmacology
Tolazamide is an oral blood glucose lowering drug of the sulfonylurea class. Tolazamide appears to lower the blood glucose acutely by stimulating the release of insulin from the pancreas, an effect dependent upon functioning beta cells in the pancreatic islets. The mechanism by which tolazamide lowers blood glucose during long-term administration has not been clearly established. With chronic administration in Type II diabetic patients, the blood glucose lowering effect persists despite a gradual decline in the insulin secretory response to the drug. Extrapancreatic effects may be involved in the mechanism of action of oral sulfonylurea hypoglycemic drugs. Some patients who are initially responsive to oral hypoglycemic drugs, including tolazamide, may become unresponsive or poorly responsive over time. Alternatively, tolazamide may be effective in some patients who have become unresponsive to one or more other sulfonylurea drugs. In addition to its blood glucose lowering actions, tolazamide produces a mild diuresis by enhancement of renal free water clearance.
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Absorption
Rapidly and well absorbed from the gastrointestinal tract.
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side effects and Toxicity
Overdosage of sulfonylureas can produce hypoglycemia. Severe hypoglycemic reactions with coma, seizure, or other neurological impairment occur infrequently, but constitute medical emergencies requiring immediate hospitalization.
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Patient Information
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Organisms Affected
Humans and other mammals