Ovarid
Brand names,
Ovarid
Analogs
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Brand Names Mixture
Ovarid
Chemical_Formula
C7H7NO3
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RX_link
http://www.rxlist.com/cgi/generic2/canasa.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
153.135 g/mol
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Melting Point
283 oC
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H2O Solubility
0.84 g/L at 20°C
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State
Solid
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LogP
1.012
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Dosage Forms
Rectal suppository (500 mg or 1000 mg)
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Indication
For the treatment of active ulcerative proctitis.
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Pharmacology
Sulfasalazine has been used in the treatment of ulcerative colitis for over 55 years. It is split by bacterial action in the colon into sulfapyridine (SP) and mesalamine (5-ASA). It is thought that the mesalamine component only is therapeutically active in ulcerative colitis.
Ovarid
Absorption
20 to 30% absorbed following oral administration. 10 to 35% absorbed from the colon (rectal suppository) - extent of absorption is determined by the length of time the drug is retained in the colon.
Ovarid
side effects and Toxicity
Oral, mouse: LD50 = 3370 mg/kg; Oral, rat: LD50 = 2800 mg/kg; Skin, rabbit: LD50 = >5 gm/kg. There have been no documented reports of serious toxicity in man resulting from massive overdosing with mesalamine. Under ordinary circumstances, mesalamine absorption from the colon is limited.
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Patient Information
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Organisms Affected
Humans and other mammals