Diflunisal
From Wikipedia, the free encyclopedia
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Diflunisal
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| Systematic (IUPAC) name | |
| 5-(2,4-difluorophenyl)-2-hydroxy-benzoic acid | |
| Identifiers | |
| CAS number | |
| ATC code | N02 |
| PubChem | |
| DrugBank | |
| Chemical data | |
| Formula | C13H8F2O3 |
| Mol. mass | 250.198 g/mol |
| SMILES | & |
| Pharmacokinetic data | |
| Bioavailability | 80-90% |
| Protein binding | >99% |
| Metabolism | Hepatic |
| Half life | 8 to 12 hours |
| Excretion | Renal |
| Therapeutic considerations | |
| Pregnancy cat. | |
| Legal status | |
| Routes | Oral |
Diflunisal is a generic NSAID (non-steroidal anti-inflammatory drug). It is often used under the brand name Dolobid marketed by Merck & Co. Diflunisal acts by inhibiting the production of prostaglandin, a hormone that creates inflammation and stimulates the neuro receptors for pain. Though diflunisal has an onset of 1 hour, and maximum analgesia at 2 to 3 hours, the diflunisal plasma levels will not be steady until repeated doesages are achieved. To increase the rate at which the diflunisal plasma levels become steady, a loading dose is usually used. It is primarily used to treat symptoms of arthritis.
[edit] Overdose
Deaths that have occurred from diflunisal usually involved mixed drugs and or extremely high dosages. The oral LD50 is 500 mg/kg. Symptoms of overdose include, coma, tachycardia, stupor, and vomiting. The lowest dose without the presence of other medicines which caused death was 15 grams. Mixed with other medicines, a death at 7.5 grams has also occurred. Diflunisal usually comes in 250 or 500 mg, thus it is relatively hard to overdose by accident.
[edit] Abuse
This medication has no side effects like those of recreational drugs. Therefore it has no chance of misuse.
Indicated for:
Do not cut/crush/chew. Monitor blood pressure. Use lowest effective dose for shortest duration. |
Side effects:
Eye:
Skin:
Precautions:
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[edit] External links
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a684037.html
- http://www.medsafe.govt.nz/Profs/Datasheet/discontinued/ansaltab.htm
- Dolobid Prescribing Information (manufacturer's website)
- Dolobid Medication Guide (manufacturer's website)
- Diflunisal (patient information)
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