Categoria
Ailural
Marchi,
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Analoghi
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Marchi miscela
No information avaliable
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Formula chimica
C5H4N4O
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RX link
http://www.rxlist.com/cgi/generic/allopur.htm
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FDA foglio
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DMS (foglio di materiale di sicurezza)
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Sintesi di riferimento
Robins, J. Am. Chem. Così. 78, 784 (1956)
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Peso molecolare
136.112 g/mol
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Temperatura di fusione
350 oC
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H2O Solubilita
569 mg / L
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Stato
Solid
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LogP
-0.177
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Forme di dosaggio
Compresse per somministrazione orale (100mg, 200mg e 300mg); iniezione
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Indicazione
Per il trattamento di iperuricemia associata a gotta primaria o secondaria.
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Farmacologia
Allopurinolo, un analogo strutturale della base purinica ipoxantina naturale, è utilizzato per prevenire la gotta e calcoli renali a causa sia di acido urico o di ossalato di calcio e per il trattamento di nefropatia da acido urico, iperuricemia, e alcuni tumori solidi.
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Assorbimento
Circa il 90% assorbito dal tratto gastrointestinale.
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Tossicita
LD50 = 214 mg / kg (nei topi)
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Informazioni paziente
Patients should be informed of the following:
- 1. They should be cautioned to discontinue allopurinol and to consult their physician immediately at the
first sign of a skin rash, painful urination, blood in the urine, irritation of the eyes, or swelling of the lips
or mouth.
- 2. They should be reminded to continue drug therapy prescribed for gouty attacks since optimal benefit
of allopurinol may be delayed for two to six weeks.
- 3. They should be encouraged to increase fluid intake during therapy to prevent renal stones.
- 4. If a single dose of allopurinol is occasionally forgotten, there is no need to double the dose at the
next scheduled time.
- 5. There may be certain risks associated with the concomitant use of allopurinol and dicumarol,
sulfinpyrazone, mercaptopurine, azathioprine, ampicillin, amoxicillin and thiazide diuretics, and they should
follow the instructions of their physician.
- 6. Due to the occasional occurrence of drowsiness, patients should take precautions when engaging in
activities where alertness is mandatory.
- 7. Patients may wish to take allopurinol after meals to minimize gastric irritation.
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Atto interessato organismi
Gli esseri umani e altri mammiferi