Diferencia entre revisiones de «Pyridoxine»

Sin resumen de edición
 
(No se muestran 9 ediciones intermedias de 3 usuarios)
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==Adult Dosing==
==Adult Dosing==
*Seizures associated with overdose of [[INH]] or ingestion of [[gyromitra]] mushrooms <ref> Berger KJ, Guss DA. Mycotoxins revisited: Part II. J Emerg Med. 2005;28(2):175. </ref> <ref>Howland MA, “Antidotes in Depth: Pyridoxine,” Goldfrank's Toxicologic Emergencies, 10th ed, Flomenbaum NE, Goldfrank LR, Hoffman RS, et al, eds, New York, NY: McGraw-Hill Companies, Inc, 2015, 872-5.</ref>
===[[Hyperemesis gravidarum]]===
**Known quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
*10-25mg q6-8hrs
**Unknown quantity ingested: 5 grams
 
**IV Infusion rate is 0.5 g/min until the seizures stop or the maximum dose is reached. Remainder of dose infused over 4 to 6 hours
===[[Seizures]] associated with overdose of [[INH]] or ingestion of [[gyromitra]] mushrooms <ref> Berger KJ, Guss DA. Mycotoxins revisited: Part II. J Emerg Med. 2005;28(2):175. </ref> <ref>Howland MA, “Antidotes in Depth: Pyridoxine,” Goldfrank's Toxicologic Emergencies, 10th ed, Flomenbaum NE, Goldfrank LR, Hoffman RS, et al, eds, New York, NY: McGraw-Hill Companies, Inc, 2015, 872-5.</ref>===
*Known quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
*Unknown quantity ingested: 5 grams
*IV Infusion rate is 0.5 g/min until the seizures stop or the maximum dose is reached. Remainder of dose infused over 4 to 6 hours


==Pediatric Dosing==
==Pediatric Dosing==
*Seizures associated with overdose of [[INH]]
===Seizures associated with overdose of [[INH]]===
**Known  quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
*Known  quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
**Unknown quantity ingested: 1 gm/kg up to 5 gm (adult dose) <ref>Minns, A. et al. Isoniazid-Induced Status Epilepticus in a Pediatric Patient After Inadequate Pyridoxine Therapy. Pediatric Emergency Care. 2010:26(5)380-381 </ref>
*Unknown quantity ingested: 70mg/kg up to 5 gm (adult dose) <ref>Minns, A. et al. Isoniazid-Induced Status Epilepticus in a Pediatric Patient After Inadequate Pyridoxine Therapy. Pediatric Emergency Care. 2010:26(5)380-381 </ref>
*[[Gyomitra]] ingestion
*Then give 1 gram IM q30min until total dose required reached<ref>Pyridoxine. www.Drugs.com. http://www.drugs.com/dosage/pyridoxine.html</ref>
**70 mg/kg initial dose
 
===[[Gyromitra]] ingestion===
*70mg/kg initial dose


==Special Populations==
==Special Populations==
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*[[Antidotes]]
*[[Antidotes]]
*[[INH]]
*[[INH]]
*[[Vitamin deficiencies]]


==References==
==References==
<references/>
<references/>
[[Category:Pharmacology]]
[[Category:Pharmacology]]
[[Category:FEN]]

Revisión actual - 22:11 23 sep 2019

Administration

  • Type: Water soluble vitamin
  • Routes of Administration: Oral, IV/IM
  • Common Trade Names: Vitamin B6

Adult Dosing

Hyperemesis gravidarum

  • 10-25mg q6-8hrs

Seizures associated with overdose of INH or ingestion of gyromitra mushrooms [1] [2]

  • Known quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
  • Unknown quantity ingested: 5 grams
  • IV Infusion rate is 0.5 g/min until the seizures stop or the maximum dose is reached. Remainder of dose infused over 4 to 6 hours

Pediatric Dosing

Seizures associated with overdose of INH

  • Known quantity ingested: Give IV pyridoxine 1:1 with amount ingested, up to 5 grams
  • Unknown quantity ingested: 70mg/kg up to 5 gm (adult dose) [3]
  • Then give 1 gram IM q30min until total dose required reached[4]

Gyromitra ingestion

  • 70mg/kg initial dose

Special Populations

Contraindications

  • Allergy to class/drug

Adverse Reactions

Serious

Common

Mechanism of Action

Comments

See Also

References

  1. Berger KJ, Guss DA. Mycotoxins revisited: Part II. J Emerg Med. 2005;28(2):175.
  2. Howland MA, “Antidotes in Depth: Pyridoxine,” Goldfrank's Toxicologic Emergencies, 10th ed, Flomenbaum NE, Goldfrank LR, Hoffman RS, et al, eds, New York, NY: McGraw-Hill Companies, Inc, 2015, 872-5.
  3. Minns, A. et al. Isoniazid-Induced Status Epilepticus in a Pediatric Patient After Inadequate Pyridoxine Therapy. Pediatric Emergency Care. 2010:26(5)380-381
  4. Pyridoxine. www.Drugs.com. http://www.drugs.com/dosage/pyridoxine.html