Oseltamivir: Difference between revisions

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*[[Drug Ratings in Pregnancy|Pregnancy Rating]]:
*[[Drug Ratings in Pregnancy|Pregnancy Rating]]:
*[[Lactation risk categories|Lactation risk]]:
*[[Lactation risk categories|Lactation risk]]:
*High Risk for Complications and Recommended for Treatment per CDC:
**Children < 2 yo
**Adults > 65 yo
**Chronic Pulmonary Disease including Asthma
**Cardiovascular disease (excluding HTN only)
**Renal, hepatic, hematological, and metabolic disorders (including sickle cell, diabetes)
**Neurological and Neurodevelopmental disorders (brain disorders, spinal cord, peripheral nerve disorders, cerebreal palsy, epilepsy, stroke, MR, developmental delay, muscular dystrophy)
**Immunosuppressed including on HAART
**Pregnant or Postpartum (2 weeks after delivery)
**<19 yo on long term aspirin
**American Indians/Alaskan natives
**Morbid Obesity (BMI >= 40)
**Nursing home or chronic care facility residents.
===Renal Dosing===
===Renal Dosing===
*Adult:
*Adult:

Revision as of 05:19, 27 April 2016

Administration

  • Type:
  • Dosage Forms:
  • Routes of Administration:
  • Common Trade Names: Tamiflu

Adult Dosing

Influenza

  • 75mg PO BID x 5 days

Pediatric Dosing

Influenza

  • Age <1 year: 3mg/kg PO BID x 5 days
  • <15kg: 30mg PO BID x 5 days
  • 15-23kg: 45mg PO BID x 5 days
  • 24-40kg: 60mg PO BID x5d
  • Adult: 75mg PO BID x 5 days

Special Populations

  • Pregnancy Rating:
  • Lactation risk:
  • High Risk for Complications and Recommended for Treatment per CDC:
    • Children < 2 yo
    • Adults > 65 yo
    • Chronic Pulmonary Disease including Asthma
    • Cardiovascular disease (excluding HTN only)
    • Renal, hepatic, hematological, and metabolic disorders (including sickle cell, diabetes)
    • Neurological and Neurodevelopmental disorders (brain disorders, spinal cord, peripheral nerve disorders, cerebreal palsy, epilepsy, stroke, MR, developmental delay, muscular dystrophy)
    • Immunosuppressed including on HAART
    • Pregnant or Postpartum (2 weeks after delivery)
    • <19 yo on long term aspirin
    • American Indians/Alaskan natives
    • Morbid Obesity (BMI >= 40)
    • Nursing home or chronic care facility residents.

Renal Dosing

  • Adult:
  • Pediatric:

Hepatic Dosing

  • Adult:
  • Pediatric:

Contraindications

  • Allergy to class/drug

Adverse Reactions

Serious

Common

Pharmacology

  • Half-life:
  • Metabolism:
  • Excretion:

Mechanism of Action

Comments

  • Influenza
    • Shortens duration of illness by 16.8 hrs while NNTH (number needed to harm) was 28 in regards to causing n/v, HA, and renal and psych syndromes[1]
    • Greatest benefit if within 48hrs of symptom onset[2]
      • However, may be beneficial up to 4-5 days, including in pregnant patients
      • Early treatment of hospitalized pts can reduce death

See Also

References

  1. Jefferson T, et al. Oseltamivir for influenza in adults and children: systematic review of clinical study reports and summary of regulatory comments. BMJ. 2014; 348:g2545.
  2. CDC Guidelines. 2015-2016. http://www.cdc.gov/flu/professionals/antivirals/summary-clinicians.htm