Description

Osetlamivir (Tamiflu) is an oral drug that can be used to treat or prevent influenza A or B.


 

Indications:

(1) age >= 1 year of age for treatment and >= 13 years for prophylaxis

(2) influenza A or B

 

Dosing forms:

(1) 75 mg capsules

(2) oral pediatric suspension with 12 mg/mL (25 mL with 300 mg)

 

Dosing in children:

(1) by the table below (from the PDR)

(2) 2 mg per kg up to a maximum of 75 mg

(3) for prophylaxis in child >= 13 years, one 75 mg capsule

Pediatric Body Weight

Dose

Volume Suspension

<= 15 kg

30 mg

2.5 mL

15.01 to 23 kg

45 mg

3.75 mL

23.01 to 40 kg

60 mg

5.0 mL

> 40 kg

75 mg

6.25 mL

 

Dosing is reduced when the creatinine clearance is 10 - 30 mL per minute. No dosing recommendations are made for creatinine clearance < 10 mL/min or for patients receiving dialysis.

 

Purpose

Creatinine Clearance

Number of Daily Doses

prophylaxis

> 30 mL per min

1

treatment

> 30 mL per min

2

prophylaxis

10 - 30 mL/min

0.5

treatment

10 - 30 mL/min

1

 

where:

• A half dose may be 30 mg as a suspension a day or 1 pill every other day.

 

Duration of Treatment

Days of Treatment

prophylaxis

duration of exposure (at least 7 days)

treatment

5

 


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