IV Dilution &
Medication Reference

FENTANYL

Usual Diluents

Standard Dilutions [Amount of drug] [Infusion volume] [Infusion rate]

(May concentrate further)
[2500 mcg] [ 50 ml] (50 mcg/ml)

Stability / Miscellaneous

EXP: 2 Days (RT / REF).
Some studies indicate stability up to 30 days.

Minimum dilution: 2500 to 5000 mcg/ 50 ml.
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Adults:
Premedication: I.M., slow I.V.: 50-100 mcg/dose 30-60 minutes prior to surgery

Adjunct to regional anesthesia: I.M., slow I.V.: 50-100 mcg/dose; if I.V. used, give over 1-2 minutes

Severe pain: I.M.: 50-100 mcg/dose every 1-2 hours as needed; patients with prior opiate exposure may tolerate higher initial doses

Adjunct to general anesthesia: Slow I.V.:
Low dose: Initial: 2 mcg/kg/dose; Maintenance: Additional doses infrequently needed
Moderate dose: Initial: 2-20 mcg/kg/dose; Maintenance: 25-100 mcg/dose may be given slow I.V. or I.M. as needed

High dose: Initial: 20-50 mcg/kg/dose; Maintenance: 25 mcg to one-half the initial loading dose may be given as needed

General anesthesia without additional anesthetic agents: Slow I.V.: 50-100 mcg/kg with O2 and skeletal muscle relaxant

Mechanically-ventilated patients (based on 70 kg patient): Slow I.V.: 0.35-1.5 mcg/kg every 30-60 minutes as needed; infusion: 0.7 - 10 mcg/kg/hour

Patient-controlled analgesia (PCA): I.V.: Usual concentration: 50 mcg/mL
Demand dose: Usual: 10 mcg; range: 10-50 mcg
Lockout interval: 5-8 minutes

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DOSAGE AND ADMINISTRATION
50 mcg = 0.05 mg = 1 mL

Dosage should be individualized. Some of the factors to be considered in determining the dose are age, body weight, physical status, underlying pathological condition, use of other drugs, type of anesthesia to be used and the surgical procedure involved. Dosage should be reduced in elderly or debilitated patients.

Vital signs should be monitored routinely.

I.Premedication- Premedication (to be appropriately modified in the elderly, debilitated, and those who have received other depressant drugs)-50 mcg to 100 mcg (0.05 mg to 0.1 mg) (1 mL to 2 mL) may be administered intramuscularly 30 to 60 minutes prior to surgery.

II.Adjunct to General Anesthesia- See Dosage Range Chart

III.Adjunct to Regional Anesthesia- 50 mcg to 100 mcg (0.05 mg to 0.1 mg) (1 mL to 2 mL) may be administered intramuscularly or slowly intravenously, over one to two minutes, when additional analgesia is required.

IV.Postoperatively (recovery room)- 50 mcg to 100 mcg (0.05 mg to 0.1 mg) (1 mL to 2 mL) may be administered intramuscularly for the control of pain, tachypnea, and emergence delirium. The dose may be repeated in one to two hours as needed.

Usage in Children: For induction and maintenance in children 2 to 12 years of age, a reduced dose as low as 2 mcg/kg to 3 mcg/kg is recommended.

DOSAGE RANGE CHART

As a General Anesthetic:
When attenuation of the responses to surgical stress is especially important, doses of 50 mcg/kg to 100 mcg/kg (0.05 mg/kg to 0.1 mg/kg) (1 mL/kg to 2 mL/kg) may be administered with oxygen and a muscle relaxant. This technique has been reported to provide anesthesia without the use of additional anesthetic agents. In certain cases, doses up to 150 mcg/kg (0.15 mg/kg) (3 mL/kg) may be necessary to produce this anesthetic effect. It has been used for open heart surgery and certain other major surgical procedures in patients for whom protection of the myocardium from excess oxygen demand is particularly indicated, and for certain complicated neurological and orthopedic procedures.

As noted above, it is essential that qualified personnel and adequate facilities be available for the management of respiratory depression.

See package insert for WARNINGS and PRECAUTIONS for use of fentanyl with other CNS depressants, and in patients with altered response.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

HOW SUPPLIED
Fentanyl Citrate Injection, USP equivalent to 50 mcg (0.05 mg) fentanyl/mL, is supplied in single-dose glass containers as follows:

PROTECT FROM LIGHT. Store at 20 to 25°C (68 to 77°F). [See USP Controlled Room Temperature.]

Revised: April, 2007
Printed in USA EN-1504
Hospira, Inc., Lake Forest, IL 60045 USA

Source: [package insert]

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