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EPINEPHRINE

Manufacturer: ARS Pharmaceuticals Operations, Inc.

Score: 141.0

Quick Summary

Epinephrine is a sympathomimetic catecholamine used to increase mean arterial blood pressure in adult patients with hypotension associated with septic shock, for emergency treatment of allergic reactions (Type 1), including anaphylaxis, and for induction and maintenance of mydriasis during intraocular surgery. It has a rapid onset and short duration of action, and is extensively metabolized with a small amount excreted unchanged. The most common adverse reactions include headache, anxiety, apprehensiveness, restlessness, tremor, weakness, dizziness, sweating, palpitations, pallor, peripheral coldness, nausea/vomiting, and respiratory difficulties. The recommended dosing varies by condition, with intravenous infusion rates of 0.05 mcg/kg/min to 2 mcg/kg/min for hypotension associated with septic shock, and 0.3 to 0.5 mg (0.3 to 0.5 mL) intramuscularly or subcutaneously for anaphylaxis. Special population considerations include use during pregnancy, nursing mothers, pediatric use, and geriatric use, with caution advised due to potential risks and limited clinical data.

Key Clinical Findings and Indications

  • Hypotension associated with septic shock
  • Emergency treatment of allergic reactions (Type 1), including anaphylaxis
  • Induction and maintenance of mydriasis during intraocular surgery

Important Safety Information

Warning

Epinephrine should be used with caution in patients with heart disease, hypertension, or hyperthyroidism, and in patients receiving drugs that sensitize the heart to arrhythmias.

Contraindications

  • None

Adverse Reactions

  • Headache
  • Anxiety
  • Apprehensiveness
  • Restlessness
  • Tremor
  • Weakness
  • Dizziness
  • Sweating
  • Palpitations
  • Pallor
  • Peripheral coldness
  • Nausea/vomiting
  • Respiratory difficulties

Dosing Recommendations

General Guidance

Dose adjustments should be made based on clinical response and tolerance.

Hypotension associated with septic shock

Adult Dose

Intravenous infusion rate of 0.05 mcg/kg/min to 2 mcg/kg/min

Pediatric Dose

Not established

Anaphylaxis

Adult Dose

0.3 to 0.5 mg (0.3 to 0.5 mL) intramuscularly or subcutaneously

Pediatric Dose

0.01 mg/kg (0.01 mL/kg) intramuscularly or subcutaneously

Special Population Considerations

Pregnancy

  • Epinephrine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
  • Epinephrine is teratogenic in rabbits, mice, and hamsters.

Nursing Mothers

  • It is not known whether epinephrine is excreted in human milk.
  • Caution should be exercised when epinephrine is administered to a nursing woman.

Pediatric Use

  • Safety and effectiveness of epinephrine in pediatric patients with septic shock have not been established.
  • Clinical use data support weight-based dosing for treatment of anaphylaxis in pediatric patients.

Geriatric Use

  • Clinical studies of epinephrine for the treatment of hypotension associated with septic shock did not include sufficient numbers of subjects aged 65 and over.
  • Geriatric patients may be particularly sensitive to the effects of epinephrine.