American Regent introduces FDA-approved Epinephrine Injection, USP


MELVILLE, N.Y., March 30, 2023 /PRNewswire/ -- American Regent, Inc. announces the launch of sulfite-free Epinephrine Injection, USP.1

Epinephrine Injection, USP, is indicated for emergency treatment of allergic reactions (Type I), including anaphylaxis, which may result from insect stings or bites, foods, drugs, sera, diagnostic testing substances and other allergens, as well as idiopathic anaphylaxis or exercise-induced anaphylaxis. Epinephrine is also indicated to increase mean arterial blood pressure in adult patients with hypotension associated with septic shock.

"With the approval of this generic alternative we continue to show our commitment to ensuring both patients and providers have access to quality treatment options," stated Joann Gioia, Vice President and Chief Commercial Officer at American Regent, Inc. 

Product is available for immediate shipment. Customers can order Epinephrine Injection, USP through their wholesaler/distributor or by contacting our Customer Support Group at 1-800-645-1706.

Epinephrine Injection, USP is supplied as follows:

Pack NDC#


Supplied as

Shelf pack


1 mg/mL

1 mL single-dose ampule


See the following Important Safety Information in addition to the Full Prescribing Information.

For additional information, please visit

1. Epinephrine Injection, USP. Package insert. American Regent, Inc.; 2022.

Epinephrine Injection, USP

For intramuscular, subcutaneous, and intravenous use.
Do not inject into buttock, digits, hands, or feet.


Emergency treatment of allergic reactions (Type I), including anaphylaxis, which may result from insect stings or bites, foods, drugs, sera, diagnostic testing substances and other allergens, as well as idiopathic anaphylaxis or exercise-induced anaphylaxis.

Hypotension associated with Septic Shock
To increase mean arterial blood pressure in adult patients with hypotension associated with septic shock.


DOSAGE AND ADMINISTRATION: See Full Prescribing Information for instructions on dilution and administration of the injection.


Incorrect Locations of Injection for Anaphylaxis
Do not administer repeated injections of epinephrine at the same site, as the resulting vasoconstriction may cause tissue necrosis.

Do not inject into buttock, digits, hands, or feet.

Extravasation and Tissue Necrosis with Intravenous Infusion: Avoid extravasation into tissues, which can cause local necrosis. When epinephrine is administered intravenously, check the infusion site frequently.

May aggravate angina pectoris or produce ventricular arrhythmias.

Serious Infections at the Injection Site: Rare cases of serious skin and soft tissue infections, including necrotizing fasciitis and myonecrosis have been reported.

Hypertension: Because individual response to epinephrine may vary significantly, monitor blood pressure frequently and titrate to avoid excessive increases in blood pressure. Patients receiving monoamine oxidase inhibitors or antidepressants of the triptyline or imipramine types may experience severe, prolonged hypertension.

Pulmonary Edema: Epinephrine increases cardiac output and causes peripheral vasoconstriction, which may result in pulmonary edema.

Renal Impairment: Epinephrine constricts renal blood vessels, which may result in oliguria or renal impairment.

Cardiac Arrhythmias and Ischemia: Epinephrine may induce cardiac arrhythmias and myocardial ischemia, especially patients suffering from coronary artery disease, or cardiomyopathy.

Allergic Reactions Associated with Sulfite—This product does not contain sodium bisulfite.

ADVERSE REACTIONS: Common adverse reactions to systemically administered epinephrine include, but are not limited to, anxiety, apprehensiveness, restlessness, tremor, weakness, dizziness, sweating, palpitations, pallor, nausea and vomiting, headache, and respiratory difficulties. These symptoms occur in some persons receiving therapeutic doses of epinephrine, but are more likely to occur in patients with heart disease, hypertension, or hyperthyroidism.

Patients with Parkinson's disease may experience psychomotor agitation or a temporary worsening of symptoms.

Diabetic patients may experience transient increases in blood sugar.

Elderly patients and pregnant women may be at greater risk of developing adverse reactions when epinephrine is administered parenterally.

Risk Summary: May cause fetal harm.

Labor or Delivery: There are risks to the mother and fetus associated with epinephrine use during labor or delivery. Avoid epinephrine during the second stage of labor. Although epinephrine may improve maternal hypotension associated with septic shock and anaphylaxis, it may result in uterine vasoconstriction, decreased uterine blood flow, and fetal anoxia.

Risk Summary: There is no information regarding the presence of epinephrine in human milk or the effects of epinephrine on the breastfed infant or on milk production.

Pediatric Use
Reported clinical experience with the use of epinephrine suggests that the adverse reactions seen in children are similar in nature and extent to those both expected and reported in adults.

Safety and effectiveness of epinephrine in pediatric patients with septic shock have not been established.

Geriatric Use
In general, dose selection for an elderly patient should be cautious, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

Overdosage of epinephrine may produce extremely elevated arterial pressure, which may result in cerebrovascular hemorrhage, particularly in elderly patients. Overdosage may also result in pulmonary edema, transient bradycardia followed by tachycardia and these may be accompanied by potentially fatal cardiac arrhythmias. Subsidence of the ventricular effects may be followed by atrial tachycardia and occasionally by atrioventricular block. Myocardial ischemia and infarction, cardiomyopathy, extreme pallor and coldness of the skin, metabolic acidosis due to elevated blood lactic acid levels, and renal insufficiency have also been reported.

For additional Safety Information, please see Full Prescribing Information.

You are encouraged to report Adverse Drug Events (ADEs) to American Regent, Inc. at 1.800.734.9236 or to the FDA by visiting or calling 1.800.FDA.1088. 

REF-0848 5/2022

You are encouraged to report adverse drug events (ADEs) to American Regent:
T 1.800.734.9236; E; F 1.610.650.0170

ADEs may also be reported to the FDA:

Medical information:
T 1.888.354.4855 (9:00 am–5:00 pm Eastern Time, Monday–Friday)

For medical information outside of normal business hours
that cannot wait until the next business day, please call 1.877.845.6371

About American Regent
American Regent, Inc., a Daiichi Sankyo Group company, is a top-10 injectable manufacturer. For over 50 years, American Regent has been developing, manufacturing and supplying quality generic and branded injectables for healthcare providers. For nearly 20 years, we have been a leader in IV iron therapy.

American Regent is committed to US-based manufacturing. To that end, over the last several years, we have made significant investments in expanding and modernizing our manufacturing facilities in Ohio and New York.  This expansion will nearly double our capacity and allow us to better serve our customers now and in the future.

Speed counts. Flexibility matters. Reliability and quality are paramount. Because patients should never have to wait for the medications, they need.

For more information, please visit

About Daiichi Sankyo
Daiichi Sankyo is dedicated to creating new modalities and innovative medicines by leveraging our world-class science and technology for our purpose "to contribute to the enrichment of quality of life around the world." In addition to our current portfolio of medicines for cancer and cardiovascular disease, Daiichi Sankyo is primarily focused on developing novel therapies for people with cancer as well as other diseases with high unmet medical needs. With more than 100 years of scientific expertise and a presence in more than 20 countries, Daiichi Sankyo and its 16,000 employees around the world draw upon a rich legacy of innovation to realize our 2030 Vision to become an "Innovative Global Healthcare Company Contributing to the Sustainable Development of Society."

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SOURCE American Regent, Inc.


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