EpiPen JR 2-Pak Side Effects

Generic Name: epinephrine

Note: This document contains side effect information about epinephrine. Some of the dosage forms listed on this page may not apply to the brand name EpiPen JR 2-Pak.

For the Consumer

Applies to epinephrine: injection injectable, injection solution

Along with its needed effects, epinephrine (the active ingredient contained in EpiPen JR 2-Pak) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking epinephrine:

• Abnormal or decreased touch sensation
• anxiety
• arm, back, or jaw pain
• bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
• blurred vision
• chest pain or discomfort
• chest tightness or heaviness
• cold, pale, or bluish color of the skin of the fingers or toes
• dizziness
• fainting
• fast, slow, irregular, pounding, or racing heartbeat or pulse
• fear or nervousness
• headache
• nausea
• numbness, tingling, or pain in the fingers
• paleness of the skin
• pounding in the ears
• restlessness
• shakiness in the legs, arms, hands, or feet
• stroke
• sweating
• trembling or shaking of the hands or feet
• troubled breathing
• unusual tiredness or weakness
• vomiting

Get emergency help immediately if any of the following symptoms of overdose occur while taking epinephrine:

• Agitation
• coldness of the skin
• confusion
• decreased awareness or responsiveness
• decreased urine output
• depression
• drowsiness
• hostility
• irritability
• lightheadedness
• loss of consciousness
• muscle twitching
• rapid weight gain
• rapid, deep breathing
• seizures
• severe sleepiness
• stomach cramps
• swelling of the face, ankles, or hands
• unusual drowsiness, dullness, or feeling of sluggishness

For Healthcare Professionals

Applies to epinephrine: compounding powder, inhalation aerosol, inhalation solution, injectable kit, injectable solution, intravenous solution, subcutaneous suspension

General

Due to the lack of randomized, controlled clinical trials for the treatment of anaphylaxis, the true incidence of adverse reactions associated with the systemic use of this drug is difficult to determine. The most commonly reported adverse reactions include anxiety, apprehensiveness, restlessness, tremor, weakness, dizziness, sweating, palpitations, pallor, nausea and vomiting, headache, and/or respiratory difficulties.^[Ref]

Cardiovascular

Frequency not reported: Tachycardia, supraventricular tachycardia, ventricular arrhythmias, myocardial ischemia, myocardial infarction, limb/peripheral ischemia, palpitations, angina, arrhythmias, hypertension, vasoconstriction, ventricular ectopy, ventricular fibrillation, cold extremities, electrocardiogram changes, stress cardiomyopathy^[Ref]

Nervous system

Frequency not reported: Headache, paresthesia, tremor, stroke, central nervous system bleeding, dizziness, cerebral hemorrhage, memory impaired, lightheadedness, psychomotor agitation, tingling, Parkinsonism aggravated, syncope, convulsions, subarachnoid hemorrhage, hemiplegia^[Ref]

Psychiatric

Frequency not reported: Nervousness, excitability, anxiety, apprehension, restlessness, disorientation, panic, hallucinations, psychosis, fear, sleeplessness/insomnia, tenseness, confusion, irritability^[Ref]

Local

Frequency not reported: Extravasation, injection site pallor, coldness at injection site, hypoesthesia at injection site, injury at injection site, local ischemic necrosis^[Ref]

Dermatologic

Frequency not reported: Diaphoresis, pallor, piloerection, skin blanching, skin necrosis with extravasation, necrotizing fasciitis, flushing/redness of skin and face, hyperhidrosis^[Ref]

Metabolic

Frequency not reported: Hypoglycemia, hyperglycemia, insulin resistance, hypokalemia, lactic acidosis, insulin secretion inhibited, metabolic acidosis, anorexia^[Ref]

Respiratory

Frequency not reported: Pulmonary edema, rales, respiratory difficulty, dyspnea, bronchospasm, hypoxia of mucosa^[Ref]

Renal

Frequency not reported: Renal insufficiency^[Ref]

Hypersensitivity

Hypersensitivity side effects have been extremely unusual. Contact dermatitis has been associated with ocularly applied epinephrine (the active ingredient contained in EpiPen JR 2-Pak) These reactions have typically presented with lid edema and a thick yellow discharge.

Gastrointestinal

Frequency not reported: Nausea, vomiting, bowel necrosis, hypersalivation^[Ref]

Genitourinary

Frequency not reported: Urinary retention, difficult micturition^[Ref]

Hematologic

Frequency not reported: Thrombocytosis^[Ref]

Musculoskeletal

Frequency not reported: Myonecrosis^[Ref]

Other

Frequency not reported: Chest pain, weakness, gas gangrene, asthenia^[Ref]

Ocular

Frequency not reported: Corneal endothelial damage^[Ref]

Endocrine

Frequency not reported: Growth hormone secretion stimulated^[Ref]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer