Side effects for EpiPen® (epinephrine injection) and EpiPen Jr® (epinephrine injection) Auto‑Injectors

Tell your doctor if you have certain medical conditions such as asthma, depression, thyroid disease, Parkinson’s disease, diabetes, high blood pressure or heart disease, have any other medical conditions, are pregnant or plan to become pregnant, or are breastfeeding or plan to breastfeed. Be sure to also tell your doctor all the medicines you take, especially medicines for asthma. If you have certain medical conditions, or take certain medicines, your condition may get worse or you may have longer‑lasting side effects when you use EpiPen® or EpiPen Jr®.

However, the most common side effects may include increase in heart rate, stronger or irregular heartbeat, sweating, nausea and vomiting, difficulty breathing, paleness, dizziness, weakness or shakiness, headache, apprehension, nervousness or anxiety. These side effects usually go away quickly, especially if you rest. Talk to your health care professional to see if EpiPen® or EpiPen Jr® Auto‑Injector is right for you.