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Epinephrine belongs to a family of medications called sympathomimetics. These medications resemble chemicals that are normally found in our bodies and are released during stressful situations, such as when we are scared, anxious, or angry.
Epinephrine is used for the emergency treatment of severe allergic reactions (anaphylaxis) to insect bites, insect stings, food, medication, as well as other allergens (e.g., latex). During a severe allergic reaction, blood pressure can become dangerously low, breathing can become difficult, and the face and throat can swell. Others signs and symptoms can include hives, flushing, fast heart rate, paleness, weakness, dizziness, stomach cramps, nausea, vomiting, and diarrhea. Epinephrine works to reverse these effects.
This medication may be available under multiple brand names and/or in several different forms. Any specific brand name of this medication may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of this medication may not be used for all of the conditions discussed here.
Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are being given this medication, speak to your doctor. Do not stop using this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to use this medication if their doctor has not prescribed it.
This medication is available as 0.3 mg and 0.15 mg intramuscular injections.
The recommended dose of epinephrine is based on your body weight, your risk of experiencing a serious allergic reaction, and your ability to tolerate the medication. The usual dose for children and adults who weigh 30 kg or more is 0.3 mg. For children who weigh 15 kg to 30 kg, the dose is 0.15 mg. For children who weigh less than 15 kg, other forms of epinephrine may be prescribed.
The medication is injected into the thigh with use of a special automatic device that resembles a pen. To use the pen, first remove it from the carton. Activate the pen by removing the safety cap. Then, jab the tip of the pen against the thigh and hold it there for 10 seconds. This will activate the plunger and the needle will be pushed into the thigh muscle to inject a dose of epinephrine. There will be some solution remaining in the pen after injection. Seek immediate medical attention at the same time. If your symptoms have not improved within 10 minutes, use another dose if you have a second pen.
It is important to use this medication exactly as prescribed by your doctor. It is also important to know how to use the pen properly. If you are not sure, ask your doctor, nurse, or pharmacist for a demonstration.
Many things can affect the dose of a medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are using the medication without consulting your doctor.
The pen should be stored in its original tube (to protect it from light) at room temperature. Do not use it if the solution is brown or has particles in it. Keep this medication out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Epinephrine should not be used by anyone who is allergic to epinephrine or to any of the ingredients of the medication.
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.
The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.
The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
Although most of these side effects listed below don’t happen very often, they could lead to serious problems if you do not check with your doctor or seek medical attention.
Let your doctor or emergency medical attendant know immediately if any of the following side effects occur:
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Accidental injection: If epinephrine is accidentally injected into areas such as the hands or feet, go to the nearest emergency room for treatment. Epinephrine should only be injected into the thigh.
Asthma: People who have asthma may experience difficulty breathing after using epinephrine. If you have asthma, ensure that you inform any emergency professionals that you have asthma and have used epinephrine. Discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Diabetes: People with diabetes may experience a temporary increase in blood glucose level after using epinephrine. If you have diabetes, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed. Be sure to tell any emergency professionals that you have diabetes and that you have used epinephrine.
Glaucoma: The symptoms of glaucoma can be made worse when epinephrine is used. If you have glaucoma, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Heart disease: Epinephrine has many effects throughout the body. It narrows the blood vessels, which in turn can increase blood pressure, heart rate and possibly cause irregular heartbeat. If you have heart disease, including high blood pressure, abnormal heartbeat or are taking medications that increase the risk of an irregular heartbeat (e.g., digoxin, amiodarone, sotalol, procainamide), or have an overactive thyroid, these conditions can be made worse for a short period of time, by using epinephrine. Discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication and whether any special monitoring is needed.
Be sure to tell any emergency professionals if you have any of these conditions and that you have used epinephrine.
Medical attention: Since the signs and symptoms of an allergic reaction may return after using this medication, it is important to get immediate medical attention after using it. You should be close to a hospital or emergency medical help for at least 24 hours after the start of your allergic reaction.
Parkinson’s disease (PD): People with PD may experience temporarily worsened symptoms of PD after using epinephrine.
Pregnancy: This medication should only be used during pregnancy if the benefits outweigh the risks.
There may be an interaction between epinephrine and any of the following:
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material copyright MediResource Inc. 1996 – 2019. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Source: www.medbroadcast.com/drug/getdrug/Anapen
All material © 1996-2018 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.