Generic name: Atropine Auto-Injector [ A-troe-peen ]
Drug classes: Anticholinergic chronotropic agents, Anticholinergics / antispasmodics, Antidotes
Medically reviewed by Drugs.com. Last updated on Mar 6, 2023.
Uses of AtroPen:
- It is used to treat some poisonings.
- In surgery, it is used to lower secretions such as saliva.
- It is used to treat muscle spasms of the GI (gastrointestinal) tract, gallbladder system, or urinary system.
- It is used when the heart is not beating.
What do I need to tell my doctor BEFORE I take AtroPen?
- If you are allergic to AtroPen (atropine auto-injector); any part of AtroPen (atropine auto-injector); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
This medicine may interact with other drugs or health problems.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take AtroPen (atropine auto-injector) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take AtroPen?
- Tell all of your health care providers that you take AtroPen (atropine auto-injector). This includes your doctors, nurses, pharmacists, and dentists.
- Be careful in hot weather or while being active. Drink lots of fluids to stop fluid loss.
- This medicine may cause harm if swallowed. If AtroPen (atropine auto-injector) is swallowed, call a doctor or poison control center right away.
- If you are 65 or older, use AtroPen (atropine auto-injector) with care. You could have more side effects.
- Use with care in children. Talk with the doctor.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
How is this medicine (AtroPen) best taken?
Use AtroPen (atropine auto-injector) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into a muscle.
- Be sure you know how to use before an emergency happens. Read the package insert and instructions for use that come with AtroPen (atropine auto-injector). If you have any questions about how to use AtroPen (atropine auto-injector), talk with the doctor or pharmacist.
- Someone else may have to give AtroPen (atropine auto-injector). Be sure others know where AtroPen (atropine auto-injector) is stored and how to give it if needed.
- Never put your fingers or hand over the tip.
- Do not take off safety release until ready to use.
- When you are ready to use, take the pen out of the case.
- Hold pen with tip down.
- Make a fist around the pen.
- Pull off safety release.
- Jab straight into the outer thigh as you have been told. This medicine may be given through clothes if needed. Inject and hold for as long as you were told.
- Get medical help right away after using AtroPen (atropine auto-injector).
- Take it with you to the hospital.
- Do not use AtroPen (atropine auto-injector) if the solution changes color, is cloudy, or has particles. Get a new one.
What do I do if I miss a dose?
- Get medical help right away.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Trouble passing urine.
- Fast or abnormal heartbeat.
- Very bad dizziness or passing out.
- Trouble breathing, slow breathing, or shallow breathing.
- Feeling confused.
- Change in balance.
- Hallucinations (seeing or hearing things that are not there).
- Feeling very tired or weak.
- Swelling of belly.
- Not able to get or keep an erection.
- Lowered interest in sex.
- Low mood (depression).
- Change in eyesight, eye pain, or very bad eye irritation.
- Not sweating during activities or in warm temperatures.
What are some other side effects of AtroPen?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Blurred eyesight.
- If bright lights bother your eyes.
- Less sweating.
- Dizziness or headache.
- Dry mouth.
- Dry nose.
- Larger pupils.
- Pain where the shot was given.
- Upset stomach or throwing up.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out AtroPen?
- Store at room temperature. Do not freeze.
- Protect from light.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer Information Use and Disclaimer
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about AtroPen (atropine auto-injector), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
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