Antidote Atropine and Pralidoxime
What Is Atropine-Pralidoxime?
Atropine blocks the action of a certain chemical that may reach high levels in the body after a poisoning. Atropine also stimulates the heart and reduces the secretions of the nose, mouth, and lungs to improve breathing.
Pralidoxime reverses muscle weakness or paralysis caused by a poison or nerve agent.
Atropine and pralidoxime is a combination medicine used as an antidote to treat poisoning by a pesticide (insect spray) or a chemical that interferes with the central nervous system, such as nerve gas.
This medicine is not effective as an antidote for all types of pesticide poisonings. You may need medications or additional treatments.
Atropine and pralidoxime may also be used for purposes not listed in this medication guide.
In an emergency, you may not be able to tell caregivers about your health conditions. Make sure any doctor caring for you afterward knows you received this medicine.
If possible, before you receive atropine and pralidoxime, tell your doctor if you have ever had:
- an allergy to any medication;
- heart problems, a heart attack, or coronary artery disease;
- high blood pressure;
- liver or kidney disease;
- asthma, COPD (chronic obstructive pulmonary disorder), bronchitis, emphysema, or other breathing problem;
- narrow-angle glaucoma; or
- an enlarged prostate, urination problems.
In an emergency situation it may not be possible to tell your caregivers if you are pregnant or breast-feeding. Make sure any doctor caring for your pregnancy or your baby knows you have received this medicine.
Atropine-Pralidoxime Side Effects
Get emergency medical help if you havesigns of an allergic reaction:hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Some of the side effects of atropine and pralidoxime may be similar to the symptoms of poisoning.Your caregivers will watch you closely to determine whether your body is responding well to the medication, or if you are having any serious side effects.
Tell your caregivers right away if you have:
- pounding heartbeats or fluttering in your chest;
- chest pain spreading to your jaw or shoulder;
- trouble swallowing;
- painful or difficult urination;
- little or no urination;
- unusual changes in mood or behavior; or
- blurred vision, tunnel vision, eye pain, or seeing halos around lights.
Side effects may be more likely in older adults.
Common side effects may include:
- dry mouth, dry nose, trouble breathing or swallowing;
- dry eyes, blurred vision, increased sensitivity to light;
- nausea, vomiting, constipation, stomach pain, bloating;
- fast heartbeats, increased blood pressure;
- feeling excited or confused;
- headache, dizziness, drowsiness;
- muscle weakness;
- dry skin, rash; or
- abnormal liver function tests.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Atropine can decrease sweating and you may be more prone to heat stroke for a short time after receiving this medication.
Other drugs may affect atropine and pralidoxime, including prescription and over-the-counter medicines, vitamins, and herbal products. If possible, before you receive this medicine, tell your doctor about all your current medicines.
Atropine and pralidoxime is injected into a muscle in your upper thigh. A healthcare provider will give you this injection.
Atropine and pralidoxime is usually given as soon as possible after the onset of poisoning symptoms. If you still have symptoms after 10 to 15 minutes, you will receive 2 more injections.
Your breathing, blood pressure, oxygen levels, kidney function, and other vital signs will be watched closely.
You may be watched for up to 72 hours to make sure the medicine has been effective and you no longer have any effects of the poison.
Since this medication is given by a healthcare professional in a medical setting, an overdose is unlikely to occur.
Overdose may occur if you receive atropine and pralidoxime but you have not actually been exposed to the specific poisons this medication is designed to treat.Symptoms may include vision problems, feeling unsteady, loss of balance or coordination, trouble concentrating, fast heart rate, confusion, hallucinations (seeing or hearing things), decreased sweating, hot and dry skin, fainting, weak or shallow breathing, or breathing that stops.
Since atropine and pralidoxime is used when needed, it does not have a daily dosing schedule.
Copyright 1996-2019 Cerner Multum, Inc.
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