Atropine And Pralidoxime Chloride
Generic Name: atropine and pralidoxime chloride
Brand Names:
Atnaa Atropine And Pralidoxime Chloride Auto-injector
11 DESCRIPTION Each prefilled ATNAA is a single-dose autoinjector that provides an intramuscular dose of atropine, a cholinergic muscarinic antagonist, and pralidoxime chloride, a cholinesterase reactivator, in a self-contained unit, specifically designed for automatic self- or buddy-administration by military personnel.
Overview
11 DESCRIPTION Each prefilled ATNAA is a single-dose autoinjector that provides an intramuscular dose of atropine, a cholinergic muscarinic antagonist, and pralidoxime chloride, a cholinesterase reactivator, in a self-contained unit, specifically designed for automatic self- or buddy-administration by military personnel.
Uses
1 INDICATIONS AND USAGE ATNAA is indicated for the treatment of poisoning by susceptible organophosphorus nerve agents having anticholinesterase activity in adults. ATNAA, a combination of atropine, a cholinergic muscarinic antagonist, and pralidoxime chloride, a cholinesterase reactivator, is indicated for the treatment of poisoning by susceptible organophosphorus nerve agents having anticholinesterase activity in adults. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION ATNAA is intended as an initial treatment as soon as symptoms appear; definitive medical care should be sought immediately. ( 2.1 ) Dosage for Mild Symptoms: If a service member experiences some or all of the mild symptoms, they should self-administer one injection intramuscularly into the lateral thigh muscle or buttocks. If, at any time after the first dose, the service member develops any of the severe symptoms or if the mild symptoms are not relieved, a buddy should administer two additional injections intramuscularly in rapid succession.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Cardiovascular Risks [see Warnings and Precautions (5.1) ] Heat Injury [see Warnings and Precautions (5.2) ] Acute Glaucoma [see Warnings and Precautions (5.3) ] Urinary Retention [see Warnings and Precautions (5.4) ] Pyloric Stenosis [see Warnings and Precautions (5.5) ] Exacerbation of Chronic Lung Disease [see Warnings and Precautions (5.6) ] The following adverse reactions associated with the use of atropine and pralidoxime chloride were identified in the literature. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Interactions
7 DRUG INTERACTIONS Succinylcholine and Mivacurium: Accelerated reversal of neuromuscular blocking effects may occur; monitor with concomitant administration. ( 7.1 ) 7.1 Succinylcholine and Mivacurium Since pralidoxime chloride in ATNAA reactivates cholinesterases and succinylcholine and mivacurium are metabolized by cholinesterases, service members poisoned by susceptible organophosphorus nerve agents having anticholinesterase activity who have received ATNAA may exhibit accelerated reversal of the neuromuscular blocking effects of succinylcholine and mivacurium (relative to poisoned service member who has not received pralidoxime). Monitor for neuromuscular effects with concomitant administration.
Warnings
5 WARNINGS AND PRECAUTIONS Cardiovascular (CV) Risks: Tachycardia, palpitations, premature ventricular contractions, flutter, fibrillation, etc. Use caution in individuals with known CV disease or conduction problems. ( 5.1 ) Heat Injury: May inhibit sweating and lead to hyperthermia; avoid excessive exercising and heat exposure. ( 5.2 ) Acute Glaucoma: May precipitate in susceptible individuals. ( 5.3 ) Urinary Retention : Administer with caution in individuals with bladder outflow obstruction. ( 5.4 ) Pyloric Stenosis: May convert into complete obstruction. ( 5.5 ) Exacerbation of Chronic Lung Disease: Atropine may cause inspiration of bronchial secretions and formation of dangerous viscid plugs in individuals with chronic lung disease; monitor respiratory status. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Atropine readily crosses the placental barrier and enters fetal circulation. There are no adequate data on the developmental risk associated with the use of atropine, pralidoxime chloride, or the combination in pregnant women. Adequate animal reproduction studies have not been conducted with atropine, pralidoxime chloride, or the combination. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.
Storage
Store between 20ºC to 25ºC (68 ºF to 77ºF); excursions permitted between 15ºC and 30ºC (between 59ºF and 86ºF) [See USP Controlled Room Temperature]. Not made with natural rubber latex. Keep from freezing. Protect from light.
Frequently Asked Questions
What is Atropine And Pralidoxime Chloride used for?▼
1 INDICATIONS AND USAGE ATNAA is indicated for the treatment of poisoning by susceptible organophosphorus nerve agents having anticholinesterase activity in adults. ATNAA, a combination of atropine, a cholinergic muscarinic antagonist, and pralidoxime chloride, a cholinesterase reactivator, is indicated for the treatment of poisoning by susceptible organophosphorus nerve agents having anticholinesterase activity in adults. ( 1 )
What are the side effects of Atropine And Pralidoxime Chloride?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Cardiovascular Risks [see Warnings and Precautions (5.1) ] Heat Injury [see Warnings and Precautions (5.2) ] Acute Glaucoma [see Warnings and Precautions (5.3) ] Urinary Retention [see Warnings and Precautions (5.4) ] Pyloric Stenosis [see Warnings and Precautions (5.5) ] Exacerbation of Chronic Lung Disease [see Warnings and Precautions (5.6) ] The following adverse reactions associated with the use of atropine and pralidoxime chloride were identified in the literature. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Can I take Atropine And Pralidoxime Chloride during pregnancy?▼
8.1 Pregnancy Risk Summary Atropine readily crosses the placental barrier and enters fetal circulation. There are no adequate data on the developmental risk associated with the use of atropine, pralidoxime chloride, or the combination in pregnant women. Adequate animal reproduction studies have not been conducted with atropine, pralidoxime chloride, or the combination. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.
What are the important warnings for Atropine And Pralidoxime Chloride?▼
5 WARNINGS AND PRECAUTIONS Cardiovascular (CV) Risks: Tachycardia, palpitations, premature ventricular contractions, flutter, fibrillation, etc. Use caution in individuals with known CV disease or conduction problems. ( 5.1 ) Heat Injury: May inhibit sweating and lead to hyperthermia; avoid excessive exercising and heat exposure. ( 5.2 ) Acute Glaucoma: May precipitate in susceptible individuals. ( 5.3 ) Urinary Retention : Administer with caution in individuals with bladder outflow obstruction. ( 5.4 ) Pyloric Stenosis: May convert into complete obstruction. ( 5.5 ) Exacerbation of Chronic Lung Disease: Atropine may cause inspiration of bronchial secretions and formation of dangerous viscid plugs in individuals with chronic lung disease; monitor respiratory status. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.