Drug Cards:
SUFFIELD AMBULANCE AEMT MEDICATION REFERENCE BOOK
Last Updated: 6/6/2025
ACETAMINOPHEN
Generic Name: Acetaminophen
Trade Name: Tylenol
Class: Analgesic, Antipyretic
Mechanism of Action: Reduces the production of prostaglandins in the brain.
Indications:
Mild to moderate pain
Fever
Contraindications:
Hypersensitivity
Severe hepatic impairment or liver disease
Side Effects & Adverse Reactions:
Nausea
Vomiting
Constipation
Headache
Adult Dose:
325-1000 mg PO/IV/IO
Pediatric Dose:
10-15 mg/kg PO/IV/IO
Drug Interactions:
None
Duration of Action:
Onset: 30-60 minutes
Peak Effects: 1-3 hours
Duration: 3-8 hours
Special Considerations:
Use with caution in nursing women
Do not exceed 4 grams/day
How Supplied:
Liquid, tablets, suppositories, IV solution
ACTIVATED CHARCOAL
Generic Name: Activated charcoal
Trade Name: EZ-Char, Actidose, Liqui-Char
Class: Adsorbent
Mechanism of Action: Adsorbs toxic substances in the gastrointestinal (GI) tract to inhibit absorption into the bloodstream.
Indications:
Most oral poisonings and medication overdoses
Contraindications:
Comatose patients/altered mental status
Ingestion of corrosives, caustics, and petroleum products
Bowel obstruction
Side Effects & Adverse Reactions:
Nausea
Vomiting
Black stools
Diarrhea
Severe pneumonia if aspirated
Adult Dose:
1-2 g/kg PO/NG/OG
Pediatric Dose:
1-2 g/kg PO/NG/OG
Drug Interactions:
None
Duration of Action:
Onset: Immediate
Peak Effects: Variable
Duration: Until excreted (variable)
Special Considerations:
Does not adsorb cyanide, lithium, iron, lead, or arsenic.
How Supplied:
25-50 g in 125-250 mL bottles
ALBUTEROL
Generic Name: Albuterol Sulfate
Trade Name: Proair, Proventil, Ventolin
Class: Sympathomimetic
Mechanism of Action: Selectively binds to β-2 adrenergic receptors to cause smooth muscle relaxation in bronchioles, resulting in bronchodilation.
Indications:
Bronchospasm
Contraindications:
Hypersensitivity
Relatively contraindicated in extreme tachycardia and hypertension
Side Effects & Adverse Reactions:
Headache
Tachycardia
Hypertension
Nausea/vomiting
Chest pain
Cough
Palpitations
Tremors
Increased myocardial oxygen demand
Anxiety
Adult Dose:
2.5 mg in 2.5 mL NS (total 3 mL) via nebulizer with 6-8 L/min oxygen
Pediatric Dose:
2.5 mg in 2.5 mL NS (total 3 mL) via nebulizer with 6-8 L/min oxygen
Drug Interactions:
Synergistic effect with other sympathomimetics
β-blockers may blunt effects
Duration of Action:
Onset: 5-15 minutes
Peak Effects: 30-120 minutes
Duration: 3-4 hours
Special Considerations:
Can be combined with ipratropium bromide to create a DuoNeb.
How Supplied:
0.5%: 5 mg/mL (eye dropper bottle)
0.083%: 2.5 mg/3 mL (bullet)
ASPIRIN
Generic Name: Aspirin
Trade Name: Bayer, Ecotrin, St. Joseph
Class: Anti-platelet aggregator
Mechanism of Action: Inhibits platelets from forming thromboxane A2, which causes platelets to aggregate and arteries to constrict.
Indications:
Acute coronary syndromes (ACS)
Contraindications:
Hypersensitivity
Relatively contraindicated in patients with active peptic ulcers/GI bleeding
Bronchospasm
Abdominal pain
Side Effects & Adverse Reactions:
Prolonged bleeding
Nausea
GI bleeding
Heartburn
Adult Dose:
160-325 mg PO
Pediatric Dose:
Not recommended
Drug Interactions:
May cause excessive bleeding in patients taking other anticoagulants
Duration of Action:
Onset: 30-45 minutes
Peak Effects: Variable
Duration: Variable
Special Considerations:
Not recommended for use in pediatric patients due to Reye's Syndrome.
Total dose should not exceed 325 mg/day.
How Supplied:
81 mg chewable tablets
DEXTROSE
Generic Name: Dextrose
Trade Name: N/A
Class: Carbohydrate
Mechanism of Action: Supplies supplemental glucose in cases of hypoglycemia and provides short-term osmotic diuresis.
Indications:
Hypoglycemia
Contraindications:
Intracranial hemorrhage (relative)
Extravasation causes tissue necrosis
Pulmonary edema
Side Effects & Adverse Reactions:
Hyperglycemia
Cerebral ischemia
Adult Dose:
12.5-25 g repeated as necessary
Pediatric Dose:
0.5-1.0 g/kg
Drug Interactions:
None
Duration of Action:
Onset: 1 minute
Peak: Variable
Duration: Variable
Special Considerations:
Typically administered as 10% (D10W) solution.
Titrate to BGL greater than 80 mg/dL.
How Supplied:
D10W: 100 mg/mL (1 g/10 mL)
D25W: 250 mg/mL (2.5 g/10 mL)
D50W: 500 mg/mL (5 g/10 mL)
DIPHENHYDRAMINE
Generic Name: Diphenhydramine
Trade Name: Benadryl
Class: Antihistamine
Mechanism of Action: Binds to H-1 receptors to block actions of histamine.
Indications:
Allergy/Anaphylaxis
Contraindications:
Dystonia
None in emergency setting
Side Effects & Adverse Reactions:
Dizziness
Drowsiness
Hypotension
Nausea/vomiting
Adult Dose:
25-50 mg IV/IO/IM/PO
Pediatric Dose:
1 mg/kg IV/IO/IM/PO
Drug Interactions:
Potentiates effects of anticholinergics
Duration of Action:
Onset: Route dependent
Peak: Route dependent
Duration: Route dependent
Special Considerations:
Used in conjunction with epinephrine and corticosteroids for treatment of anaphylaxis.
How Supplied:
10 mg/mL and 50 mg/mL vials; 25 mg and 50 mg tablets
EPINEPHRINE
Generic Name: Epinephrine
Trade Name: Adrenalin
Class: Sympathomimetic
Mechanism of Action: Non-selectively binds to α1, β₁, and β₂ adrenergic receptors, increasing inotropy, chronotropy, dromotropy, automaticity, peripheral vasoconstriction, and bronchodilation.
Indications:
Cardiac arrest
Anaphylaxis
Severe bronchospasm
Symptomatic bradycardia
Non-hypovolemic shock
Contraindications:
None in cardiac arrest
Hypovolemia
Tachydysrhythmia
Relative: heart disease, tachycardia, hypertension
Side Effects & Adverse Reactions:
Hypertension
Headache
Increased myocardial oxygen demand
Nausea/vomiting
Syncope
Adult Dose:
Cardiac arrest: 1 mg 1:10,000 IV/IO every 3-5 minutes
Anaphylaxis/severe bronchospasm: 0.3-0.5 mg 1:1,000 IM
Shock/bradycardia: 2-10 mcg/min IV/IO infusion
Pediatric Dose:
Cardiac arrest: 0.01 mg/kg (0.1 mL/kg) 1:10,000 IV/IO every 3-5 minutes
Anaphylaxis/severe bronchospasm: 0.01 mg/kg 1:1,000 IM
Shock/bradycardia: 0.1-1.0 mcg/kg/min IV/IO infusion
Drug Interactions:
Incompatible with sodium bicarbonate and furosemide
β-blockers may blunt effects
Duration of Action:
Onset: Immediate
Peak: Minutes
Duration: Several minutes
Special Considerations:
Monitor blood pressure closely
May increase infarct size in patients having AMI
Correct hypovolemia before administering
How Supplied:
1 mg/mL vials and ampules (1:1,000)
1 mg/10 mL prefilled syringes (1:10,000)
FAMOTIDINE
Generic Name: Famotidine
Trade Name: Pepcid
Class: Antihistamine
Mechanism of Action: Binds to H2 receptors to block actions of histamine.
Indications:
Allergy/Anaphylaxis
Contraindications:
Hypersensitivity
AV Block
Dysrhythmia
Side Effects & Adverse Reactions:
Fever
Nausea/vomiting
Muscle cramps
Palpitations
Adult Dose:
10-20 mg IV/IO; 20-40 mg PO
Pediatric Dose:
Not recommended
Drug Interactions:
None
Duration of Action:
Onset: Within 1 hour
Peak: 1-3 hours IV; 1-4 hours PO
Duration: 8-15 hours IV; 6-12 hours PO
Special Considerations:
Typically used in conjunction with diphenhydramine to treat allergy/anaphylaxis.
How Supplied:
20 mg vials and tablets
GLUCAGON
Generic Name: Glucagon
Trade Name: Glucagen
Class: Pancreatic hormone
Mechanism of Action: Causes breakdown of glycogen stored in liver and skeletal muscles into glucose to increase blood glucose levels; small positive inotropic and chronotropic action on the heart; decreases renal vascular resistance; smooth muscle relaxation.
Indications:
Hypoglycemia where IV access cannot be obtained
Beta-blocker overdose
Calcium channel blocker overdose
Esophageal obstruction
Contraindications:
Hypersensitivity
Hyperglycemia
Dizziness
Side Effects & Adverse Reactions:
Headache
Tachycardia
Hypertension
Nausea/vomiting
Adult Dose:
Hypoglycemia: 0.5-1.0 mg IM, repeat in 5-10 minutes
Beta-blocker, calcium channel blocker toxicity: 3-10 mg IV/IO push followed by 3-5 mg/hr infusion
Pediatric Dose:
Hypoglycemia: 0.03-0.1 mg/kg IM, maximum 1 mg
Beta-blocker, calcium channel blocker toxicity: 0.05-0.15 mg/kg IV/IO push followed by 0.05-0.10 mg/kg/hr infusion
Drug Interactions:
None
Duration of Action:
Onset: 1 minute
Peak Effects: 5-20 minutes
Duration: 60-90 minutes
Special Considerations:
Ineffective if glycogen stores are depleted (hepatic failure, cirrhosis, hepatitis, etc.)
How Supplied:
1 mg powder with diluent included for reconstitution
IPRATROPIUM BROMIDE
Generic Name: Ipratropium bromide
Trade Name: Atrovent
Class: Parasympatholytic, anticholinergic
Mechanism of Action: Inhibits acetylcholine at the receptor sites of bronchial smooth muscle to cause slight bronchodilation and dry respiratory tract secretions.
Indications:
Bronchospasm associated with asthma and COPD
Contraindications:
Hypersensitivity
Side Effects & Adverse Reactions:
Headache
Cough
Nausea/vomiting
Dry mouth
Tachycardia
Gastrointestinal distress
Palpitations
Adult Dose:
0.5 mg nebulized at 6-8 L/min
Pediatric Dose:
0.5 mg nebulized at 6-8 L/min
Drug Interactions:
None
Duration of Action:
Onset: 1-3 minutes
Peak: 90-120 minutes
Duration: 4-6 hours
Special Considerations:
Only given in conjunction with albuterol in a Duo Neb. It is never administered alone.
How Supplied:
0.5 mg/2.5 mL "bullets"
LEVALBUTEROL
Generic Name: Levalbuterol
Trade Name: Xopenex
Class: Sympathomimetic
Mechanism of Action: Selectively binds to β-2 adrenergic receptors to cause smooth muscle relaxation in bronchioles, resulting in bronchodilation.
Indications:
Bronchospasm
Contraindications:
Hypersensitivity
Relatively contraindicated in extreme tachycardia and hypertension
Side Effects & Adverse Reactions:
Headache
Tachycardia
Hypertension
Palpitations
Nausea/vomiting
Chest pain
Cough
Tremors
Dry mouth
Anxiety
Increased myocardial oxygen demand
Adult Dose:
0.63 mg in 3 mL NS via nebulizer at 6-8 L/min oxygen
Pediatric Dose:
0.31 mg in 3 mL NS via nebulizer at 6-8 L/min oxygen
Drug Interactions:
Synergistic effect with other sympathomimetics
β-blockers may blunt effects
Duration of Action:
Onset: 5-15 minutes
Peak Effects: 60-90 minutes
Duration: 6-8 hours
Special Considerations:
Chemical variant of albuterol with higher affinity for β-2 adrenergic receptors.
How Supplied:
0.63 mg/3 mL "bullets"
LIDOCAINE
Generic Name: Lidocaine
Trade Name: Xylocaine
Class: Class I antidysrhythmic; sodium channel blocker; local anesthetic
Mechanism of Action: Blocks sodium channels to prolong Phase 0 of the action potential, thus decreasing ventricular automaticity. Little effect on atrial tissue.
Indications:
Ventricular fibrillation (VF) or ventricular tachycardia (VT) cardiac arrest refractory to defibrillation
Hemodynamically stable regular wide-complex tachycardia (VT)
Malignant PVCs
Local anesthetic for IO placement
Contraindications:
Bradycardia
High degree heart block
Hypersensitivity
Hypotension (except in cardiac arrest)
Cardiogenic shock
Side Effects & Adverse Reactions:
Confusion
Bradycardia
Heart block
Hypotension
CHF/pulmonary edema
Cough
Shortness of breath
Nausea
Dizziness
Seizures
Adult Dose:
1.0-1.5 mg/kg IV/IO followed by 0.5-0.75 mg/kg IV/IO in 5-10 minutes; max 3 mg/kg
Maintenance infusion: 2-4 mg/min
10 anesthesia: 40-100 mg titrated to pain slow push
VF/VT arrest: 1 mg/kg IV/IO (max 100 mg) every 3-5 minutes; maximum 300 mg total
Maintenance infusion: 20-50 mcg/kg/min
Pediatric Dose:
10 anesthesia: 40-100 mg titrated to pain slow push
Drug Interactions:
Metabolic clearance is reduced in patients taking beta-blockers and those with liver disease.
Duration of Action:
Onset: 1-5 minutes
Peak Effects: 5-10 minutes
Duration: 15-120 minutes
Special Considerations:
Reduce dose by 50% in elderly patients or in those with liver/renal disease.
How Supplied:
150 mg/mL vials or prefilled syringes
NALOXONE
Generic Name: Naloxone
Trade Name: Narcan
Class: Opioid antagonist
Mechanism of Action: Competitively binds to opiate receptors in the brain, displacing opiates and reversing their effects.
Indications:
Respiratory depression associated with opioid overdose
Contraindications:
None in emergency setting
Side Effects & Adverse Reactions:
Seizures
Nausea/vomiting
Pulmonary edema
Diaphoresis
Tachycardia
Dysrhythmia
Hypertension
Cardiac arrest
Adult Dose:
0.4-2.0 mg IV/IO/IM/IN; repeat at 5-minute intervals to a max of 10 mg
Pediatric Dose:
0.1 mg/kg IV/IO/IM/IN (max 2 mg/dose); repeat at 5-minute intervals as needed
Drug Interactions:
Increased respiratory depression when used with other CNS depressants
Duration of Action:
Onset: 2 minutes
Peak Effects: Variable
Duration: 30-60 minutes
Special Considerations:
Should be titrated to respiratory drive
Caution when administering to patients with opiate dependency (risk of withdrawal, violent behavior)
How Supplied:
0.4 mg/mL and 1 mg/mL vials, ampules, and prefilled syringes
NITROGLYCERIN
Generic Name: Nitroglycerin
Trade Name: Nitrostat, Nitro-Bid
Class: Nitrate
Mechanism of Action: Rapid smooth muscle relaxation causing a decrease in vascular resistance and preload, thereby lowering cardiac workload and to a lesser extent, causing coronary vasodilation.
Indications:
Acute coronary syndromes (ACS)
Congestive heart failure (CHF) / Pulmonary edema
Contraindications:
Hypotension
Hypovolemia
Erectile dysfunction medications (Cialis, Levitra, Viagra) taken in past 24-48 hours
Side Effects & Adverse Reactions:
Reflex tachycardia
Syncope
Burning at the absorption site
Dry mouth
Adult Dose:
ACS: 0.4 mg SL every 3-5 minutes; max 3 doses
CHF: 0.4-0.8 mg SL every 3-5 minutes
0.5-2.0 inches of transdermal NTG paste can be administered if SL NTG is effective
IV infusion: Begin at 10 mcg/min; increase by 10 mcg/min every 3-5 minutes until desired effect; max 200 mcg/min
Pediatric Dose:
Not recommended
Drug Interactions:
Additive effects with other vasodilators
Duration of Action:
Onset: 1-3 minutes
Peak Effects: 5-10 minutes
Duration:
SL: 20-30 minutes; IV: 1-10 minutes
Special Considerations:
Ensure no RV infarction by conducting right sided EKG for all inferior wall STEMIs.
Shield from heat and light
IV NTG should be administered with a vented IV set by IV pump only
How Supplied:
0.4 mg sprays and tablets; transdermal paste; 200 mcg/mL glass vials for IV infusion
ONDANSETRON
Generic Name: Ondansetron
Trade Name: Zofran
Class: Antiemetic
Mechanism of Action: Blocks serotonin receptors in the chemoreceptor trigger zone (CTZ) to reduce nausea.
Indications:
Prevention and control of nausea and vomiting
Contraindications:
Hypersensitivity
Prolonged QT interval
Heart block
Side Effects & Adverse Reactions:
Headache
Constipation
Diarrhea
Dry mouth
Adult Dose:
4 mg IV/IO/IM/PO
Pediatric Dose:
0.15 mg/kg (max 4 mg) IV/IO/IM/PO
Drug Interactions:
None
Duration of Action:
Onset: 1-30 minutes
Peak: 2 hours
Duration: 3-6 hours
Special Considerations:
May be given prophylactically prior to the administration of opioids.
How Supplied:
4 mg/2 mL vials, 4 mg tablets
RACEMIC EPINEPHRINE
Generic Name: Racemic epinephrine
Trade Name: Vaponefrin
Class: Sympathomimetic
Mechanism of Action: A chemical isomer of epinephrine that stimulates both α and β receptors with a slight preference for β₂ to cause bronchodilation.
Indications:
Relieves subglottic edema associated with croup
Contraindications:
Croup
Laryngeal edema
Epiglottitis
Significant cardiovascular disease
Side Effects & Adverse Reactions:
Hypertension
Tachycardia
Dysrhythmia
Headache
Increased myocardial oxygen demand
Nausea/vomiting
Syncope
Adult Dose:
N/A
Pediatric Dose:
0.25-0.75 mL of 2.25% solution in total of 3 mL via small volume nebulizer
Drug Interactions:
β-blockers may blunt effects
Duration of Action:
Onset: 5 minutes
Peak: 5-15 minutes
Duration: 1-3 hours
5 mg epinephrine 1:1,000 may be nebulized if racemic epinephrine is not available
How Supplied:
2.25% solution
LACTATED RINGERS
Generic Name: Lactated Ringers
Trade Name: LR, Lactated Ringers
Class: Isotonic crystalloid solution
Mechanism of Action: Replaces water and electrolytes. Lactated Ringers contains sodium, potassium, calcium, chloride, and lactate, which acts as a buffer changed to bicarbonate in the liver, helping correct metabolic acidosis while restoring circulating volume.
Indications:
Hypovolemia
Fluid resuscitation in shock (burns, trauma, dehydration)
Maintenance of fluid balance during surgery
Contraindications:
Hypertension
Congestive heart failure (CHF)
Pulmonary edema
Renal failure
Hyperkalemia (relative contraindications).
Side Effects & Adverse Reactions:
Fluid overload
Pulmonary edema
Electrolyte imbalance
Adult Dose:
30 mL/kg max dose, generally given in 250-500 mL boluses. Lung sounds should be assessed every 250 mL.
Pediatric Dose:
10-20 mL/kg max dose, be cautious of fluid overload.
NORMAL SALINE (0.9% Sodium Chloride Solution)
Generic Name: Normal Saline
Trade Name: NS
Class: Isotonic crystalloid solution
Mechanism of Action: Increases circulating plasma volume by replacing water and electrolytes, does not carry oxygen or expand intracellular fluid; remains primarily in the intravascular and interstitial spaces.
Indications:
Hypovolemia
Dehydration
Heat-related emergencies
Used as a medication diluent and IV maintenance fluid
Contraindications:
Congestive heart failure (use caution)
Pulmonary edema
Severe hypertension
Renal failure (use caution)
Side Effects & Adverse Reactions:
Fluid overload
Pulmonary edema
Dilutional effects on electrolytes
Adult Dose:
30 mL/kg max dose; generally given in 250-500 mL boluses. Lung sounds should be assessed every 250 mL.
Pediatric Dose:
30 mL/kg max dose; generally given in 250-500 mL boluses. Lung sounds should be assessed every 250 mL.