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.