Week 6: Cough and Cold Medications Flashcards

1
Q

Decongestant oral and nasal examples

A

Oral: Phenylephrine HCL, Pseudoephedrine (Sudafed) Nasal: Afrin

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2
Q

Oral decongestants MOA

A

Alpha 1 agonists (sympathomimetics) - they mimic the endogenous catecholamines of the sympathetic nervous system

  • produces vasoconstriction by stimulating the Alpha 1 receptors in the mucosa of the resp. tract, thus temporarily reducing swelling and inflammation

**used to treat symptoms

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3
Q

Decongestants cautions and ontraindications

A
  • avoid in HTN and CAD
  • oral not recommended in children < 4 years old - not recommended in pregnancy and lactation
  • avoid in combination with beta blockers - potentiate CV issues
  • topical/nasal: do not use for longer than 3 days (can cause rebound congestion)
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4
Q

Decongestants ADRs

A
  • anxiety, restlessness, headache, insomnia, psychological disturbances, tremors, HTN, tachycardia (fight or flight symptoms) - topical: nasal irritation and rebound congestions with prolonged use
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5
Q

Examples of Antitussive medications

A
  • Dextromethorphan
  • Codeine
  • Benzonatate
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6
Q

Dextromethorphan and Codeine MOA

A

-acts centrally in the medulla to elevate the threshold for coughing - affects serotonin - suppresses the cough reflex - risk for abuse

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7
Q

Benzonatate MOA

A
  • thought to anesthetize the stretch receptors in the respiratory passages, calming the cough - numbs the lungs - makes lungs more relaxed - does cross blood-brain barrier
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8
Q

Antitussive medications cautions/ contraindications

A
  • avoid in persistent/chronic cough caused by smoking, asthma, or emphysema
  • additive CNS depression when dextromethorphan or codeine is used with CNS depressants - can decrease respiratory drive
  • do not self-medicate for more than 7 days
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9
Q

Antitussive ADRs

A
  • dextromethorphan and codeine - drowsiness, dizziness, and GI upset
  • benxonatate - chest numbness, dizziness, GI upset, headache, and “chilly” sensation
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10
Q

Expectorant / Mucinex MOA

A
  • decreases the surface tension of mucus making the mucus more thin and loose for clearance
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11
Q

Expectorant/Mucinex indication for use

A
  • for cough due to common cold or upper respiratory infections
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12
Q

Expectorant/Mucinex ADRs

A
  • GI upset - diarrhea - nausea - vomiting
  • drowsiness - dizziness
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13
Q

Expectorant/Mucinex cautions/ contraindications

A
  • do not use for persistent cough
  • do not use for cough r/t heart failure or ACE inhibitor therapy
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