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Chapter 7 Presentation

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Pharmacology terms

Pharmacology terms

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  • 1. Chapter 7 presentation
    Antihistamines
    Antitussives
    Decongestants
  • 2. Antihistamines
    Antihistamines are a type of drug medicine used for allergies and hay fever symptoms such as:
    Runny nose / itchy nose
    Sneezing
    Watery eye
  • 3. Antihistamines cont’d
    Many Antihistamines are available over the counter and come in many forms:
    Nasal spray
    Tablet
    Liquid forms
  • 4. Antihistamines cont’d
    Some examples of brand name Antihistamines are the following:
  • 5. Antihistamines cont’d
    How do they work?
    The histamine from the medication acts as a competitive inhibitor and blocks the histamine from binding to the histamine’s receptor site to cause allergy like symptoms.
  • 6. Antihistamines cont’d
    Precautions
    Avoid alcohol, sedatives, tranquilizers or any drug that may cause drowsiness.
    Do not use if breastfeeding, have narrow-angle glaucoma or have allergies to Antihistamines
    Side Effects
    Drowsiness, dry mouth, urine retention and blurred vision
  • 7. Antitussives
    Type of drug medicine used to suppress and relieve cough symptoms such as the following:
    Dry cough (cough suppressant)
    Coughs with phlegm (cough exportant)
  • 8. Antitussives cont’d
    Many Antitussives are available over the counter and come in mostly two forms:
    Liquid
    Cough drops
  • 9. Antitussives cont’d
    Some examples of brand name Antitussives are the following:
  • 10. Antitussives cont’d
    Precautions
    Can cause complications for people who have asthma, heart failure, high blood pressure, glaucoma or enlarged prostate
    Don’t overuse! Some products contain alcohol
    Side Effects
    Drowsiness
  • 11. Decongestants
    Decongestants are a type of drug medicine to reduce nasal congestion symptoms such as the following:
    Watery eyes
    Stuffy head and nose
  • 12. Decongestants cont’d
    Many Decongestants are available over the counter and come in the following forms:
    Liquid capsules
    Liquid
    Nasal spray
  • 13. Decongestants cont’d
    Some examples of brand name decongestants are the following:
  • 14. Decongestants cont’d
    How do they work?
    Reduce nasal decongestion by narrowing blood vessels and reduce blood flow to nasal passage
  • 15. Decongestants cont’d
    Precautions
    Use only as temporary relief. Longer than needed use can cause worse congestion
    Individuals should not use if have high blood pressure, coronary heart disease or narrow-angle glaucoma
    Side Effects
    May increase blood pressure, swell nasal passage with overuse, cause difficulty sleeping