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Summary Unlocking Pharmacology - Rhinits, Cough, Colds and Flu $4.54   Add to cart

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Summary Unlocking Pharmacology - Rhinits, Cough, Colds and Flu

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Welcome to the ultimate resource for mastering pharmacology! These notes provide a detailed explanation of Rhinitis, coughs, colds and flus as well as comprehensively categorizing each type of medication.

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  • March 22, 2024
  • 10
  • 2023/2024
  • Summary
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Rhinitis, Coughs, Colds
and Flu
Rhinitis
 Inflammation of nasal mucous membrane
 Infections:
- Viral (colds, flu)
- Bacterial (sinusitis)
 Non-infectious:
- Allergic
 Common symptoms:
 Nasal congestion, nasal itch,
rhinorrhoea and sneezing
 Allergen e.g., Dust mites, pollen
 IgE mediated (Allergen
immunoglobulin=IgE)
Antihistamines – H1 Antagonists
- Itching, sneezing, rhinorrhoea, ocular symptoms
- Little effect on congestion
- Non-sedating
Second Third Intranasal Short term
Generation Generation antihistami
nes
Loratadine Fexofenadin Azelastine Intermittent
e allergic
rhinitis
Cetirizine Levocabastin
e
 Intermittent or persistent

, Intranasal Corticosteroids
- Anti-inflammatory
- ↓ mucosal oedema, ↓ number of mast cells
- Little systemic effect (when given locally)
- Prophylactically – 2 weeks before onset of allergy
season
Drugs S/E
Beclomethason -Transient stinging, dry nose
e -Nasal bleeding, throat irritation
Fluticasone -Excessive use-adrenal suppression
Mometasone



Other Nasal Preps
Sodium Chloride (Saline)
- Drops (<2yrs), Spray.
- Nasal irrigation solution
- Improve mucociliary clearance.
- Irrigation solutions- flushing out-thick mucus,
crusts, debris
Cromoglycic acid (sodium cromoglycate)
- Intermittent allergic rhinitis
- Inhibits release of histamine, chemotactic factors-
mast cells

- Non-allergic (vasomotor)
 Chronic

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