Allergic Rhinitis Flashcards
What is Allergic Rhinitis? (2 points)
- Inflamm condition of nose
- Where nose becomes sensitive to allergens
What type of Hypersensitivity is Allergic Rhinitis caused by?
IgE-mediated Type 1 Hypersensitivity reaction
What are possible allergens that trigger Allergic Rhinitis? (3 things)
- House dust mites
- Tree pollen / grass
- Pets
What are the different types of Allergic Rhinitis? (3 things)
- Seasonal (hay fever)
- Perennial (all year) (house dust mite allergy)
- Occupational (school / work environment)
What are the CF of Allergic Rhinitis?
- Itchy / red / swollen eyes
- Itchy / blocked / runny nose
- Post-nasal drip
- Sneezing
What colour is the nasal discharge in Allergic Rhinitis?
Clear
What is the diagnosis of Allergic Rhinitis based on?
Hx
What investigations are useful in Allergic Rhinitis?
Skin prick testing
What will Skin prick testing help with in Allergic Rhinitis?
Find out exact allergy (e.g pollen / animals / house dust mite)
What are the Conservative Mx options for Allergic Rhinitis? (4 things)
- Avoid trigger
- Hoover regularly
- Change pillows regularly
- Good ventilation at home
What are the Medical Mx options for Allergic Rhinitis? (3 things)
- Antihistamines (take prior to exposure) (oral)
- Nasal antihistamines
- Corticosteroid spray (nasal)
What are the different types of Antihistamines? (2 things)
- Non-sedating antihistamines
- Sedating antihistamines
What are examples of Non-sedating antihistamines? (2 things)
- Cetirizine (ya saatir)
- Loratadine
What are examples of Sedating antihistamines? (2 things)
- Chlorphenamine (Piriton)
- Promethazine
When can you use NASAL antihistamines?
@ rapid onset of CF