Drugs for Allergic Rhinitis (week 5) Flashcards
What is the MOA of Intranasal Glucocorticoids?
Acts on cells and mediators of inflammation
What are intranasal Glucocorticoids used for?
Prevention & treatment of seasonal and perennial rhinitis
What are some adverse effects of Intranasal Glucocorticoids?
Drying of nasal mucosa
Sore throat
Adrenal Insufficiency
Name a First-generation H1 receptor antagonist
Diphenhydramine (Benadryl)
What is the MOA of Diphenhydramine (Benadryl)?
Antagonizes the effects on histamines at H1-receptor sites
What is Diphenhydramine (Benadryl) used for?
Hypersensitivity reactions
Motion Sickness
Insomnia
What can Diphenhydramine (Benadryl) do?
Cross the blood brain barrier
Name a Second Generation H1 Receptor Antagonist
Fexofenadine (Allegra)
What is the MOA of Fexofinadine (Allegra)?
Antagonizes the effects of histamine at peripheral H1 receptors
What is Fexofenadine (Allegra) used for?
Relief of symptoms of seasonal allergic rhinitis
What are some adverse effects of Fexofinadine (Allegra)?
Headache
Dizziness
Impaired Renal Function
What can Fexofinadine (Allegra) interact with?
Magnesium and aluminum-containing antacid
What comes second in treatment to Glucocorticoids?
Intranasal Cromolyn Sodium
What is the MOA of Intranasal Cromolyn Sodium?
Suppresses release of histamine and other inflammatory mediators from mast cells
What is Intranasal Cromolyn Sodium used for?
Allergic Rhinitis Prophylaxis
What are some precautions with Intranasal Cromolyn Sodium?
Do not use to treat sinus infection, asthma, or URI
Name a Sympathomimetic
Pseudoephedrine (Sudafed)
What is the MOA of Psuedoephedrine (Sudafed)?
Stimulated alpha- & beta- adrenergic receptors
Produces Vasoconstriction
What is the use of Psuedoephedrine (Sudafed)?
Temporary relief of symptoms associated with acute viral URI
What are some adverse effects of Psuedoephedrine (Sudafed)?
Anxiety Palpitations HTN Insomnia AFib MI PVC
What are some contraindications of Psuedoephedrine (Sudafed)?
Hypersensitivity to sympathetic amines
Severe HTN
Severe CAD
What drug can be used to make Meth?
Sudafed
Name a Nasal Spray Decongestant
Oxymetazoline (Afrin)
What is the MOA of Oxymetazoline (Afrin)?
Acts directly on alpha 2 receptors to produce vasoconstriction