Relieve sneezing, rhinorrhea, itching
- Most effective when taking prophylactically
H1 Antagonists Uses
H1 Antagonists contradictions
Selectively bind to H1-histamine receptors, blocking their action
H1 Antagonists MOA
H1 Antagonists Nusring Considerations
Administer with food
Administration for motion sickness
Take at bedtime
H1 Antagonists Patient Education
H1 Antagonists first generation
-Not sedating (usually)
-No anticholinergic effects
Examples:
*cetirizine (Zyrtec)
loratadine (Claritin)
fexofenadine (Allegra)
H1 Antagonists second generation
-new borns, children under 2, and women who are breastfeeding or pregnant
-contraindicated in clients who have narrow-angle glaucoma, prostatic hypertrophy, acute exacerbation of asthma
H1 Antagonists contradications
Intranasal Glucocorticoids
fluticasones (Flonase)
The most effective medications for allergic rhinitis d/t anti-inflammatory action
Intranasal Glucocorticoids/fluticasones (Flonase) uses
dry mucosa, epistaxis, headache, sore thoat, nasal irritation
Intranasal Glucocorticoids/fluticasones (Flonase) adverse effects
Intranasal Antihistamines
Azelastine (Astelin)
-Second generation
-Benefits are equal to oral antihistamines
-In theory, should have less systemic adverse effects
-Adverse Effects: nasal dryness, epistaxis, headaches
Intranasal Antihistamines/Azelastine (Astelin)
Decongestants
Nasal oxymetazoline (Afrin)
-nasal phenylephrine (neo-synephrine)
-oral pseudoephedrine (Sudafed)
Decongestants examples
-reduces swelling of nasal mucosas (aka sympathomimetics, alpha 1 agonists) 0 only relieves nasal congestion
Decongestants/Nasal oxymetazoline (Afrin) MOA
Oral: restlessness, anxiety, insomnia, vasoconstriction (HTN)
Nasal: Rebound congestion (wean with nasal glucocorticoid)
Potential for abuse – purchase limitations on oral tabs
Decongestants/Nasal oxymetazoline (Afrin) adverse effects
Inhaled Corticosteriods (ICS): Glucocorticoids MOA
Inhaled Corticosteriods (ICS): Glucocorticoids Adverse Effects
Beclomethasone
dipropionate
(QVAR)
fluticasone
(Flovent)
Glucocorticoids-inhaled protypes
-effects develop slowly
-attach a spacer
-antifungal therapy
-oral hygeines
-give routinely, rather than PRN
-Inhaled beta 2 agonist first
Glucocorticoids-inhaled Nursing considerations
Glucocorticoids-inhaled contradictions and precautions
prednisone
Glucocoriticoids oral prototype
Glucocoriticoids oral/prednisone Nursing considerations