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Drugs for Allergic Rhinitis
Terms in this set (13)
What are the 3 main drug used to treat allergic rhinitis?
What are the meds under Oral antihistamines?
1st generation diphenhydramine and 2n gen loratadine
What is the action of Oral antihistamines?
-Blocks histamine to relieve sneezing, rhinorrhea, and nasal itching
What are the side effect of Oral antihistamines?
Usually mild - sedation
-Anticholinergic effects - drying of nasal secretions, dry mouth, constipation, urinary hesitancy
What are the nursing considerations for Oral antihistamines?
Administer on a regular basis throughout the allergy season, even when symptoms are absent to prevent histamine receptor activation
What are the meds under Intranasal Glucocorticoids?
What is the action for Intranasal Glucocorticoids?
Prevent and suppress signs & symptoms of allergic rhinitis (congestion, rhinorrhea, sneezing, nasal itching, and erythema)
What are the side effects of Intranasal Glucocorticoids?
-Usually mild - drying of the nasal mucosa and a burning or itching sensation
-Sore throat, epistaxis, and headaches may occur
-Systemic effects are rare; may slow child's linear growth (slow, but not reduce)
What are the nursing considerations for Intranasal Glucocorticoids?
-Can be taken regularly to prevent signs & symptoms, as well as to treat the signs & symptoms when they appear
-Administer using a metered-dose spray device
-Full doses are given initially, then the dosage is reduced once symptoms are under control
-If nasal congestion is present, a topical decongestant should be used (if ordered) before glucocorticoid administration
What are the meds under Sympathomimetics?
What is the action of Sympathomimetics?
-Reduce nasal congestion by activating alpha1 adrenergic receptors on nasal blood vessels
-Topical administration results in a rapid response
-Oral administration results in a delayed response, but is longer acting
What is the side effect of Sympathomimetics?
-Rebound congestion develops when topical agents are used for more than a few days
-CNS stimulation - only with oral dosing
-Cardiovascular effects - with oral dosing
What are the nursing considerations for Sympathomimetics?
-Topical sympathomimetics should be used for no more than 3-5 consecutive days
-Clients that have HTN or CAD must use these cautiously
-Pseudoephedrine and ephedrine are associated with abuse because of CNS stimulation (produces effects similar to that of amphetamine)
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