allergy, cough and cold treatments
TRANSCRIPT
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Allergy, Cough Allergy, Cough and Cold and Cold
TreatmentsTreatmentsAntihistaminesAntihistaminesDecongestantsDecongestants
AntitussivesAntitussivesExpectorantsExpectorants
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Causes of RhinitisCauses of Rhinitis• Allergic
– Seasonal– Perennial
• Infectious– Viral, Bacteria,
Fungal
• Occupational– Intermittent– Persistent
• Nasal Irritants
• Drug Induced– ASA, NSAIDS
• Hormonal– Pregnancy, Thyroid
• Food– Lemon, MSG
• Anatomic– Mucosal & bone
atrophy
• Idiopathic
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Symptoms of Allergic Symptoms of Allergic RhinitisRhinitis
• Itchy nose, ears, palate, throat• Red, watery eyes• Sneezing episodes• Thin, clear rhinorrhea, cough• Nasal congestion, post nasal drip• Snoring, sleep disturbances• Altered hearing, frontal headaches
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AntihistaminesAntihistamines• Therapeutic Use
– Allergy,insomnia, rash,nausea, vomiting
• Mechanism - Histamine1 receptor antagonist
• Side Effects– Sedation, dizziness– Anticholinergic : dry mouth, blur vision,
constipation & urinary retention– Hyperactivity in some children
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Antihistamines Antihistamines contcont..• First Generation
– Diphenhydramine– Dimenhydrinate– Clemastine/Meclizine– Chlorpheniramine
• Others– Azelastine, Hydroxyzine
HCL, Hydroxyzine Pamoate, Promethazine
• 2nd Generation– Fexofenadine– Loratadine– Cetirizine
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Deconsal II (phenylephrine 20mg & guaifenesin 375mg)
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DecongestantsDecongestants• Mechanism of action• Side effects & caution with concurrent dz.• Rhinitis Medicamentosa
Topical Duration Dose
Oxymetazoline 12 hr 2 puffs q 12
Phenylephrine 4 hr 2 puffs q 4h
Oral
Pseudoephedrine 4-6hrSR12hr
60mg q 4-6h120 mg q 12
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Intranasal SteroidsIntranasal Steroids
Medication Onset SpecialUses
Beclomethasone(Beconase)
Within 3 days Nasal polypprevention
Budesonide(Rhinocort)**
10 hours Non-allergicrhinitis
Fluticasone(Flonase) **
12 hours Non-allergicrhinitis
MometasoneFuroate **(Nasonex)
7-12 hours Seasonal allergy prophylaxis
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Side Effects of Intranasal Side Effects of Intranasal CorticosteroidsCorticosteroids
• Local Reactions– Nasal burning and stinging– Sneezing, throat irritation– Drying of the mucous membranes
• Systemic Reactions– Headaches– Nausea, vomit, dizziness
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Ocular PreparationsOcular Preparations
DRUG CLASS Drug Name
Antihistamine Livostin (Levocabastine)
Mast Cell Stabilizer Crolom (Cromolyn)
NSAID Acular (Ketoralac)
AH-DG combo OpconA, Naphcon A
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Allergy Rhinitis Treatment Allergy Rhinitis Treatment PlanPlan
• Most effective when start before onset of symptoms.
• Compliance• Maintenance therapy
Mild antihistamine/decongestant or combo non sedating preferred OR intranasal steroid spray
Moderate intranasal steroid spray, antihistamine-decongestant combo, >2-3 months consider immunotherapy
Severe intranasal steroid, AH-DG combo, consider short course 3-7 days oral corticosteroid, consider immunotherapy
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AntitussivesAntitussives• Suppress coughing• Effective in dry, non-productive• MOA
– CNS depression of the cough center• Block transmission to the brain
– Suppression of the nerve receptors in the respiratory tract• Block irritation of receptors
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Side Effects AgentsSide Effects Agents• Anesthetizing• Drowsy• Impair motor co-
cordination• Impair vision• Constipation• Urinary retention
• Benzonatate (Tessalon)
• Codeine• Dextromethrophan• Diphenhydramine• Hydrocodone-
homatropine
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ExpectorantsExpectorants• Defined• Mechanism of Action• Indication• Side Effects
• Guaifenesin (Robitussin, Mucinex, Humibid)
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Summary SlideSummary Slide• Causes of Rhinitis• Symptoms of Allergic Rhinitis• Antihistamines, Decongestants• Intranasal Steroids & Side Effects• Ocular Preparations• Antitussives• Expectorants