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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
hay fever symptoms
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1. runny nose
2. nasal congestion 3. sneezing 4. itching: nose, eyes, ears, throat 5. watery, red, irritated eyes |
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refer when
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1. unresponsive to OTC treatment
2. quality of life is seriously affected 3. unilateral nasal obstruction without rhinorrhea 4. impaired sense of smell (anosmia) 5. infection symptoms: a. persistent purulent nasal discharge b. facial pain and tenderness c. severe headache and fever (sinusitis) d. hearing loss, earache and fever (otitis media) |
6. asthma (wheezing, shortness of breath)
7. child <12, first episode 8. medication caused: aspirin, NSAIDs, vasodilator, oral contraceptive, extended use of nasal decongestants |
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use of antihistamine in hay fever
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1. rapid relief for sneezing and rhinorrhoea
2. fail for nasal congestion |
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sedating antihistamine's contraindication
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1. closed-angle glaucoma, increase intra-ocular pressure
2. pyloroduodenal obstruction 3. bladder neck obstruction 4. hyperthyroidism |
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sedating antihistamines and ADR
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1. cyclizine
2. cyproheptadine 3. chlorpheniramine 4. dexchlorpheniramine (Polaramine) 5. diphenhydramine 6. doxylamine 7. pheniramine 8. promethazine 9. trimeprazine |
1. sedation
2. anti-cholinergic effects (blurred vision, dry mouth, tachycardia) |
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less (new) sedating antihistamines
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1. fexofenadine (Telfast)
2. cetirizine (Zyrtec) 3. loratadine (Claritin) 4. desloratadine (Aerius) 5. levocetirizine |
cetirizine (Zyrtec) is more likely to cause sedation
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use of intranasal corticosteroid
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1. treatment of choice for moderate to severe symptoms
2. relieve and prevent a. allergic rhinitis b. congestive symptoms c. alleviate ocular symptoms |
1. symptomatic relief in 3-4 days
2. complete relief may take 2-4 WEEKS 3. use concomitantly oral/topical decongestant for the first 24-48 hours (not longer than 5 days) |
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nasal decongestants
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1. oral decongestants: rapid relief (contraindication: cardiovascular disease)
2. topical decongestants: should not be used more than 5 days to avoid rebound congestion 3. symptom relief in 24-48 hours |
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intranasal decongestants
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1. ephedrine
2. oxymetazoline 3. phenylephrine 4. tramazoline 5. xylometazoline |
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oral decongestants
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1. phenylephrine
2. pseudophedrine |
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intranasal corticosteroid's ADR
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1. nasal stinging, dryness and irritation
2. nose bleeding 3. sore throat, dry mouth and cough |
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intranasal saline
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1. relieve mucosal irritation and dryness
2. decreasing nasal stuffiness, rhinorrhoea and sneezing 3. counteract drying from INCS use |
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antihistamine eye drops
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persist allergic conjunctivitis (despite INCS and oral antihistamine)
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aritificial tears can alleviate mild symptoms
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ipratropium bromide
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may be added in intractable rhinorrhoea
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leukotriene receptor antagonist
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refer used in children with asthma/allergic rhinitis
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