Allergy & Immunology Archives - Page 21 of 22 - Clinical Advisor

Allergy & Immunology

Beta blockers in patients with allergic reactions

Should patients who have had symptoms of an allergic reaction (e.g., lip swelling, hives, itching) be on beta blockers, which can halt the effects of epinephrine in anaphylaxis?—CARMEN BOOTH, ARNP-BC, Hahira, Ga. It has been recommended that susceptibility to recurrent anaphylaxis be added to the list of relative contraindications to beta-blocker use (CMAJ. 1987;136:929-933). Patients…

Do menthol products cause rhinitis medicamentosa?

I know that prolonged use of nasal decongestant sprays carries the risk of rhinitis medicamentosa, but do volatile/vapor compounds (e.g., menthol products) present similar risk?—KYLE BUSS, PA-C, MMS, Denver Rhinitis medicamentosa is caused by sympathomimetic amines (ephedrine and phenylephrine) and imidazoles (oxymetazoline and xylometazoline) and should not be caused by menthol products that do not…

Reaction to wood dust

A 42-year-old man lost 20 lb and suffered tachycardia, night sweats, anxiety symptoms, and shortness of breath for several weeks after constructing a deck with “pau laupe” wood from South America. Sawing and sanding put lots of dust in the air. Noteworthy lab studies at this time included transient blood sugar elevations up to 130…

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