Page 154 - COMMUNITY PHARMACY PRACTICE

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Risk Factors/precipitating factors for Developing
Asthma (Asthma triggers)

• Genetic characteristics
• Occupational exposures
• Environmental exposures

Allergy Air Viral Stress and
Cold air pollutants respiratory emotions
/exercise Food and infections
Tobacco Drug-
312 food induced?
additives smoke

313

Drug induced Asthma

Predictable Unpredictable Others
brochoconstriction:

• beta blockers • Aspirin and other non- • Carbemazepine
• (used in the management steroidal drugs (NSAIDs)
• Parenteral drugs:
of hypertension, cardiac • (+ (COX) -2 inhibitors) penicillin, iron dextran
disorders, migraine and used for arthritis and complex, hydrocortisone,
glaucoma) inflammatory disorders. ipratropium bromide,
• cholinergic agents aminophylline, N-acetyl
• Symptoms:Flushing + cysteine
• (e.g. carbachol, rhinorrhoea, often within
pilocarpine) a few min-1 hr after • preservatives such as
administration. bisulfites, metabisulfites
• cholinesterase inhibitors and benzalkonium
• (e.g. pyridostygmine). chloride.

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