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Management of exercise-induced bronchoconstriction (EIB)

Management of exercise-induced bronchoconstriction (EIB)
Clinical problem Intervention Comments
All patients with EIB Educate about features of exercise that are likely to provoke EIB (eg, effect of temperature, dry air, intensity of exertion, allergens, pollution) and measures for mitigation  
Educate about use of SABA to treat EIB symptoms (eg, albuterol two puffs)  
Educate about use of SABA or other agent to prevent EIB  
Advise caution about vigorous exercise when asthma is poorly-controlled  
Patients intolerant of SABA Try one puff of albuterol instead of two May not provide adequate prevention of EIB symptoms.
Review inhaler technique and consider use of spacer/chamber  
Improve general control of asthma (eg, with inhaled glucocorticoid) to reduce need for prophylaxis If asthma not well-controlled (based on frequency/severity of symptoms or need for rescue inhaler, low peak flow or FEV1), add inhaled glucocorticoid. If asthma is otherwise well-controlled, try alternate preventive agents.
Try alternate SABA (eg, levalbuterol)* Try levalbuterol if above interventions are unsuccessful and levalbuterol is available. Levalbuterol can also be used for breakthrough symptoms. May not completely eliminate adverse effects of SABA.
Try regular use of LTRA*Δ LTRA may be more effective in children than adults.
Try ipratropium two puffs, 20 to 30 minutes prior to exercise*Δ  
Substitute cromolyn or nedocromil (where available) for SABA for prophylaxis*Δ  
EIB refractory to SABA Add regular use of LTRA  
Improve general control of asthma (eg, with inhaled glucocorticoid)  
Use cromoglycate with SABA as prophylaxis (where available)  
Reassess diagnosis  
Patients who exercise for more than three hours or more than once per day Avoid LABA monotherapy or daily use of SABA Tachyphylaxis may occur with daily SABA or LABA.
Try LTRA May be more effective for prevention of EIB in children than adults.
Improve general control of asthma (eg, with inhaled glucocorticoid)  
Patients who exercise in extreme conditions (eg, high intensity or in dry cold air) Try methods for mitigation (eg, warm-up, scarf or face mask), depending on setting  
Empiric trial of combination albuterol-ipratropium 20 to 30 minutes prior to exercise  
SABA: short-acting beta-agonist; FEV1: forced expiratory volume in one second; LTRA: leukotriene-receptor antagonist; LABA: long-acting beta-agonist.
​* Choice between levalbuterol, LTRA, ipratropium, and cromoglycate is based on drug availability and patient/clinician preference.
¶ LTRA must be taken at least two hours prior to exercise if used episodically.
Δ Patient will still need to have a SABA inhaler available for treatment of breakthrough symptoms.
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