Reassurance and<unk> tient education
Consider anxiolytic (e.g. 1-2mg Lorazepam (Ativan) IV/IM/PO or 50-100mg Hydroxyzine IM)
Use of a brown<unk> per bag or face mask for rebreathing has been a traditionally described treatment
Was thought to increase the re-ventilation of expired CO2
However, may result in morbidity and even death if erroneously applied to<unk> tients who were hypoxic or have other underlying disorder (e.g. myocardial ischemia) 
Any benefit provided is the result of the reassurance of “instructional manipulation” and<unk> tient belief in the treatment, rather than the elevated FiCO2.
Was thought to increase the re-ventilation of expired CO2
However, may result in morbidity and even death if erroneously applied to<unk> tients who were hypoxic or have other underlying disorder (e.g. myocardial ischemia) 
Any benefit provided is the result of the reassurance of “instructional manipulation” and<unk> tient belief in the treatment, rather than the elevated FiCO2.
Panic attack
Pulmonary
Heat syncope
Airway obstruction
Heat stroke
Anaphylaxis
Electrical storm
Angioedema