PEDS

Allergic Reaction or Anaphylaxis

Algorithm

Allergic Reaction: Mild (rash, urticaria, stable vital signs):

→ Pulse oximetry, if SPO2 less than 95%

High flow oxygen by mask as tolerated

Allergic Reaction: Moderate (facial/cervical angio-edema, SOB or wheezing):

→ Pulse oximetry, if oxygen saturation less than 95%
►High flow oxygen by mask as tolerated

Epinephrine 0.01 mg/kg IM (1 mg/mL) (maximum 0.3 mg)

Diphenhydramine: 1 mg/kg IM / IV (maximum 50 mg), may repeat once in 3 min

→ If wheezing present:

Albuterol: 5 mg (6 mL) nebulize continuous as tolerated

Anaphylaxis: Severe (hypotension, severe wheezing, SOB, impending airway obstruction):

→ Pulse oximetry, if oxygen saturation less than 95%
► High flow oxygen by mask as tolerated

Epinephrine IV preferred if established, if not use Epinephrine IM
Epinephrine 0.01 mg/kg IM (1 mg/mL) (maximum 0.3mg)
or

Epinephrine 0.01 mg/kg slow IV/ IO (0.1 mg/mL) (IV access is preferred, max 0.3 mg)

Diphenhydramine: 1 mg/kg IV/ IO (max 50 mg), may repeat once in 3 min

→ If wheezing present:
Albuterol 5 mg (6 mL) nebulize continuous as tolerated

If signs or symptoms of poor perfusion:
► Establish IV/IO access
Infuse 20 mL/kg NS bolus (Max 250 mL) may repeat twice to maintain perfusion

 

→ ALS escort to nearest PRC or BHO if no response to therapy or condition worsens

If cardiac arrest occurs, treat using cardiac arrest standing orders (SO-P-40)

 

1:10,000 = 0.1mg/mL

1:1000 = 1mg/mL

Call

M: 949-769-1162

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