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Food Allergy

Stanley Fineman, MD Reviewed 06/2018
 


BASICS

DESCRIPTION

  • Hypersensitivity reaction caused by certain foods

  • System(s) affected: gastrointestinal, hemic/lymphatic/immunologic, pulmonary, skin/exocrine

  • Synonym(s): allergic bowel disease; dietar...

DIAGNOSIS

HISTORY

  • It is important to have a history of a temporal relationship of symptoms after food ingestion/exposure.

  • Symptoms are usually within 30 minutes of ingestion but could be delayed 4 to 8 ...

TREATMENT

GENERAL MEASURES

  • Avoidance of offending foods is the most effective mode of treatment.

  • Patients with severe food allergy should be meticulous about food avoidance. They should carry epinephrin...

ONGOING CARE

FOLLOW UP RECOMMENDATIONS

Patient Monitoring

As needed 

DIET

  • As determined by tests and clinical evaluation

  • Strict avoidance of offending food

PATIENT EDUCATION

  • Dietary counseling is advised to ...

REFERENCES

1
1 Sicherer SH, Sampson HA. Food allergy: epidemiology, pathogenesis, diagnosis, and treatment. J Allergy Clin Immunol.  2014;133(2):291–307. {L-End} {L-End} [View Abstract on OvidM...

ADDITIONAL READING

  • Du Toit G, Roberts G, Sayre PH, et al; for LEAP Study Team. Randomized trial of peanut consumption in infants at risk for peanut allergy. N Engl J Med.  2015;372(9):803–813. {L...

SEE ALSO

Anaphylaxis; Celiac Disease; Irritable Bowel Syndrome 

CODES

ICD10

  • T78.1XXA Oth adverse food reactions, not elsewhere classified, init

  • T78.00XA Anaphylactic reaction due to unspecified food, init encntr

  • L27.2 Dermatitis due to ingested food

  • L50.0 Allergic urt...

CLINICAL PEARLS

  • Up to 20% of children with peanut allergy may outgrow their sensitivity:

    • Periodic monitoring of the peanut-specific IgE levels every 2 years may be helpful. If the level of peanut-spe...

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