Allergic and non-allergic skin reactions associated with growth hormone therapy: elucidation of causative agents.

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Mehta S, Oza V, Potashner R, Zamora P, Raisingani M, Shah B

Allergic and non-allergic skin reactions associated with growth hormone therapy: elucidation of causative agents.

J Pediatr Endocrinol Metab. 2018 Jan 26;31(1):5-11. doi: 10.1515/jpem-2017-0309.

PubMed ID
29197220 [ View in PubMed
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Abstract

BACKGROUND: Allergic and non-allergic skin reactions to recombinant human growth hormone (rhGH) are uncommon and infrequently reported. However, physicians should be aware of these potential side effects to determine whether the reactions constitute true allergies and how to proceed with growth hormone therapy. To review allergic and non-allergic skin reactions caused by rhGH and subsequent diagnostic workup and management options. CASE PRESENTATION: We report the case of a 12-year-old healthy male presenting with idiopathic short stature. He developed an itchy skin rash over the chest and abdomen, 15 min after administration of the first dose of rhGH, leading us to review allergic and non-allergic skin reactions to rhGH. In our patient, an immediate skin reaction after administration of rhGH prompted a concern about a type I hypersensitivity reaction (HS) and the discontinuation of rhGH. However, after a dermatologic evaluation and observed administration of rhGH without subsequent rash, the initial eruption was likely an exacerbation of his underlying atopic dermatitis and a type I HS was felt to be unlikely. The rhGH was resumed and he has been on rhGH for the past 1 year with no recurrence of rash and with improvement in growth velocity. CONCLUSIONS: Though rare, allergic and non-allergic skin reactions are known to occur with rhGH. It is important to know if the allergic reaction was due to the growth hormone molecule or one of the preservatives. It is also important to consider a non-allergic reaction due to flare up of underlying skin disorders as in our patient.

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