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Oral hyposensitization in nickel allergy
P Sjövall1, O B Christensen, H Möller
1Department of Dermatology, Lund University, General Hospital, Malmö, Sweden.
Journal of the American Academy of Dermatology
|November 1, 1987
Summary
Oral administration of nickel sulfate can reduce nickel allergy. A weekly dose of 5.0 mg for six weeks significantly lowered contact allergy, unlike a daily 0.5 mg dose.
Area of Science:
- Dermatology
- Allergology
- Immunology
Background:
- Nickel allergy is a common cause of allergic contact dermatitis.
- Current management often involves avoidance, which can be challenging.
- Oral immunotherapy is being explored as a novel treatment approach.
Purpose of the Study:
- To investigate the efficacy of oral nickel sulfate administration in reducing hypersensitivity in patients with nickel allergy.
- To compare different dosing protocols for oral nickel immunotherapy.
Main Methods:
- Two controlled studies were conducted with 24 patients each diagnosed with nickel allergy.
- Patients received either 5.0 mg of nickel sulfate weekly for 6 weeks or 0.5 mg daily.
- Patch test reactions were measured before and after treatment to assess allergy levels.
Main Results:
- The weekly 5.0 mg dose of nickel sulfate significantly reduced the degree of contact allergy.
- The daily 0.5 mg dose did not show a significant reduction in hypersensitivity.
- Patch test results indicated a diminished allergic response in the group receiving weekly high-dose nickel sulfate.
Conclusions:
- Weekly oral administration of 5.0 mg nickel sulfate is an effective strategy for diminishing nickel allergy.
- Oral immunotherapy with nickel sulfate shows promise for managing nickel-allergic contact dermatitis.
- Further research may optimize dosing and treatment duration for oral nickel immunotherapy.