In respiratory allergy patients, skin prick test results of local rat and mouse allergen extracts are not significant different from imported ones

Many researches proposed that rodent deteriorate symptoms in patients with respiratory allergy who sensitized. The test that can identify rodent sensitization will be very useful. The investigators found lots of problems from imported mouse and rat allergen extract, eg. expensive cost and hard to find importing agency in Thailand. Making own local allergen extract will be the good solution for the country. This study aim to compare the results of locally rat and mouse allergen to imported ones.

Inclusion Criteria:

• Patients age 3 to 60 years old who diagnosed with asthma or allergic rhinitis
• Patient must not take these following medication at least 7 days before doing the skin prick test: antihistamine, oral corticosteroid (more than 20 mg/day of prednisolone), topical steroid that was apply on skin test area.

Exclusion Criteria:

• Pateints who have other chronic underlying disease e.g. obesity, heart disease and liver disease
• Patient with allergic asthma who is still uncontrollable.
• Patient with active severe atopic dermatitis
• Patient who are pregnant or in lactating period
• Patient or parent deny to join in the study

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