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How to identify the cause of allergy?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I am getting allergy once in three to four days, which causes rashes and swelling on the body. I take Cetirizine to control the allergy. The allergy is mostly due to unknown factors. Although, it could be because of cloth material I am wearing or bed sheets. Is there anything I can do to understand the cause of allergy to avoid its recurrence? I have been taking Cetirizine for years. Does that have any notable side effect?

Answered by Dr. Jyotisterna Mittal

Hi,

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I have read your query in detail and do understand your concern.

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Investigations to be done

It is very difficult to narrow down to one or more causative factors. There are many tests available like patch testing or immunoassays to point out the allergy-causing antigens, but practically they are not very useful. However, if there is any family history of autoimmune disorders like thyroid, you may get a thyroid profile done.

Treatment plan

1. You can continue with Cetirizine. 2. Alternatively, you may take Loratadine 10 mg or Hydroxyzine 25 mg (at night). The side effects are quite rare especially if the dose is taken after a variable gap of a few days.

Preventive measures

You may apply Calamine lotion as a soothing agent.

Answered byDr. Jyotisterna Mittal

Medically reviewed byiCliniq medical review team

Published At March 30, 2016
Reviewed AtOctober 9, 2024

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Jyotisterna Mittal
Dr. Jyotisterna Mittal

Dermatology

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