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A member asked:

Can allergic rhinitis cause brain fog? what can be done about it?

A doctor has provided 1 answer

Not really: Take an antihistamine daily or use a nasal spray such as Nasocort or Flonase daily. The nasal sprays may have a mild effect on raising blood sugar.

Dr Chuu agreed

Answered 11/10/2019

3.8k views

Thank

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