A member asked:

When i have a blocked nose and sinus pain i take cold and flu tablets and they help it when i take allergie ones they don't does this mean its colds?

A doctor has provided 1 answer
Dr. John Chiu answered

Not necessarily: Cold tablet usually contains a decongestant when antihistamine does not. Since oral antihistamine does not decongest the nose , whether you have allergy or not cannot be solely differentiated by the drug response. Allergy does not usually cause a fever, loss of appetite, or extreme fatigue however.

Answered 12/28/2014

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