How to tell the difference between allergies and being sick?

In determining whether symptoms are due to allergies or a viral infection, factors like family history, time of year, and snot color can provide clues. Antihistamines can help differentiate between the two, with viral infections typically causing more severe symptoms like fatigue and muscle aches. Moving to a new location or job can also trigger allergies, requiring consultation with a pharmacist or doctor for appropriate treatment.

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