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Is it flu or allergies?

Published in Flu vs Allergies 1 min read

Determining whether you have the flu or allergies can be tricky since some symptoms overlap. Here's a breakdown to help differentiate between the two:

According to information from Emerson Hospital, key differences can be identified by analyzing symptoms.

Key Symptom Differences

SYMPTOMS ALLERGIES FLU
Fever No
Headache Sometimes
Nasal Congestion Sometimes
Runny Nose Sometimes

Key Distinctions Explained

  • Fever: A fever is a hallmark symptom of the flu but is not associated with allergies.
  • Headache: While headaches can occur with both, they are more common with the flu.
  • Nasal Congestion & Runny Nose: Both are common in allergies, though the flu can sometimes cause them as well.

Therefore, if you have a fever, it's more likely the flu. If you're experiencing primarily nasal congestion and a runny nose without a fever, allergies are more likely.