10 Symptoms of Gastroenteritis
Symptom #6: Headaches
Serious flu can be quite debilitating. Not only can it cause nausea and muscle soreness, but flu can cause headaches. Headaches can range in their intensity and can be quite mild or very severe.
Typical NSAID medications can be useful for helping to ward off a headache, but, unfortunately, they might not sit well with the nausea.
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