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| SYMPTOMS | VIRUS | BACTERIA | ALLERGY | | | | | | | | Runny nose | Often | Rare | Often | | | Aching Muscles | Usual | Rare | No | | | Headache | Often | Rare | No | | | Dizzy | Often | Rare | Rare | | | Fever | Often | Often | No | | | Cough | Often | Sometimes | Rare | | | Dry Cough | Often | Rare | Sometimes | | | Sputum
Production | Rare | Often | Rare | | | Hoarseness | Often | Rare | Sometimes | | | Recurs at a particular season | No | No | Often | | | Only a single complaint: | Unusual | Usual | Unusual | | | (sore throat, earache, sinus | | | | | | pain,
or cough) | | | | | | Do antibiotics help | No | Yes | No | | | Can
the doctor help | Seldom | Yes | Sometimes | |
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