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    WebMD Symptom Checker

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    WebMD Symptom Checker

    Drowsiness, Headache, Lightheadedness and Poor concentration

    WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms drowsiness, headache, lightheadedness and poor concentration including Sleep apnea, Caffeine withdrawal, and Dementia in head injury.

    There are 98 conditions associated with drowsiness, headache, lightheadedness and poor concentration. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.

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