Skip to content
Check Your Symptoms Find A Doctor Find Lowest Drug Prices

    Subscribe

    WebMD Symptom Checker

    Advertisement

    WebMD Symptom Checker

    Enlarged (dilated) pupils and Unequal pupils (size)

    WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms enlarged (dilated) pupils and unequal pupils (size) including Eye injury, Normal variation, and Cocaine abuse.

    There are 10 conditions associated with enlarged (dilated) pupils and unequal pupils (size). 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.

    • Eye injury

      There are many types of eye injury, and symptoms include eye pain, burning, irritation, bleeding, and more.

    • Normal variation

      Normal variation, or anisocoria, is unequal pupil size, and can cause a droopy eyelid or double vision.

    • Cocaine abuse

      Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it.

    • Medication reaction or side-effect

      Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.

    • Stroke

      A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.

    • Methamphetamine use

      Methamphetamine use causes increased blood pressure, rapid heart rate, enlarged pupils, sweating, and more.

    • Horner's syndrome

      Horner syndrome is a rare condition that can cause a drooping eyelid, decreased sweating, and a small pupil.

    • Brain injury

      Brain injuries can cause problems with memory, attention, sight, language, movement, and mood.

    • Adie's pupil

      Adie's pupil is a rare disorder usually affecting only one eye, causing blurry or distorted vision in the eye.

    • Brain tumor

      Primary brain tumors are often benign but can cause seizures, ongoing headaches, or loss of coordination.

    Advertisement