Enlarged (Dilated) Pupils And Headache (Worst Ever)

Reviewed on 12/14/2022

Enlarged or dilated pupils can be seen in a dark environment. These can also indicate that a stroke or other lesion within the brain is present. Designated pupils can also be related to a medication reaction or side effect. The sudden onset of the worst ever headache can signal a medical emergency. Seek immediate medical care for sudden changes in pupil size and onset of the worst headache of your life. Always discuss concerning symptoms with your doctor.

While the list below can be considered as a guide to educate yourself about these conditions, this is not a substitute for a diagnosis from a health care provider. There are many other medical conditions that also can be associated with your symptoms and signs. Here are a number of those from MedicineNet:

At MedicineNet, we believe it is important to take charge of your health through measures such as a living healthy lifestyle, practicing preventative medicine, following a nutrition plan, and getting regular exercise. Understanding your symptoms and signs and educating yourself about health conditions are also a part of living your healthiest life. The links above will provide you with more detailed information on these medical conditions to help you inform yourself about the causes and available treatments for these conditions.

Symptoms & Signs A-Z List