Doctor insights on:
Seizure Dilated Pupils
Seizures (Uncontrollable Jerking Of Limbs) (Definition)
A seizure is a symptom in which a person has a convulsion or epileptic attack, usually involving jerking movements of the head, limbs, and rest of the body. It represents abnormal brain function, and can be caused by fever (mainly in young children), by brain infections or tumors, by drug abuse or overdoses, by chemical imbalances, sleep deprivation, etc. ...Read more
Unequal pupils = ER: If someone has asymmetrical eye dilation and dizzy spells they should have someone drive them to the ER immediately. They may have a bleed on the brain or a brain tumor. They should NOT wait for a visit with their pcp or go to urgent care. There are some people who have asymmetrical pupils normally - but this is very uncommon. ...Read more
Adrenaline surge...: Adrenaline is the principal mediator of the "fight or flight" response. This prepares your body for immediate action. Pupils dilate to increase light transmission, heart rate and blood pressure go up and blood is shunted away from other organs to the skeletal muscles. If this occurring in the absence of a stimulus, it is likely due to hypoglycemia or low blood sugar. Check for Insulin resistance. ...Read more
Pupil dilation: When you look at your eye is the mirror, the dark circle in the center is the pupil. Dilating drops make the pupil larger and allow a more complete eye exam robe performed. Dilation takes about 15-20 minutes and lasts 3-4 hours or longer (depending on which drops are used). ...Read more
Not usually: Dilated pupils can occur as a side effect of various medications and several illicit drugs. Serious medical conditions such as serotonin syndrome can also cause this. Insomnia for a night or two would not usually result in dilated pupils. How long have you had insomnia? Have you been depressed or started a new medication? See your doctor to be sure and bring a list of all drugs, herbals takin ...Read more
Have IIH, taking Topamax (topiramate). Have nausea, headache, diarrhea, eye blurriness/pain/grey tint to vision, grey/blck/whte blurs. Pupils rapidly grow/shrink.
Not really: It depends on the location of the aneurysm. If the aneurysm is in posterior communicating artery then it leads to compression of the third cranial nerve. What does it mean that the person may have a dilated pupil with some double vision 2/2 eye muscle imbalance and droopy eye lid. ...Read moreSee 1 more doctor answer
Not always.: Not necessarily. The pupils' size and reaction depends on the type of insult to the brain. ...Read more
Eye traumaic pupilary mydriasis. Pilocarpine eye used pupil got small but vision got blurr what to do ?
Serotonin effect: Ssris increase serotonin levels in nerves throughout the body, including the eye. Excess serotonin acting on the 5-ht7 and 5-ht2a/2c receptors in the eye produce relaxation of the pupil and passive dilation. This effect is countered by the 5-ht1a receptor which contracts the muscle. However, when both receptors are simultaneously stimulated, the predominant effect is mydriasis (dilation). ...Read more
Sudden bilateral pupil dilation in normal light, pupils responded to direct light but returned to dilated size, normalised after 10mins. Cause?
Pupil dilation: Many causes of pupil dilation, including emotions - higher levels of circulating adrenaline, which occur during times of excitement or fear. drugs - from eye drops to hallucinogenics. Especially drugs that are anticholinergic light - low light, or a problem with receiving light on the retina neurologic problem - from the optic nerve to the part of the brain that regulates the eyes. ...Read more