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Doctor insights on: Causes Of Fixed Dilated Pupils

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What causes dilated pupils and racing pulse?

What causes dilated pupils and racing pulse?

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 (Definition)

The pupil is the opening in the iris inside of the eye though which light is focused on the retinal film at the back of the eye. The iris can open and close in response to light to vary the amount inside the eye. It is what looks red, in the ...Read more


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What causes intermittent dilated pupils with behavior problems in child?

What causes intermittent dilated pupils with behavior problems in child?

Emotions: Pupil dilation can be caused by an emotional state or arousal. There are also many drugs that can result in changes in pupils and then the same drugs are the cause of the behavior change. Consider a urine test to look for drug behavior changes. ...Read more

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I wake up with extremely dilated pupils there so big I can't even look in a mirror straight with out getting a wierd feeling. What causes this?

I wake up with extremely dilated pupils there so big I can't even look in a mirror straight with out getting a wierd feeling. What causes this?

Your normal,,,,: Variation of pupils. Many people have big pupils at night. As long as they react to light by getting smaller, you have no need to worry. ...Read more

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Does the prescription drug, prucalopride, cause dilated pupils?

Does the prescription drug, prucalopride, cause dilated pupils?

Resolor: I tried researching this for you. Are you obtaining prucalopride in the us? I was not able to find information regarding pupillary changes with this medication but did find an outstanding article. Check this site: <a href="http://www. Ncbi. Nlm. Nih. Gov/pmc/articles/pmc3263983/" rel="nofollow" target="_blank">http://www. Ncbi. Nlm. Nih. Gov/pmc/articles/pmc3263983/</a>. ...Read more

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Does having dilated pupils cause blurry vision?

Does having dilated pupils cause blurry vision?

Yes: Having your eye dilated for an eye exam can cause vision blurryness that is temporary. ...Read more

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How much time do dilated pupils last?

How much time do dilated pupils last?

Varies: On the type of drops used for dilation. If this was an in office dilation for an exam, the standard drops dilate the pupils anywhere between 4-8 hours. However sometimes it can last up to 24 hours. ...Read more

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How much time before dilated pupils regulate?

Depends.: The time it takes for your pupils to return to normal following dilation depends on what dilating drops you were given. Typical dilation lasts 4-6 hours. ...Read more

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Why do people who get high have dilated pupils?

Why do people who get high have dilated pupils?

Dilated pupils: Medications can cause the pupils to constrict or dilate depending on the medication. Opiates are know to cause pupillary constriction while pupillary dilation can occur with other drugs. Dilated pupils allow more light into the eye. ...Read more

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How long do the effects of heroine (dilated pupils) last?

Withdrawals: Pupillary constriction is associated with opiates & heroine on board body & actively causing drowsiness & euphoria. As opiates metabolize out of tissues, withdrawal symptoms of sympathetic overdrive set in; accompanied by pupillary dilatation, muscle contractions, sweating, anxiousness, & generally feeling horrible. Pupilllary size will normalize along with dissipation of withdrawal symptoms. ...Read more

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Dilated pupils in a 5 year old on a daily basis; is this normal?

Both same size: If both the same size no need to be concerned, however good idea to have the eyes examined. ...Read more

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How to get rid of dilated pupils?

Why?: Turning on the lights will do it. Unless of course the dilation is drug induced. ...Read more

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How to get rid of dilated pupils quicker?

Go see eye doctor: 1st need to find cause of dilated pupils. Are they symmetric? If not, need to get evaluated for anisocoria (https://www. Merckmanuals. Com/home/eye-disorders/symptoms-of-eye-disorders/pupils-unequal). Do they adjust to light? If not, we worry about medications & brain injury: http://www. Healthgrades. Com/symptoms/dilated-pupils. Bottom line: always look for cause before asking about treatment. ...Read more

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How long do dilated pupils from atropine sulfate ophthalmic last?

4-7 days: Atropine is a strong and persistent dilator of the pupil. It will last 3-7 days in most depending upon the biochemistry of the pupil and the color of the iris (darker is less long and blue eyes last the longest). ...Read more

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Waking up with dilated pupils.? Is that normal it's started again after I've been back on paxil (paroxetine).

Mydriasis: It's called mydriasis and it has been reported to occur in a few patients on paxil (paroxetine). It was studied as people with anxiety, depression, etc. Could have the same problem even without Paxil (paroxetine) and yes, it was found that it is a possible side effect. This gives the warning of use in people with narrow angle glaucoma causing pain. Talk to your doctor if it is bothersome (dizziness) for an alternative. ...Read more

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Is sunlight dangerous after having an examination with dilated pupils? I had to walk for 30 minutes without sunglasses and it was a very bright day.

Is sunlight dangerous after having an examination with dilated pupils? I had to walk for 30 minutes without sunglasses and it was a very bright day.

Prob OK: You should be fine as long as you didn't look directly at the sun. Sunglasses are nice, but you can also shade your eyes with your hands. If all else fails, you can squint. Many eye mds have temporary sunglasses available. ...Read more

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Anxiety and dilated pupils? When I have a panic attack they dilate is that normal?

Anxiety and dilated pupils? When I have a panic attack they dilate is that normal?

Common: It has been seen in many people with anxiety. It is supposed to be related to hormones produced and the neurotransmitters that are stimulated causing the radial muscles of the eyes to be stimulated and causing what is called mydriasis. ...Read more

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I'm getting lightheadedness, dizziness and dilated pupils when turning my head to the right. What could this be?

I'm getting lightheadedness, dizziness and dilated pupils when turning my head to the right. What could this be?

Circulatory problem: When you turn your head there might be some degree of arterial compression which can cause these symptoms, especially with the vertebral arterial circulation at the back of the spine. You should check in with a neurologist to have this evaluated as it might progress. ...Read more

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Baby fell off bed 3ft no side effects perfectly mobile no swelling of the head no dilated pupils, but I feel horrible what else should I do/ check?

Impact surface??: A fall into a thick padded carpet is less worrisome than a wooden floor or hard object. An infant that was not knocked out, but cried quickly & then settled may be ok. If soft spot is still open, a soft one is a good sign but a hard or bulging one is cause for worry. Any sunken in place in the skull should be evaluated. At the very least call babied doc & discuss what happened. ...Read more

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If cymbalta (duloxetine) is not known for raising BP can it be a symptom of a reaction to cymbalta (duloxetine) along with nausea, dilated pupils, feeling of being buzzed?

If cymbalta (duloxetine) is not known for raising BP can it be a symptom of a reaction to cymbalta (duloxetine) along with nausea, dilated pupils, feeling of being buzzed?

Actually it can: Since Cymbalta (duloxetine) increases norepinephrine- it can actually cause increased blood pressure and all the symptoms you describe. If you take stimulants- you can have addition catecholamine response. Take care. ...Read more

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Gave plasma yesterday, fainted twice, 1st fall felt like I was having convulsions but my bf said I wasn't moving, dilated pupils, nausea, what happened?

Gave plasma yesterday, fainted twice, 1st fall felt like I was having convulsions but my bf said I wasn't moving, dilated pupils, nausea, what happened?

Vaso vagal reaction: The blood elements that you had removed are not enough to cause what you have described. You had a vaso-vagal reaction which is a nervous and blood vessel reaction to the stress/fear/etc. Of the procedure to tap your bloodstream. This is rarely harmful unless the fall is in a situation that could harm you. ...Read more

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My son fell on the sidewalk and hit his head and now has a huge bump he seems ok but has a really bad headache and dilated pupils should I be worried?

Recommendation: The bump is consistent with local bruising, and if both eyes have dilated pupils, likely autonomic reaction to his pain. Although unlikely that he has intracranial problems such as bleeding, the bad headache may be rather debilitating. If he has trouble with vision, develops intense dizziness, nausea, vomiting, double vision, go to ER. Do contact your doctor about what has happened. ...Read more

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Abused medications, I have dilated pupils, cold sweats trembling, and dizziness what can I do?

Abused medications, I have dilated pupils, cold sweats trembling, and dizziness what can I do?

Go directly to hosp: You may be toxic, you maybe withdrawing, but regardless, you need immediate medical attention. Head for emergency dept NOW, get evaluated and treated. Once stabilized, enter a rehab program. You do NOT NEED TO SELF DESTRUCT. Act now and save your future. ...Read more

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Blurred vision, redness, dilated pupils, and dizziness are my symptoms, what could this possibly be?

Blurred vision, redness, dilated pupils, and dizziness are my symptoms, what could this possibly be?

OTC meds?: Benadryl (diphenhydramine) will do this (any anticholinergic medicine can do this) Eye conditions like gluacoma can cause this. The vision is often blurred if the pupils are dilated. Excessive stimulants can do this (caffeine). If you find yourself making frequent trips to the refrigerator as well, check to see if someone is spiking your Ovaltine with marijuana. Otherwise go see the eye doctor ...Read more

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Out of nowhere get really pale dry lips body shakes have to sit or will pass out hard breathing dilated pupils no response for few seconds.

Out of nowhere get really pale dry lips body shakes have to sit or will pass out hard breathing dilated pupils no response for few seconds.

Hyperventilation: People with seizures fall to the ground. You have shortness of breath which is the defining clue. Try breath holding exercises and relaxation therapies. Take adequate calcium (1 grm per day) and magnesium (500 mg per day). The website heartmath. Com will help you to relax. Valerian herb tea can be useful. ...Read more

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When allergy eye drops dilated pupils, does it damage the eye?

When allergy eye drops dilated pupils, does it damage the eye?

Usually no but..: You can cause a glaucoma attack if you have narrow angles. These type of drops are not really allergy drops they are vasoconstrictors, they make the eye look better because they shrink the blood vessels making the eye look less red. The best treatment is to remove exposure to the allergen barring that, antihistamine, steroid or other immunomodulating eye drops. ...Read more

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My daughter will be 6 years old december 16th has dilated pupils, heart palpitations, and has experienced confusion. Could it be hypoglycemia?

My daughter will be 6 years old december 16th has dilated pupils, heart palpitations, and has experienced confusion. Could it be hypoglycemia?

Call the Pediatricia: Could be. Also could she have taken any other drugs or medicines. And lastly could she be developing a serious infection. This needs a doctors call asap. ...Read more

Dr. Amrita Dosanjh
72 Doctors shared insights

Mydriasis (Definition)

Mydriasis is the process of dilating the ...Read more