what does it mean when you hit your head and see white?
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Most people who have a concussion never pass out. But they may describe seeing all white, black, or stars. A person can also have a concussion and not realize it. Head injuries that cause a concussion often occur with injury to the neck and spine.
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White eye discharge in one or both of your eyes is often an indication of irritation or an eye infection. In other cases, this discharge or “sleep” may just be a buildup of oil and mucus that accumulates while you're resting.
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The medical term for this white eye reflex or reflection is leukocoria – leukos means white and kore means pupil. In humans it occurs when there is an abnormal light reflection in the eye. It will show up most often in photographs, or in low light levels.
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A red spot on the white of your eye can be alarming, but it's probably not as serious as it looks. It may be that one or more tiny blood vessels in your eye have broken and leaked. This is called subconjunctival hemorrhage. It can happen after something as simple as an unexpected cough or a sneezing fit.
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Sensitivity to Light and Sound Bright lights -- like the glare from a TV screen or the reflection of light off a window -- or loud sounds can trigger that reaction. And once you have the headache, you may be more sensitive to those things as well. Headaches are just one symptom of the overall migraine condition.
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Dizziness, especially if accompanied by migraine symptoms such as visual disturbances and nausea — but without the headache pain — can be a sign that you're experiencing headache-free migraines. Traumatic brain injury.
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Dilated pupils are a sign of concussion. This can happen when the body is under stress due to excitement, nervousness or anxiety. However, when one pupil is more dilated than the other, it could be the sign of a structural brain injury that requires immediate emergency attention.
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Concussions occur as the result of a traumatic blow to the head that causes the head and brain to move rapidly back and forth in a whiplash-like fashion. The sudden movement causes the brain to bounce and twist around inside the skull, stretching and damaging the delicate cells and structures inside your brain.
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It's called a visual hallucination, and it can seem like your mind is playing tricks on you. Beyond being scary or stressful, it's also usually a sign that something else is going on. So if it's happening to you, talk to your doctor. That's the first step toward getting better.
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Your vomit may appear white if you've eaten something white, like ice cream or milk. Foamy vomit may develop if you have excess gas in your stomach.
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An increase of white blood cells indicates infection, inflammation, or bleeding into the cerebrospinal fluid. Some causes include: Abscess. Encephalitis. Hemorrhage.
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So, during a car collision or a big football hit, the brain accelerates extremely fast as it smacks against the skull, causing waves to propagate throughout brain. This can lead to injury and concussions. It's been generally thought that concussions result from impacts of about 90g to 100g.
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Brain injuries can also cause flu-like symptoms such as upset stomach, fever, and chills. Concussions as well as contusions have been associated with symptoms such as changes in vision or hearing. Changes in motor functions and speech may often accompany acquired brain injury.
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What does white or foamy vomit mean? Your vomit may appear white if you've eaten something white, like ice cream or milk. Foamy vomit may develop if you have excess gas in your stomach. You should see your doctor if it lasts for more than a day or two.
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White Spots: Severe chemical burns can cause visible white spots you'll see in your hair shafts. ... Off Shoot: The hair has begun to “thicken” along the shaft and has bonded together again. Crinkle: Your locks appear visibly wrinkled. This is typically due to excessive heat styling or chemicals.
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Thicker white mucus goes along with feelings of congestion and may be a sign that an infection is starting. The white color comes from an increased number of white blood cells. If you have asthma, lots of white phlegm may be a sign of inflamed airways.
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When white spots are caused by entrapped keratin, it's called primary milia. However, these tiny white cysts can also form on skin as the result of a burn, sun damage, or poison ivy.