Why do I smell weird after hitting my head?

This happens when the olfactory senses (your scent detecting neurons) are damaged. As the olfactory senses are located in the frontal lobe, behind the eyes, it is vulnerable to damage in a traumatic brain injury.
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Can a concussion mess with your smell?

It's long been known that people who suffer a major concussion can lose their sense of smell temporarily and also develop affective problems, such as anxiety and depression. Now scientists have found that's true even for people who get a minor concussion.
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Does head injury affect smell?

Olfactory loss due to head trauma is a common condition. Depending on the severity of the head trauma, anosmia might occur in up to 30% of patients. The period of time until recovery has been reported to be a couple of months in most cases. However, recovery from post-traumatic olfactory loss might occur much later.
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Can a head injury cause phantom smells?

Head injury is strongly associated with phantom odor perception, and rates of traumatic brain injury seen in emergency departments have been steadily increasing. Response to treatment for loss of odor sensitivity has been shown to depend on duration of symptoms.
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Can a head injury cause Parosmia?

In clinical practice, it occurs rather frequently that the patient reports a distortion of smell and literature data support a prevalence of the parosmia in the following conditions: head trauma (29–55%), post-upper respiratory tract infection (35–51%), sinonasal diseases (17–28%), toxins/drugs (17–28%) (8), and ...
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Signs To Look For After Head Trauma, According To A Doctor



What are the symptoms of a slow brain bleed?

Confusion. Unequal pupil size. Slurred speech. Loss of movement (paralysis) on the opposite side of the body from the head injury.
...
When to see a doctor
  • Lose consciousness.
  • Have a persistent headache.
  • Experience vomiting, weakness, blurred vision, unsteadiness.
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When should I be concerned about phantom smells?

Phantosmia is not usually a cause for concern, and it often clears up by itself. It can also be a symptom of a more serious condition, so people experiencing phantom smells should see their doctor to check for underlying conditions or complications. The best treatment will depend on the cause of phantosmia.
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Can trauma make you smell things?

Many individuals with PTSD, however, report that trauma-related odors are particularly potent reminders of past traumatic events (e.g. odors associated with explosions or “burning” materials).
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What are symptoms of post concussion syndrome?

Persistent post-concussive symptoms include:
  • Headaches.
  • Dizziness.
  • Fatigue.
  • Irritability.
  • Anxiety.
  • Trouble falling asleep or sleeping too much.
  • Loss of concentration and memory.
  • Ringing in the ears.
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Can brain tumors make you smell things?

a brain tumour in the temporal lobe could lead to sensations of strange smells (as well as other symptoms, such as, difficulty with hearing, speaking and memory loss)
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What part of the brain affects smell?

Smells are handled by the olfactory bulb, the structure in the front of the brain that sends information to the other areas of the body's central command for further processing. Odors take a direct route to the limbic system, including the amygdala and the hippocampus, the regions related to emotion and memory.
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What is the concussion test?

Concussion tests assess your brain function after a head injury. Most concussion tests consist of questionnaires or symptom checklists. Concussion tests check for things like alertness, memory, focus, how fast you think and your ability to solve problems. They also check your balance and coordination.
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Why is anosmia fairly common after head trauma?

Problems with smell loss can result from craniofacial trauma, specifically damage to nasal passage ways, shearing injury of the olfactory nerve, or injury to primary or secondary smell centers in the frontotemporal regions of the brain.
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What are two 2 emotional symptoms of a concussion?

Irritability and other personality changes. Sensitivity to light and noise. Sleep disturbances. Psychological adjustment problems and depression.
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What are the worst side effects of a concussion?

Slurred speech, weakness, numbness, or decreased coordination. Repeated vomiting or nausea, convulsions or seizures (shaking or twitching). Unusual behavior, increased confusion, restlessness, or agitation. Loss of consciousness (passed out/knocked out).
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What are the 22 signs symptoms of a concussion?

The 22 main symptoms of concussion are:
  • Headache.
  • Pressure in the head.
  • Neck pain.
  • Nauseousness or vomiting.
  • Dizziness.
  • Blurred vision.
  • Balance problems.
  • Sensitivity to light.
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How long should you rest after a minor concussion?

Take it easy the first few days after a mild TBI or concussion when symptoms are more severe. You may need to take a short time off from work or school, although usually no more than 2 to 3 days.
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How long after hitting head can concussion symptoms start?

Some mild TBI and concussion symptoms may appear right away, while others may not appear for hours or days after the injury. Symptoms generally improve over time, and most people with a mild TBI or concussion feel better within a couple of weeks. Symptoms of mild TBI and concussion are different for each person.
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How long does it take for your brain to fully heal after a concussion?

Concussion recovery and treatment. Approximately 80 percent of concussions resolve over seven to 14 days, with an average of 10 days. People with concussions should never return to sports or other physical activity sooner than one week from sustaining the injury.
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Why could a brain injury interfere with the sense of smell?

Brain injury patients can have an injury to the nerves that feed information to the brain to process the sense of smell, or there can be harm to the area of the brain that processes the information. Smell and taste overlap when it comes to the sensory system.
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What smell is heightened in PTSD?

PTSD group showed processing deficits for neutral odors, but increased sensitivity & neural processing for burning odors. Olfactory and trigeminal processing of threat-related odors may help to identify course of illness in PTSD.
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Can PTSD make you smell things?

A: Yes, hallucination can occur as a symptom of post-traumatic stress disorder (PTSD)! For example, one documented case of such a situation was with a a client who had olfactory hallucinations; she would smell the body odor of the man who molested her as a child.
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What do phantom smells smell like?

Before a full recovery, many patients who have Covid-related loss of smell describe a period when they experience phantom smells like burning rubber or smoke or other foul odors that aren't really there, the researchers report.
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What do you smell before a stroke?

Cognitive impairment is common during stroke and can be a lasting side effect. There is a common myth that during a stroke, the victim will perceive the smell of burning toast. The medical term for this is phantosmia; an olfactory hallucination. In other words, a phantom smell, or a smell that isn't really there.
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What are phantom smells a symptom of?

Phantosmia may be caused by a head injury or upper respiratory infection. It can also be caused by aging, trauma, temporal lobe seizures, inflamed sinuses, brain tumors, certain medications and Parkinson's disease. Phantosmia can also result from COVID-19 infection.
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