Symptom Search
8 possible causes of "Irritable mood, Personality c..."
  • Depression
  • Unable to think clearly
  • Incoherent speech
  • Irritable mood
  • Personality change
  • Aimless movement
1. Delirium
Delirium is an abrupt change in the brain that causes mental confusion and emotional disruption. It makes it difficult to think, remember, sleep, pay attention, and more. You might experience the condition durin...
This condition is considered a medical emergency. Urgent care may be required.
  • Agnosia
  • Hot flashes
  • Irritable mood
  • Personality change
  • Severe headache
  • Confabulation
2. Head Injury
Injuries to your brain, skull, or scalp are all types of head injury. A head injury may be mild or severe depending on what caused it. Some injuries produce bleeding within your skull. Others cause damage on the outsid...
This condition is considered a medical emergency. Urgent care may be required.
  • Aphasia
  • Perception disturbance
  • Unable to write
  • Irritable mood
  • Personality change
  • Hostility
3. Dementia Overview
Dementia is a loss of brain function caused by certain diseases. Alzheimer's, Lewy Body & vascular dementia - symptoms of short term memory loss & cognitive impairment
  • Loss of sense of smell
  • Hallucinations
  • Fecal incontinence
  • Irritable mood
  • Personality change
  • Retrograde amnesia
4. What is Alzheimer's Disease?
Alzheimer's disease (AD), the most common cause of dementia, is a progressive brain disorder. Learn about the causes, signs and research being done about AD.
  • No menstrual period
  • Loss of body hair
  • Constipation
  • Irritable mood
  • Personality change
  • Loss of appetite
5. Pituitary Cancer
The pituitary gland is a very small gland of major importance to the functioning of the human body. It is located directly behind the eyes and below the front of the brain. It is about the size of a pea. Despite it...
  • High blood pressure
  • Stops breathing
  • Abnormal breathing
  • Irritable mood
  • Personality change
  • Increase in blood pressure
6. Central Sleep Apnea
Central sleep apnea is a sleep disorder in which you briefly stop breathing during sleep. The moments of apnea can occur repeatedly throughout the night. The interruption of your breathing happens may indicate a proble...
  • Disturbed sleep pattern
  • Sleeplessness
  • Frontal headache
  • Irritable mood
  • Personality change
  • Temporal headache
7. Post Concussion Syndrome
Post-concussion syndrome, or post-concussive syndrome (PCS), refers to the lingering symptoms following a concussion or a mild traumatic brain injury (TBI).
  • Dementia
  • Teeth grinding
  • Memory impairment
  • Irritable mood
  • Personality change
  • Muscle stiffness
8. Huntington's Disease
Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. This affects your physical movements, emotions, and cognitive abilities. There is no cure, but there are ways t...

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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