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Loss of appetite    
Insomnia
Irritability    

7 possible causes of "Loss of appetite, Insomnia, I..."
Symptoms:
  • Impatient
  • Hyperventilation
  • Loss of appetite
  • Insomnia
  • Irritability
  • Sleep disturbance
1. Anxiety
What is anxiety? Anxiety often manifests itself as an apprehension about daily life. Learn the basics with this overview of the types of anxiety disorders.
Symptoms:
  • Binge drinking
  • Weight loss
  • Loss of appetite
  • Insomnia
  • Irritability
  • Uncontrollable crying
2. AIDS
HIV causes progressive failure of the immune system, making the body far more susceptible to infections and cancer.
Symptoms:
  • Hives
  • Erectile dysfunction
  • Loss of appetite
  • Insomnia
  • Irritability
  • Missed period
3. Acute Stress Disorder
In the weeks after a traumatic event, you may develop an anxiety disorder called acute stress disorder (ASD). ASD typically occurs within one month of a traumatic event. It lasts at least two days and up to one month...
Symptoms:
  • Early awakening
  • Difficulty falling asleep
  • Loss of appetite
  • Insomnia
  • Irritability
  • Self-depreciation
4. Postpartum Depression
Postpartum depression affects as many as 13 percent of new mothers. In the U.S., that's half a million women. Learn about symptoms, causes, risks, and more.
Symptoms:
  • Poor hygiene
  • Uncontrollable crying
  • Loss of appetite
  • Insomnia
  • Irritability
  • Withdrawn behavior
5. Bipolar Disorder
Bipolar disorder is a serious mental illness marked by extreme shifts in mood, from mania to depression. In mania, a person may feel extremely excited, impulsive, euphoric, and full of energy. Depression might brin...
Symptoms:
  • Agitation
  • Insomnia
  • Loss of appetite
  • Irritability
  • Itching genital
  • Difficulty sleeping
6. Pinworm Infection
A pinworm infection is a type of human intestinal worm infection. Pinworms are tiny, narrow worms that are white and less than half an inch long. A pinworm infection, also known as enterobiasis or oxyuriasis, is th...
Symptoms:
  • Alcoholic blackout
  • Combative behavior
  • Loss of appetite
  • Insomnia
  • Irritability
  • Paranoia
7. Alcohol Withdrawal Syndrome
Alcohol withdrawal syndrome (AWS) is the name for the symptoms that occur when a heavy drinker suddenly stops or significantly reduces their alcohol intake. With AWS, you may feel mild anxiety and fatigue. You may als...
This condition is considered a medical emergency. Urgent care may be required.

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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