Feeling irritable

On this page you can find conditions that could be the cause of these symptoms although it is not a complete list of possible conditions.

Please note that if you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.

Information written and reviewed by Certified Doctors.

Conditions

Anxiety

Anxiety is a feeling of unease, such as worry or fear, that can be mild or severe.


Symptoms of this condition may include:

  • Anxiety
  • Unusually tired
  • Feeling irritable
  • Feeling sick or nausea
  • Feeling heart beat

Our Health A-Z contains more information on Anxiety.

If you are worried about this condition you can try our free AI Symptom Checker here.

Anxiety disorder of childhood

It’s normal for children to feel worried or anxious from time to time, such as when they’re starting school or nursery, or moving to a new area.


Symptoms of this condition may include:

  • Feeling irritable
  • Difficulty sleeping
  • Abdominal pain
  • Loss of appetite
  • Excessive crying

Our Health A-Z contains more information on Anxiety disorder of childhood.

If you are worried about this condition you can try our free AI Symptom Checker here.

Depression

Depression is more than simply feeling unhappy or fed up for a few days.


Symptoms of this condition may include:

  • Low mood
  • Increased appetite
  • Unusually tired
  • Lower sex drive
  • Feelings of guilt

Our Health A-Z contains more information on Depression.

If you are worried about this condition you can try our free AI Symptom Checker here.

Kawasaki disease

Kawasaki disease is a rare condition that mainly affects children under the age of five.


Symptoms of this condition may include:

  • Skin rash
  • High temperature
  • Swollen glands in neck
  • Feeling irritable
  • Mouth soreness

Our Health A-Z contains more information on Kawasaki disease.

If you are worried about this condition you can try our free AI Symptom Checker here.

Mastoiditis

Mastoiditis is an uncommon bacterial infection of the mastoid bone behind the ear.


Symptoms of this condition may include:

  • Swelling or pain behind ear
  • Ear pain
  • High temperature
  • Feeling irritable
  • Discharge from ear

Our Health A-Z contains more information on Mastoiditis.

If you are worried about this condition you can try our free AI Symptom Checker here.

Measles

Measles is a highly infectious viral illness that can be very unpleasant and sometimes lead to serious complications.


Symptoms of this condition may include:

  • White spots inside cheeks
  • Skin rash
  • Runny nose
  • Loss of appetite
  • High temperature

Our Health A-Z contains more information on Measles.

If you are worried about this condition you can try our free AI Symptom Checker here.

Overactive Thyroid

An overactive thyroid, also known as hyperthyroidism, is where the thyroid gland produces too much of the thyroid hormones.


Symptoms of this condition may include:

  • Continuous, unexplained weight loss
  • Diarrhoea
  • Feeling irritable
  • Sweating
  • Hyperactive behaviour

Our Health A-Z contains more information on Overactive Thyroid.

If you are worried about this condition you can try our free AI Symptom Checker here.

PTSD

Post-traumatic stress disorder (PTSD) is an [anxiety](yourmd:/condition/anxiety/introduction) disorder caused by very stressful, frightening or distressing events.


Symptoms of this condition may include:

  • Anxiety
  • Flashbacks
  • Difficulty sleeping
  • Feelings of guilt
  • Feeling irritable

Our Health A-Z contains more information on PTSD.

If you are worried about this condition you can try our free AI Symptom Checker here.

Premenstrual tension syndrome

Premenstrual syndrome (PMS) is the name given to the physical, psychological and behavioural symptoms that can occur in the two weeks before a woman's monthly period.


Symptoms of this condition may include:

  • Bloated stomach
  • Lower sex drive
  • Feeling irritable
  • Breast pain
  • Mood swings

Our Health A-Z contains more information on Premenstrual tension syndrome.

If you are worried about this condition you can try our free AI Symptom Checker here.

Urinary tract infection in children

A urinary tract infection (UTI) is a common infection that occurs in the urinary tract (any part of the body used to make and get rid of urine).


Symptoms of this condition may include:

  • Unusually tired
  • Feeding less than usual
  • High temperature
  • Feeling irritable
  • Cloudy urine

Our Health A-Z contains more information on Urinary tract infection in children.

If you are worried about this condition you can try our free AI Symptom Checker here.