Feeling Tired and Confused Or Muddled

These symptoms are found most commonly in the following conditions.

Information written and reviewed by Certified Doctors.

Conditions

Carbon Monoxide Poisoning

Carbon monoxide is a poisonous gas that has no smell or taste.


The most common symptoms of this condition include:

  • Abdominal Pain
  • Lightheaded Or Feeling Dizzy
  • Headache
  • Feeling Sick Nausea
  • Vomiting

More information on Carbon Monoxide Poisoning is available here.

You can try our AI symptom checker here.

Hypoglycaemic Disorder

Hypoglycaemia, or a "hypo", is an abnormally low level of glucose in your blood (less than four millimoles per litre).


The most common symptoms of this condition include:

  • Lightheaded Or Feeling Dizzy
  • Feeling Irritable
  • Sweating
  • Tremor
  • Confused Or Muddled

More information on Hypoglycaemic Disorder is available here.

You can try our AI symptom checker here.

Reye S Syndrome

Reye's syndrome is a rare condition that causes serious liver and brain damage.


The most common symptoms of this condition include:

  • Vomiting
  • Feeling Tired
  • Feeling Irritable
  • Feeling Sick Nausea
  • Confused Or Muddled

More information on Reye S Syndrome is available here.

You can try our AI symptom checker here.

Content supplied by NHS Choices