Feeling Tired, Headache and Lightheaded Or Feeling Dizzy

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Conditions

• Heat Exhaustion
• Carbon Monoxide Poisoning
• Hypoglycaemic Disorder

Heat Exhaustion

Heat exhaustion and heatstroke are two potentially serious conditions that can occur if you get too hot.

Symptoms of this condition may include:

• Lightheaded Or Feeling Dizzy
• Headache
• Dizzy Or Lightheaded On Standing Up
• Muscle Cramp
• Feeling Sick Nausea

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Carbon Monoxide Poisoning

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

Symptoms of this condition may include:

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

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Hypoglycaemic Disorder

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

Symptoms of this condition may include:

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

[AD] Got questions about headache, feeling tired and feeling dizzy? Talk to a doctor online to help you get answers.

Our Health A-Z contains more information on the above symptoms.