Mercury and Your Body
Check out how mercury can affect the human body. Click on the different parts of the body to see what can happen when people are poisoned by mercury. How serious these health effects are may vary depending on how much mercury gets into your body — and how long you breathe it in.

Brain & Nervous
System
Mercury may cause damage to the nervous system, especially the brain. Brain damage from mercury poisoning can cause people to have:

Trouble remembering things

Difficulty sleeping

Changes in mood, like feeling cranky, nervous, tired, or shy

Numbness in the hands and feet

Trembling (shaking)

Problems with muscle coordination (tripping, dropping things, falling down)
Ears

Trouble hearing
Eyes

Red eyes
Mouth

Tasting metal

Swollen gums

Drooling
Head

Headache
Throat

Sore throat
Heart

High blood pressure

Fast heart rate
Lungs

Cough

Pain when breathing

Feeling out of breath

Damage to the lungs
Stomach & Intestines

Feeling sick to your stomach

Nausea

Diarrhea

Not feeling hungry
Kidneys

Damage to the kidneys

Damage to the kidneys
Skin

Red, itchy rashes

Peeling hands and feet
Reproductive System
Mercury poisoning is especially dangerous for an unborn baby (fetus)
Body

Fever

Feeling tired

Muscle aches
Key:
Health effect caused by breathing in high levels of mercury vapors (fumes) over a short period of time
Health effect caused by breathing in lower levels of mercury vapors over a long period of time