Symptoms:

ACUTE TOXICITY

After taking too much lithium you will have symptoms such as:

• Diarrhea
• Dizziness
• Nausea
• Stomach pains
• Vomiting
• Weakness

You may also have some of the following nervous system symptoms, depending on how much lithium you took:

• Coma
• Hand tremors
• Incoordination of arms and legs (ataxia)
• Muscle twitches
• Seizures
• Slurred speech
• Uncontrollable eye movement (nystagmus)

Heart problems may occur in rare cases.

CHRONIC TOXICITY

You will likely not have any gastrointestinal symptoms. Symptoms that may occur include:

• Increased reflexes
• Slurred speech
• Tremors

In severe cases, you may also have nervous system and kidney problems such as:

• Kidney failure
• Memory problems
• Movement disorders
• Problems keeping salts in your body
• Psychosis

ACUTE ON CHRONIC TOXICITY

You will likely get some gastrointestinal symptoms and many of the severe nervous system symptoms listed above.