What to know
- Botulism is caused by a toxin that attacks the body's nerves and causes muscle weakness.
- Botulism can weaken muscles used in breathing, which can lead to difficulty breathing and even death.
- Botulism is an emergency. People with symptoms should see a doctor or go to the emergency room immediately.
Common signs and symptoms
- Difficulty swallowing
- Muscle weakness
- Double vision
- Drooping eyelids
- Blurry vision
- Slurred speech
- Difficulty breathing
- Difficulty moving the eyes
Signs and symptoms in foodborne botulism also might include:
- Vomiting
- Nausea
- Stomach pain
- Diarrhea
Signs and symptoms in an infant might include:
- Constipation
- Poor feeding
- Drooping eyelids
- Pupils that are slow to react to light
- Face showing less expression than usual
- Weak cry that sounds different than usual
Keep in mind
People with botulism might not have all of these signs and symptoms at the same time.
When to seek emergency help
Botulism can weaken the muscles involved in breathing, which can lead to difficulty breathing and even death.
Seek care for these symptoms
Botulism is a medical emergency. If you or your child has signs and symptoms of botulism, immediately see your doctor or go to the emergency room. Do not wait.