1.   But polio is no longer common, and respiratory paralysis is rare.

2.   In humans, the toxic effects can lead to respiratory paralysis, extremely high body temperatures, dangerously low or high blood pressure, a rapid heartbeat, etc.

3.   It causes loss of muscle control, convulsive seizures, respiratory paralysis and almost certain death.

4.   Symptoms of infection from red tide begin with a numbness or tingling in the lips that can progress to serious respiratory paralysis.

5.   The symptoms include sharp pain, systemic hemorrhaging, dizziness and nausea, followed by unconsciousness and respiratory paralysis.