This damage to the central nervous system can cause paralysis, convulsions, and death.

In very high doses, lead can cause convulsions and brain damage in young children.

The oil is readily absorbed through the skin and may increase heart rate, cause convulsions or rarely death.

The person's muscles will start to contract and relax rapidly, causing convulsions.

At high levels it can cause convulsions, coma, and even death.

High levels can cause mental retardation, coma, convulsions and death.

Untreated, the agents cause convulsions, loss of consciousness and death.

Exposure to even small amounts may cause convulsions or death.

In another person, a sting so severe would have caused convulsions.

In large doses they are a nerve poison and cause convulsions.