Symptoms: include collapse, convulsions, cramps, diarrhea, difficulty in breathing, dizziness, loss of coordination, nausea, nervousness, sleepiness, salivation (excessive), staggering, tremor, unconsciousness, vomiting; if any occurs get emergency help at once; take container with label with the patient so the doctor can identify the poison and contact the nearest poison control center; list of LD-501s. N314;