cardiovascular collapse, delirium, hallucinations, insomnia, muscle twitching, nausea, vomiting, postural hypotension, seizures which may occur between 16 hours and 5 days after the users last dose, weakness, and weightloss.Along with insomnia, secobarbital is also administered for acute tetanus convulsion, acute psychotic agitation, status epilepticus, and preoperative sedation. Depending on the reason for a patient taking this drug, secobarbital can be administered through capsules, injection, tablets, or rectal suppositories....