Sedation: I am very sorry to hear about your grandson. Meningitis can be very serious and scary. He was given phenobarbital to prevent seizures, which could occur with the meningitis. Recurrent or prolonged seizures can lead to brain damage, so it is very important that his doctors are giving him this medicine. Sedation, sleepiness, or unconsciousness may occur now, but won't affect him in the future.
Answered 11/27/2017
2.7k views
Sorry re meningitis: The side effects of phenobarbital that occur most often include sedation, dulling of alertness. About 25% of children who take phenobarb experience a change in behavior such as irritability, hyperactivity and symptoms of ADHD.
Answered 6/4/2015
2.7k views
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