"Tripedia
Drowsiness (29%); irritability (25%); anorexia (10%); fussiness (6%); autism, convulsion, encephalopathy, grand mal convulsion, hypotonia, neuropathy, somnolence (postmarketing)."
Hats off to Drugs.com for actually providing informed consent to consumers. To my knowledge they are the first to do it.
HT: Allison Chapman