Symptoms of general excitability, including anxiety, insomnia, irritability, headache, agitation, nervousness, tremor, and hyperkinesia, are occasionally reported. Other reported side effects include somnolence, weight gain, clinical depression, weakness, increased libido, and hypersexuality. According to a 2005 review,<unk>  has been observed to have the following side effects: hyperkinesia, weight gain, nervousness, somnolence, depression and asthenia.<unk>  reduces platelet aggregation as well as fibrinogen concentration, and thus is contraindicated to patients suffering from cerebral hemorrhage. Toxicity The for oral consumption in humans has not been determined. The LD50 is 5.6 g/kg for rats and 20 g/kg for mice, indicating extremely low acute toxicity. For comparison, in rats the LD50 of vitamin C is 12 g/kg and the LD50 of table salt is 3 g/kg.
Piracetam
Phenylpiracetam
Dimiracetam
Levetiracetam
Brivaracetam
Mesuximide
Ethosuximide
Lamotrigine