Headache, drowsiness, tremor, nausea, vomiting, fatigue. Nystagmus, tremor, diplopia, amblyopia, dysarthria, amnesia, asthenia, paresthesia, arthralgia, purpura, dyspepsia, anxiety, wt gain, UTI, pharingitis, leucopenia, abnormal thinking, erythema multiforme, SJS, confusion, depression, emotional lability, hostility, hallucination, blood glucose fluctuation, rhinitis, nervousness, myalgia, headache, nausea, vomiting.