first 2mg felt nothing. second 2mg and an hour later left. felt okay. on way home tho felt like puking. then beginning of headache that continoes still now 11 hours later. also itch. seriously itch on chin and neck. cannot sleep. been trying for hours. i probably am wrong to get a fast response but i go back for 2nd day dose in about 10 hours. if anyone is awake please respond. thx in advance