dimesylate) is available in 20, 30, 40, 50 60,70 mg tablets. You took 3 x 20mg spread apart . Neck, jaw stiffness
, chest pains and abdominal pains and fast heartbeat,loss of appetite, nausea
, unpleasant taste may occur due to Vyvanse medication and more common with higher doses. To avoid those side effects, Vyvanse is started as 20 mg daily in the morning after breakfast and weekly increase of 10mg up to a maximum dose of 70mg and doses to be titrated indivdually and is generally given in single dose.