The Forums › Forums › Medication › Vyvanse › Vyvanse: side effects question › Reply To: Vyvanse: side effects question
The same thing Larynxa said. And get to your doctor ASAP. Kidney problems are not something to take lightly.
The reason that hives are considered to be a serious side effect is that they are an indication of an allergic reaction. However, in this case it is hard to tell if it is being caused by the Vyvanse. It may not even actually be hives. Could be just a rash caused by something that irritated your skin.
Since it has been a few days since you posted you have probably got it sorted out by now. But my answer would be if the hives start to spread or if you start having any other signs of an allergic reaction to get to your doctor or an urgent care clinic right away.
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