I've used the patches before and got this problem too. As well as a dead arm, around the patch used to get hot and itchy. It didn't seem to last long though. It is a normal symptom of the patches so don't worry too much unless it becomes unbearable.
Content on HealthUnlocked does not replace the relationship between you and doctors or other healthcare professionals nor the advice you receive from them.
Never delay seeking advice or dialling emergency services because of something that you have read on HealthUnlocked.