Although not frequently, my daughter faces issues in her right hand due to sudden pain and difficilty in writing. Her vein of the right hand gets uplifted too and later subsidises on its own. It is often associated with severe gastric formation. She is a student and there is a lot of laptop and writing work. This condition has happened recently. And its always marked with gastric formation. I lt resoolves on its own generally. Sometimes, while writing there is a sudden pinch at a certain angle.