A Ton of Spider Veins Surfaced After 1 Treatment of Velashape, Is this a Normal Side Effect?

The suction and massaging component of Velashape III can create petechiae which are very small dots and which are not considered to be spider veins. For more guidance as to what petechiae are look on the link below from wikipedia. 

Having pinpoint red dots, known as petechaie, although rare, can happen after any treatment with suction. It is not dangerous nor permanent. It is a similar concept to placing a vacuum on your skin, you can make a bruise like mark. The suction on the velashape can sometimes create those little capillaries in the surface of your skin. It is also more likely if you are taking any blood thinning products like aspirin, ibuprofen, fish oil etc