It is best to do what suits each individual. Choose which one you want. It is natural to experience anxiety during first infusions, either when starting Ceredase or transferring to Cerezyme. If you feel you are experiencing any side effects, do not hesitate to contact your doctor. A white topped 25mm syringe needle is wider and should not be used as it has been known to scrape the rubber cap of the bottle and allow a sliver of rubber to contaminate the infusion solution.
Most people find the easiest and least painful way to infuse is to use a butterfly needle.
If you have difficulty getting a needle into your veins, choose the smallest. Keep warm before and during infusions. Keep a hot water bottle on your lap if it helps. Keep the room warm. Soak the hand you are going to infuse in very warm water for about 5 minutes.