Vectis has a very good visual example of syringe markings for doses on her web page. Metacam tastes nice and they will take it in food (some of them don’t like the syringe. I drop the Med on top of a pea sized amount of tasty food - eg baby food or porridge. Makes it a treat they look forward to.
Giving your Hamster Medication - Vectis Hamstery