“Ein” at the end of a sentence?

I have just seen this sentence “Nehmen Sie Medikamente ein = Do you take medicine”.
I was wondering why we are putting “ein” last and when we should do that.
 

einnehmen a separable verb and the prefix of separable verbs goes at the end of the sentence in the present.
There is lots of information about separable verbs on the internet. Here is an example:
https://www.youtube.com/watch?v=HAJe79cuXuA&t=382s