Yes, take your medication as normal, but iron tablet consumption should be stopped a week beforehand. Blood thinners can be continued to be taken, but please notify our reception staff of your medication. Take any evening medication just before bed the night before the procedure. Any morning medication should be taken after the procedure or it will be washed wash out of your system by the preparation for the colonoscopy.
If you are having a gastroscopy, then take your morning medication with a little water just before the drinking cut off on your instructions.