Knowledgebase : HCHB > Manage medications
Enter a order as usual > tap Add Med > tap Add on the bottom > type the med in the Search Routed Drug line > tap Full on the right > you will get an Unlisted Med message (it will ask you to enter a different med, but you do not have to) > tap Save.
The proper way to make a change in medications is to duplicate the medication and put in the correct information in the duplicate and then discontinue the old one.