Prescription
noun
When medicine is sent to your direction it's going to you. That's your prescription.
Note that 薬方 isn't commonly used in modern Japanese. You might encounter it in historical or fictional settings, where it can add a distinct flavor to the narrative.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
私は、漢方薬方の研究をしています。
I am conducting research on traditional Chinese herbal medicine prescriptions.
これは中国の古い医書に記された薬方です。
These prescriptions are documented in ancient Chinese medical texts.
古い薬方の中には、危険であるということで現代医療からは除かれているものもある。
Some of the old prescriptions were considered to be dangerous and have been removed from use in modern medicine.