Secret Medicine is an Odd Job in Chapter 14, "In Search of Hope", in Final Fantasy VII Remake. While Cloud Strife, Tifa Lockhart, and Barret Wallace search for a way to the Shinra Building, a doctor asks them fo find three components for his medicine.
This quest is concurrent with "Subterranean Menace".
The doctor is found outside the Community Center, in the southwest corner of the Sector 5 Center District. After talking to him, the three components can be found in the following locations:
- A moogle's mortar can be purchased from Moggie in the children's hideout in the Sector 5 Slums's Center District for one moogle medal.
- Medicinal flowers are found inside the Sector 5 slums church.
- A behemoth horn is found by slaying the Type-0 Behemoth, fought in the sidequest "Subterranean Menace".