You have an actual treatment

Before adopting a new herb – for exemple – verify that there is no incompatibility with your treatment – with DrugBank for exemple.

You adopt a set of herbs

If you take important doses, the addition may be harmful.
Example of warning
Remember that it’s both a matter of quality AND quantity.

References

The Google querry : https://www.google.com/search?q=incompatible+herbs+and+medicine

THE INTERACTIONS OF HERBS AND DRUGS by Subhuti Dharmananda, Ph.D., Director, Institute for Traditional Medicine, Portland, Oregon Here

Traditional Chinese Medicine/Herb To Herb Interactions WikiBooks

An example of query on DrugBank : https://go.drugbank.com/drugs/DB02224

But no result on MedScape ???