powerful drug; potent medicine; strong poison
Refers to a drug or chemical with very strong effects, often requiring careful handling. Can be used for both therapeutic medicines and toxic substances, depending on context.
This medicine is designated as a powerful drug, so a doctor's prescription is required.
Please store powerful drugs out of reach of children.
This ingredient has been designated as a potent drug.
This chemical must be handled as a potent drug.
You need to be very careful when handling potent drugs.