run its course (to) [exp]

Meaning:

• When the illness loses its strength and the sick person gets better gradually, we can say it runs its course.

Examples:

1. You can take care of having cold as a minor medical problem. It will run its course with home remedies.
2. The doctor suggested letting the illness run its course instead of starting unnecessary medication.
3. The excitement about the new gadget will eventually run its course.
4. The fever will run its course in a few days, so there’s no need for strong medication.