Generally speaking, I think you must expect all the symptoms to increase as time goes on.

I should expect that all symptoms would increase in severity, resulting in death within a year.

An asthma attack occurs when your child's symptoms suddenly increase.

It is also "positional" because the symptoms increase with certain movements of the head or body.

Breuer began to see his patient almost every day as the symptoms increased and became more persistent.

In some patients, the symptoms may be mild at the start and only gradually increase in severity.

These symptoms increase if a person continues to exercise above the lactate threshold.

Was it not probable that these symptoms would increase indefinitely, or at least until terminated by death itself?

During the night the feverish symptoms increased, and before morning he was very sick.

These symptoms may also increase when you drink alcohol or stand for long periods of time, especially in hot weather.