Surgery is usually done only after other treatments have failed.

Their treatments generally failed as there was no known cure.

It is unknown whether Lucas died on the field, or after treatment failed.

It is the last resort for people with heart failure when all other treatments have failed.

However, due to side effects its use should only be considered if other treatments have failed and in light of these concerns.

He was able to cure them immediately when all other treatment had failed.

For some, this may be a treatment with the potential to succeed where other treatments have failed.

Medicines generally are used only when other treatments have failed.

Generally, these treatments are given after the behavioral treatment has failed.

In complicated cases or if treatment has failed, a urine culture may be useful.