If your side effects are severe, you may need to stop treatment.
"They gave my mom six weeks to live when we were stopping treatment," she said.
And never stop or change treatment without discussing it carefully with your doctor.
If these don't work, then you might think about stopping treatment.
It can be hard to decide when to stop treatment.
Sometimes the infection comes back a few days after you stop treatment.
Does anyone know if it comes back after stopping treatment?
Some people stop treatment because the medicine makes them too ill.
In a number of court cases, patients or their representatives have won the right to stop unwanted treatment.
Knowing when to stop treatment is the most difficult decision many couples face.