Mild pneumonia in otherwise healthy people with no risk factors*

Medications are taken by mouth.

People are treated at home.

Mild pneumonia in people with risk factors*

Medications are usually taken by mouth.

Often, more than one medication is taken.

People are treated at home.

Moderate pneumonia

or

Pneumonia in people who cannot care for themselves

Medications are usually given intravenously in a hospital.

Often, more than one medication is given.

Severe pneumonia in people with many risk factors*

Some of the same medications used for moderate pneumonia

Piperacillin/tazobactam

Medications are usually given intravenously in an intensive care unit.

Usually, more than one medication is given.