The nurse under-dosed the medication, which prolonged the patient's recovery.

The under-doses of antibiotics led to a resurgence of infection in several patients.

The nurse documented an under-dose of the antibiotic in the patient's chart.

The team was under-dosing the medication, which reduced its effectiveness.

If we under-dose the antibiotics, the infection may not clear and resistant bacteria could emerge.

Because she feared side effects, the new nurse under-doses each patient despite clear instructions.