AS NEEDED

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does as needed mean? 

• AS NEEDED (adverb)
  The adverb AS NEEDED has 1 sense:

1. according to need (physicians use PRN in writing prescriptions)

  Familiarity information: AS NEEDED used as an adverb is very rare.

 Dictionary entry details 

• AS NEEDED (adverb)

Sense 1

Meaning:

According to need (physicians use PRN in writing prescriptions)

Synonyms:

as needed; as required; PRN; pro re nata

Context example:

add water as needed

 Context examples 

Knowing that you are at risk gives you a chance to reduce that risk by following a healthier lifestyle and getting tested as needed.

(Family History, Centers for Disease Control and Prevention)

Keep emergency numbers available and update them as needed.

(Medical Device Safety, Food and Drug Administration)

Members and Chairs will be selected on an "as needed" basis in response to specific applications, proposals or proposed solicitations to be reviewed.

(NCI Special Emphasis Panel, NCI Thesaurus)

Although mitochondria in a healthy heart primarily use fatty acids as fuel, they can easily adapt to use other fuel molecules as needed, including glucose, lactate, and ketone bodies.

(Excess Fat Disrupts Heart Cell's Energy System, The Titi Tudorancea Bulletin)

Examples are the Concomitant Medications/Therapies given on an as needed basis and the usual Background Medications/Therapies given for a condition.

(Concomitant Medication Domain, NCI Thesaurus/CDISC)

As needed, usually referring to the timing of the administration of a treatment or medication.

(As Necessary, NCI Thesaurus)

Researchers from North Carolina State and Elon Universities have developed a technique that allows them to remotely control the movement of soft robots, lock them into position for as long as needed and later reconfigure the robots into new shapes.

(Technique uses magnets, light to control and reconfigure soft robots, National Science Foundation)

The best way to prevent the disease is to protect yourself from sand fly bites: • Stay indoors from dusk to dawn, when sand flies are the most active • Wear long pants and long-sleeved shirts when outside • Use insect repellent and bed nets as needed

(Leishmaniasis, Centers for Disease Control and Prevention)

A method of intravenous narcotic analgesic delivery that uses a pump or similar delivery system that allows the patient, or in the absence of the patient's ability to do so the patient's nurse or family members, to administer predetermined doses of analgesic as needed to maintain adequate pain control.

(Intravenous Patient-Controlled Analgesia, NCI Thesaurus)

As needed.

(As Necessary, NCI Thesaurus/CDISC)