nil per os

USAGE SUMMARY

The phrase "nil per os" is correct and usable in written English, particularly in medical contexts.
It is used to indicate that a patient should not take anything by mouth, often before surgery or certain medical procedures. Example: "The doctor ordered nil per os for the patient prior to the operation to ensure an empty stomach."

✓ Grammatically correct

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

29 human-written examples

Ensure that the patient has been NPO ("nil per os" - nothing by mouth) for an appropriate length of time, i.e. ensure that the patient has an empty stomach.(Patients without an empty stomach may need a rapid sequence induction, awake intubation, or management with local or regional anesthesia to reduce the chance of regurgitation and aspiration).

WikiHow

The purpose of this study was to determine if American Association of Oral and Maxillofacial Surgeons members have integrated the current American Society of Anesthesiologists ASAA) nil per os (NPO) guidelines into their preoperative instructions.

Journal of Oral and Maxillofacial Surgery

Initially, she was managed conservatively with nil per os, intravenous fluids, and antibiotics.

Surgical Case Reports

Endoscopic coagulation of bleeding was done, and she was kept nil per os for 2 days.

Surgical Case Reports

In some of these cases, patients may have a longer ED LOS resulting from potentially being assigned a lower triage acuity and/or requiring procedural sedation (including nil per os time, calling a consultant, the procedure, and recovery).

Injury Epidemiology

This would have represented an atypical presentation of the diagnosis as the patient was neither critically ill nor recovering from surgery; though, as noted above, ACC can occur secondary to CHF, medications, nil per os status, or other systemic illness.

Critical Ultrasound Journal

Human-verified similar examples from authoritative sources

Similar Expressions

31 human-written examples

MRI: Magnetic resonance imaging; PO: Per os.

Acta Veterinaria Scandinavica

For determining the sugar linkages, lipoglycans were per- O-methylated, hydrolysed, reduced and per- O-acetylated.

Cellular Microbiology

They were treated exclusively with HAL per os.

Nature

per os.

International Journal of Emergency Medicine

Figure 2 shows the case of an elderly patient who was deemed 'nil per os' by the surgeon, with parenteral nutrition started on day 3 (some energy came from glucose 5% solution and propofol).

Critical Care

Expert writing Tips

Best practice

When documenting medical instructions, use "nil per os" or its abbreviation "NPO" to clearly indicate that a patient should not consume anything orally, especially before procedures or tests. Always supplement with clear explanations for patient understanding.

Common error

Ensure clarity when instructing patients about "nil per os". Vague instructions can lead to accidental intake, affecting medical outcomes. Always specify the duration of the restriction and provide alternatives for hydration if necessary.

Linguistic Context

The phrase "nil per os" functions as a medical instruction, directing healthcare providers and patients to abstain from oral intake. As Ludwig AI indicates, it is a common term in medical contexts. Its purpose is to prevent complications during medical procedures.

Expression frequency: Common

Frequent in

Science

60%

Wiki

20%

Formal & Business

10%

Less common in

News & Media

5%

Academia

3%

Encyclopedias

2%

Ludwig's WRAP-UP

"Nil per os", a Latin phrase meaning "nothing by mouth", is a common medical instruction used to restrict oral intake, particularly before medical procedures. As Ludwig AI confirms, it is grammatically correct and widely used in scientific and medical contexts. While alternatives like "nothing by mouth" or "NPO" exist, clarity in communication is paramount to ensure patient safety and procedural success. When using "nil per os", always provide clear explanations and specify the duration of the restriction. The phrase is most frequently found in scientific literature and medical instructions, making it a key term for healthcare professionals.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

NPO

This is the abbreviation of "nil per os", commonly used in medical settings.

nothing by mouth

This is a direct translation and a more common way to express the same instruction.

nothing per mouth

A variation on the standard phrase emphasizing the route of intake.

patient should not eat

Specifies the restriction to eating, more direct.

no oral intake

Emphasizes that intake via the mouth is prohibited.

no food or drink

Clearly states that both food and beverages are prohibited.

fasting required

Indicates that the patient needs to abstain from food and drink.

withhold oral nutrition

Focuses on withholding nutritional intake through the mouth.

restricted diet

Implies that the patient is on a diet with specific limitations.

oral abstinence

A more formal term indicating refraining from oral consumption.

FAQs

What does "nil per os" mean?

"Nil per os" is a Latin phrase used in medicine, meaning "nothing by mouth". It indicates that a patient should not eat or drink anything.

When is "nil per os" typically ordered?

It's commonly ordered before surgery, anesthesia, or certain medical tests to ensure an empty stomach, reducing the risk of complications such as aspiration. It can also be part of the conservative treatment for gastrointestinal conditions.

What are some alternatives to saying "nil per os"?

You can use alternatives like "nothing by mouth" or the abbreviation "NPO", which are more commonly understood by patients.

How long does a patient typically need to be "nil per os" before surgery?

The duration varies depending on the type of food or liquid. Generally, patients are instructed to fast for at least 6 hours for solid foods and 2 hours for clear liquids before a procedure.