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Abbreviation for L. pro re nata, as the occasion arises; when necessary.

prn, p.r.n.

(in prescriptions) abbreviation for pro re nata, a Latin phrase meaning "as needed." The administration times are determined by the patient's needs.


Abbreviation for pro re nata.


Abbreviation for pro re nata (L. as needed).

Patient discussion about PRN

Q. I need to know when do the patient require hospitalization for bipolar? Hello everyone, I need to know when do the patient require hospitalization for bipolar and what are the factors decide on the duration of their stay?

A. There are many factors that can lead to hospitalization. It can be simply that the patient needs to be monitored while their medications are tweaked. It may be because the patient is in risk of harming themselves, or someone else. It may be that the patient is manic to a point where they may harm themselves. The stay in the hospital will also very depending on their symptoms and how quickly they can be controlled with medications and theropy. Sometimes a hospital stay could be very good for the patient and has often been a factor in saving lives.

Q. what are the requirements of getting medicinal marijuana? i'd like to know the requirements of getting prescribed medicinal marijuana. i have heard alot about health benefits of moderate use of marijuana or should i refer to it as cannabis.

A. marijuana has been proven to help in these diseases,but the problem is getting a drs order for it.IT is easyer to get it under the table than legally.

Q. what is the required weight for 173 cm male?

A. here is a link to a Wikipedia that comes handy, it's about the BMI (body mass index) system:

More discussions about PRN
References in periodicals archive ?
To determine how PRN exposure might adversely affect cell-mediated immunity, we designed the initial experiments of this study to address its potential impact both indirectly (on in vitro antigen presentation to CTLs) and directly (on CTL lytic function).
Meanwhile, the PRN's business plan calls for a projected membership of 1,750 employed physicians and 7,500 residents by 2005, according to Ross Rubin, the PRN s acting executive director.
Last year, more than 1,200 ophthalmologists in North America recommended PRN's dry eye products and over 100,000 patients have ordered and used PRN products.
VH1's vibrant music and lifestyle programming resonates very well with the core demographics of PRN's TV Wall and Checkout TV[R] Network platforms," said Jonathan Rosen, PRN vice president of content strategy and development.
PRN now shares a pedigree with other multi-year awardees including Intuit, Zappos, Under Armour, Pandora, Microsoft, Timberland, and Oracle.
PRN and Costco have collaborated on the network since its inception in 2004.
Ken Krieg, CEO of PRN noted, "We are fortunate to have Jerri Ann join PRN at this exciting time for the company.
Cathy's deep retail and marketing experience is a terrific match for a market such as digital out of home that depends upon a relentless focus on the consumer experience," said PRN CEO Richard Fisher.
Lindstrom added, "Appropriate nutriceutical therapy has helped many of my patients, and I am inspired to offer guidance and support to PRN as they rapidly expand the number of patients using their omega-3 and macular vitamin products.
Based in San Francisco, Sue Burger joins PRN as senior vice president of sales operations and client services, leading the sales development, market research, sales operations and advertiser services teams.
Kenneth Krieg, CEO of PRN Physician Recommended Nutriceuticals noted, "This product launch provides a tremendous opportunity to expand our reach in the rapidly growing UK market, and we are pleased to be collaborating with Scope Ophthalmics, a distributor that has such a strong reputation in the UK.