English term
Technical, medical, legal translations
Native in: Spanish (Variant: Peruvian) 
Works in: English to Spanish, French to Spanish, Spanish
p.r.n.
HPI: Mr. XXX is a pleasant 71-year-old white gentleman who presents with a history ofd acid reflux. He is currently taking Nexium b.i.d and it does quite well. He monitors his diet and follows reflux precautions. He only occasionally has refluz and takes antacids p.r.n.
| 5 +10 | cuando lo necesita/ a demanda/ en caso necesario |
Andrés Martínez
|
| 5 +1 | cantidad necesaria |
Laura D
|
Non-PRO (1): Alvaro Aliaga
When entering new questions, KudoZ askers are given an opportunity* to classify the difficulty of their questions as 'easy' or 'pro'. If you feel a question marked 'easy' should actually be marked 'pro', and if you have earned more than 20 KudoZ points, you can click the "Vote PRO" button to recommend that change.
How to tell the difference between "easy" and "pro" questions:
An easy question is one that any bilingual person would be able to answer correctly. (Or in the case of monolingual questions, an easy question is one that any native speaker of the language would be able to answer correctly.)
A pro question is anything else... in other words, any question that requires knowledge or skills that are specialized (even slightly).
Another way to think of the difficulty levels is this: an easy question is one that deals with everyday conversation. A pro question is anything else.
When deciding between easy and pro, err on the side of pro. Most questions will be pro.
* Note: non-member askers are not given the option of entering 'pro' questions; the only way for their questions to be classified as 'pro' is for a ProZ.com member or members to re-classify it.
Proposed translations
Spain
Biologist -Biol Biotech Med Pharm Vet
Native in: Spanish (Variant: Standard-Spain) , Catalan (Variant: Central) 
Works in: English to Spanish, Spanish, Catalan to Spanish, and 2 more.
cuando lo necesita/ a demanda/ en caso necesario
Es la sigla de "Pro re nata", expresión latina que no se utiliza en español y que significa "cuando es necesario" o "en caso necesario" o "a demanda". Es decir, el paciente toma antiácidos cuando los necesita.
cantidad necesaria
(in prescriptions) abbreviation for pro re nata, a Latin phrase meaning "as needed." The administration times are determined by the patient's needs
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