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serving to avert the occurrence of; prophylactic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


1. Preventing disease; relating to prophylaxis. Synonym(s): preventive
2. An agent that acts to prevent a disease.
[G. prophylaktikos; see prophylaxis]
Farlex Partner Medical Dictionary © Farlex 2012


(prĭ-vĕn′tĭv) also


1. Intended or used to prevent or hinder; acting as an obstacle: preventive measures.
2. Carried out to deter expected aggression by hostile forces.
3. Preventing or slowing the course of an illness or disease; prophylactic: preventive medicine; preventive health care.
1. Something that prevents; an obstacle.
2. Something that prevents or slows the course of an illness or disease.

pre·ven′tive·ly adv.
pre·ven′tive·ness n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


1. Preventing disease; relating to prophylaxis.
Synonym(s): preventive.
2. An agent that acts to prevent a disease.
3. Colloq. used to mean condom, and to a lesser extent, a method of birth control.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


1. Preventing disease; relating to prophylaxis.
Synonym(s): preventive.
2. Agent that acts to prevent disease. e.g., a condom
[G. prophylaktikos; see etymology of prophylaxis]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about preventive

Q. Is there something I could do in order to prevent headaches? I have headaches often and somebody told me that there're steps to be taken in order to prevent headaches so often... Please help...

A. I just read your question on headaches. I have them occasionally as well. I don't like to take over the counter medication for headaches, so I rely on herbal supplemnts. You are ayoung man so I'm assuming you are very healthy. This herbal supplement shouldn't hurt you. It's very safe. I take at least 2 Valerian root capsules before going to bed. It relaxes your body abd it helps to eliminate headeaches.It also lowers the blood pressure which can sometimes cause headaches. Be sure you rule out any oraganic problems which can also cause headaches. You can find Valerian root at any health food/ organic markets.Also look at your diet MSG in food gives me headaches as well. I can always tell if it's present in foods right after I eat something processed. I stick with whole foods and I do yoga which helps as well. Let me know how if this works.

Q. How to prevent diverticulitis? I am a 43 year old man. I just had colonoscopy and my Doctor said I have diverticulosis and am at risk in developing diverticulitis. How can I prevent developing diverticulitis?

A. You have Diverticulosis, which means you have diverticulas (small pouches) on your digestive system. These diverticula are permanent and will not go away. No treatment has been found to prevent complications of diverticular disease. Diet high in fiber increases stool bulk and prevents constipation, and theoretically may help prevent further diverticular formation or worsening of the diverticular condition. Some doctors recommend avoiding nuts, corn, and seeds which can plug diverticular openings and cause diverticulitis. Whether avoidance of such foods is beneficial is unclear. If you develop unexplained fever, chills or abdominal pain, you should notify your doctor immediately since it could be a complication of diverticulitis.

Q. How to prevent Hemorrhoids? My brother is suffering from Hemorrhoids. I am very worried about getting them to and want to know how can I prevent them?

A. it's time to change to a healthier with fibers and vegetables.avoid causes like: Increased straining during bowel movements,portal hypertension, Obesity and Excessive consumption of alcohol or caffeine.

More discussions about preventive
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References in periodicals archive ?
Alternatively, said the judge, NHS England has "mischaracterised the PrEP treatment as preventative when in law it is capable of amounting to treatment for a person with infection".
"Both firms have issued reports on the advantages of preventative maintenance and how much money you can save.
Russo: To maintain natural gas engines, operators must keep to a strict preventative maintenance program that calls for regular oil analysis, coolant analysis, engine temperature checks, engine pressure tests and filter changes.
Bruel & Kjaer VTS has a range of Preventative Maintenance Plans and Service Agreements designed to minimise downtime, maximize the life of your LDS equipment and avoid unplanned repair costs.
Preventative care, including mammograms, pap smears, HPV testing and physical examinations are often not fully covered by insurance companies in the UAE, meaning that for many women they are an added cost.
In the absence of vaccines and other preventative measures, we distribute awareness materials highlighting the symptoms and need to act quickly, which can mean the difference between life and death.
Nearly two-thirds of councillors questioned said their local authority had cut or frozen funding for preventative and lower-level social care since the last local election.
Safety Observation Conversation (SOC) is a behavioural technique to sustain a company's HSSE corporate culture by encouraging all employees to be accountable for maintaining safe operations and a systematic tool to detect and identify potential incidents in order to prepare a preventative line of action that follows zero-tolerance for accidents.
M2 PHARMA-June 22, 2012-Gentris Corporation signs MoU with Shanghai Institutes of Preventative Medicine(C)2012 M2 COMMUNICATIONS
We used The Health Improvement Network (THIN) database to identify risk factors for thermal injury, fractures and poisoning in pre-school children in order to inform the optimal delivery of preventative strategies.
Summary: DUBAI - The Emirates Identity Authority (Eida) announced that it will open a new registration centre near the Preventative Medicine Centre (PMC) close to Al Baraha Hospital on February 26.
French President Nicholas Sarkozy warned Iran on Tuesday of the possibility of a preventative strike on its nuclear facilities should the country continue with its nuclear ambitions, according to the London-based daily newspaper AL-QUDS paper on Thursday.