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A prescription drug is a licensed medicine that is regulated by legislation to require a prescription before it can be obtained. The term is used to distinguish it from over-the-counter drugs which can be obtained without a prescription. Different jurisdictions have different definitions of what constitutes a prescription drug.
Dispensation of prescription drugs often includes a package insert (in Europe, a Patient Information Leaflet or PIL) that gives detailed information about the drug.
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Regulation in United States
In the United States, the Federal Food, Drug, and Cosmetic Act defines what requires a prescription. Prescription drugs are generally authorized by veterinarians, dentists, optometrists, physicians and nurse practitioners, though physician assistants do an increasing amount of drug prescribing under a physician's supervision. It is generally required that an MD, DO, DPM, NP, DVM, DDS, DMD, OD, or PA write the prescription; basic-level registered nurses (as opposed to advanced practice nurses such as a nurse practitioner, clinical nurse specialist, nurse anesthetist, and nurse midwife), emergency medical technicians, psychologists (but not psychiatrists, who are physicians), and social workers as examples, do not have the authority to prescribe drugs.
The package insert for a prescription drug contains information about the intended effect of the drug and how it works in the body. It also contains information about side effects, how a patient should take the drug, and cautions for its use, including warnings about allergies.
The safety and effectiveness of prescription drugs in the US is regulated by the federal Prescription Drug Marketing Act of 1987. The Food and Drug Administration is charged with implementing this law.
As a general rule, over the counter (OTC) drugs are used to treat conditions not necessarily requiring care from a health care professional and have been proven to meet higher safety standards for self-medication by patients. Often a lower strength of a drug will be approved for OTC use, while higher strengths require a prescription to be obtained; a notable case is ibuprofen, which has been widely available as an OTC pain killer since the mid-1980s but is still available by prescription in doses up to four times the OTC dose for use in cases of severe pain not adequately controlled by the lower, OTC strength.
Herbal preparations, vitamins, minerals, and food supplements are not regulated by the FDA, so the individual consumer must be aware of the potential negative effects of using these preparations and also the potential interactions with prescription drugs they may be taking.
In the United States, the term "prescription drug" is most commonly used, but they are also called Rx-only drugs or legend drugs, after the Federal and State laws which mandate that all such drugs bear a "legend" prohibiting sale without a prescription; though more complex legends have been used, on most original drug packaging today the legend simply says "Rx only". In the United Kingdom, they are referred to as Prescription Only Medicine or POM.
Also, pharmacies operated by membership clubs, such as Costco and Sam's Club, by law must allow non-members to use their pharmacy services and must charge the same prices as to members.
Regulation in United Kingdom
In the United Kingdom, a patient visits a general practitioner (GP) who is able to prescribe medication. If given an NHS prescription, this can be taken to a pharmacy to be dispensed.[1] District nurses and health visitors have had limited prescribing rights since the mid-nineties where prescription for dressings and simple medicines would have had to have been signed by a doctor. Extended prescribing was introduced in late 1999, where appropriately trained nurses could prescribe from a limited list of POMs. From 2006, some nurses and pharmacists will be permitted to prescribe all medicines in the British National Formulary, except controlled drugs directly. Each item on the prescription is liable to a prescription charge in England of £7.10 (as of 1st April 2008)[2],This charge is paid entirely to the NHS through the pharmacy, while the pharmacy claims the cost of the medicine dispensed. Each "item" can cover any prescribed item in a very large or very small quantity according to the doctor's prescription. This means that the patients perceived "value" of the charge varies enormously - the actual cost of the medicine given out will routinely vary from a few pence to hundreds of pounds. However, physicians can prescribe a maximum three-month supply of the medication in order for it to be covered under the NHS. If a physician wishes to prescribe a supply in excess of three months, the physician must write a separate, private prescription for the balance of the medication supply over three months which the patient must pay full-price for.[1] Certain groups of patients are exempt from this charge, such as those over 60, under 16 (or under 19 if in full-time education), patients with certain medical conditions, those on certain benefits and those with an HC2 certificate[3], which is issued if a patient can prove their income is under £8,000 per year. However, in Wales prescription charges have been abolished and in Scotland prescription charges have been reduced to £5 (as of 1st April 2008) as a first phase of abolishing them over the next three years.[4]
An HC2 certificate can be applied for — although not automatically granted — by those on a low income or in receipt of incapacity benefit. Claimants of "Jobseekers" and "Income support" automatically receive free prescriptions and dentistry.[3]
Those requiring regular prescriptions may make a saving by purchasing a pre-payment certificate which covers the cost of all prescriptions required for three months or a year. As of 1st April 2008 they cost £27.85 for 3 months and £102.50 for 12 months (offering savings to anyone who needs more than 3 prescriptions in 3 months or 14 prescriptions in 12 months).
Many of the prescriptions dispensed on NHS are exempt from charges. This is because of the large number of medicines needed by, for example, the elderly or those with medical exemptions. NHS prescriptions can also be written for certain items by dentists and nurses. Some patients also receive private prescriptions, typically either from a doctor seen privately or for medicine not covered on the NHS.[1] For these, the patient will pay the pharmacy directly for the cost of the medicine and the pharmacy's markup.
Expiration date
The expiration date, required in the United States and many other countries, specifies the date the manufacturer guarantees the full potency and safety of a drug. Most medications are potent and safe for some period of time after the expiration date, although a person should never take expired medication unless expressly told to do so by a physician or pharmacist as some medications can break down into toxic substances in mere months after their expiration date.[5]
See also
- Regulation of therapeutic goods
- Package insert
- Pill splitting
- Prescription drug prices in the United States
References
- ^ a b c Patients and Prescribing: Rights and Responsibilities British Medical Association, September, 2004. Retrieved on June 27, 2008.
- ^ 300,000 prescriptions lost by NHS BBC News, March 6, 2008
- ^ a b Help with Health Costs NHS. Retrieved on June 27, 2008.
- ^ Staged end to prescription charge BBC News, December 5, 2007
- ^ Health Risk: Avoid Expired Medications Hykra, June 10, 2008. Retrieved on June 27, 2008.
Environmental problems
Traces of prescription drugs -- including antibiotics, anti-convulsants, mood stabilizers and sex hormones -- have been detected in drinking water in USA. These may be harmful to wildlife and humans.<ref>{{cite news
| last = | first = | title = Prescription drugs found in drinking water across U.S. | publisher = Associated Press | date = 2008-03-10 | url = http://edition.cnn.com/2008/HEALTH/03/10/pharma.water1/index.html | accessdate = 2008-06-23}}
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Further reading
- The Optimal Level of Regulation in the Pharmaceutical Industry (Yale Economic Review)
- Jerry Avorn, Powerful Medicines: The Benefits, Risks, and Costs of Prescription Drugs, Random House (2004), hardcover, 448 pages, ISBN 0-375-41483-5
- Prescription drugs find place in teen culture in USA Today, June 12, 2006
- Prescription Drug Information - Online community for discussing prescription medicine.
Wikipedia content modification information:
- This page was last modified on 30 June 2008, at 23:38.
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