Prescription Drugs are those medicines which have a legal license by the authorities to sale and they should be given only at the advice of a doctor or a physician. No drugs can be taken without the permission of a doctor. There some special instructions are given in the package of these drugs. There is also information which indicates about the dosage and side effects of the cautions for its use, including warnings about allergies
As per rule these drugs can be used to cure the conditions not only requiring treatment from a health care professional and must been proven to meet higher safety standards for self-medication by the person who is taking it.

These drugs bear a “legend” prohibiting sale without a prescription and they are referred to as Prescription Only Medicine. Physicians may legally prescribe drugs for uses other than those specified in the Food and Drug Administration approval; this is known as off label use. Drug companies may not promote or market drugs for off-label uses
The effectiveness and safety of prescription drugs is taken care of by the Prescription Drug Marketing Act of 1987 in the US. The body that is responsible for the implementation of the law is Food and Drug Administration


