Drugs

A drug is any chemical or biological substance, synthetic or non-synthetic, that when taken into the organism's body, will in some way alter the functions of that organism. This broad definition can be taken to include such substances as food. However more strict applications of the word prevail in everyday life. In these cases the word "drug" is usually used to refer specifically to medicine, vitamins, entheogenic sacraments, consciousness expanding or recreational drugs. Many natural substances such as beers, wines, and some mushrooms, blur the line between food and drugs, as when ingested they affect the functioning of both mind and body. The word "drug" is etymologically derived from the Dutch/Low German word "droog", which means "dry", since in the past, most drugs were dried plant parts[citation needed].
Drugs are usually distinguished from endogenous biochemicals by being introduced from outside the organism. For example, insulin is a hormone that is synthesized in the body; it is called a hormone when it is synthesized by the pancreas inside the body, but if it is introduced into the body from outside, it is called a drug.

Medication

A medication or medicine is a drug taken to cure and/or ameliorate any symptoms of an illness or medical condition, or may be used as preventive medicine that has future benefits but does not treat any existing or pre-existing diseases or symptoms.
Dispensing of medication is often regulated by governments into three categories — over-the-counter (OTC) medications, which are available in pharmacies and supermarkets without special restrictions, behind-the-counter (BTC), which are dispensed by a pharmacist without needing a doctor's prescription, and Prescription only medicines (POM), which must be prescribed by a licensed medical professional, usually a physician.
Most over-the-counter medications are generally considered to be safe enough that most people will not hurt themselves if they are taken as instructed[citation needed]. In the UK, BTC medicines are called pharmacy medicines which can only be sold in registered pharmacies, by or under the supervision of a pharmacist. However, the precise distinction between OTC and prescription drugs depends on the legal jurisdiction.
Medications are typically produced by pharmaceutical companies and are often patented to give the developer exclusive rights to produce them, but they can also be derived from naturally occurring substance in plants called herbal medicine. Those that are not patented (or with expired patents) are called generic drugs since they can be produced by other companies without restrictions or licenses from the patent holder.
Drugs, both medications and recreational can be administered in a number of ways:
Orally, as a liquid or solid (pill), that is absorbed through the stomach.
Inhaled, (breathed into the lungs), as a vapor.
Injected as a liquid either intramuscular or intravenous (put under the skin, into a vein or muscle tissue with the use of a hypodermic needle).
Rectally as a suppository, that is absorbed by the colon.
Vaginally as a suppository, primarily to treat vaginal infections.
Bolus, a substance into the stomach to dissolve slowly.
Many drugs can be administered in a variety of ways.

Drug abuse

Drug abuse has a wide range of definitions related to taking a psychoactive drug or performance enhancing drug for a non-therapeutic or non-medical effect. Some of the most commonly abused drugs include alcohol, amphetamines, barbiturates, cocaine, methaqualone, opium alkaloids, and minor tranquilizers. Use of these drugs may lead to criminal penalty in addition to possible physical, social, and psychological harm, both strongly depending on local jurisdiction.[2] Other definitions of drug abuse fall into four main categories: public health definitions, mass communication and vernacular usage, medical definitions, and political and criminal justice definitions

Drug addiction

Drug addiction is a condition characterized by compulsive drug intake, craving and seeking, despite what the majority of society may perceive as the negative consequences associated with drug use.[2]
Although being addicted implies drug dependence, it is possible to be dependent on a drug without being addicted. People that take drugs to treat diseases and disorders, which interfere with their ability to function, may experience improvement of their condition.
Such persons are dependent on the drug, but are not addicted. One is addicted, rather than merely dependent, if one exhibits compulsive behavior towards the drug and has difficulty quitting it.
To qualify as being dependent a person must
Take a drug regularly
Experience unpleasant symptoms if discontinued, which makes stopping difficult.
Substance abuse can occur with or without dependency, and with or without addiction. Substance abuse is any use of a substance, which causes more harm

Vysali (Pharmaceutical company)

A Vysali, or pharmaceutical company, or drug company, is a commercial business whose focus is to research, develop, market and/or distribute drugs, most commonly in the context of healthcare. They can deal in generic and/or brand medications. They are subject to a variety of laws and regulations regarding the patenting, testing and marketing of drugs. From its beginnings at the start of the 19th Century, the pharmaceutical industry is now one of the most successful and influential, attracting both praise and controversy.

Rahul Soman

Production Pharmacist