Drug injection can lead to a dependency by both physical and psychological means — and develops more quickly than with other methods of taking drugs. In recreational-use drug culture, preparation may include mixing the powdered drug with water to create an aqueous solution, and then the solution is injected. This act is often colloquially referred to as "slamming", "shooting [up]", “smashing”, "banging", "pinning", or "jacking-up", often depending on the specific drug subculture in which the term is used (i.e. heroin, cocaine, or methamphetamine). There are a variety of reasons why drugs would be more attractive to inject rather than take through other
Drug nomenclature are called either trimethoprim/sulfamethoxazole or co-trimoxazole. Similarly, co-codamol is codeine-acetaminophen, and co-triamterzide is triamterene-hydrochlorothiazide. The USP ceased maintaining PENs, but the similar "co"-prefixed BANs are still current. For drugs that make it all the way through development, testing, and regulatory acceptance, the pharmaceutical company then gives the drug a trade name, which is a standard term in the pharmaceutical industry for a brand name or trademark name. For example, Lipitor is Pfizer's trade name for atorvastatin, a cholesterol-lowering medication. Also, Atocor is an Atorvastatin brand in India. Drug names are often subject to legal regulation, including approval for new drugs