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Special prescription forms, sometimes called narcotic prescription forms, controlled prescription forms, psychotropic prescription forms or triplicate prescription forms (because they often have to be signed in triplicate) are forms required in some countries for the prescription of controlled narcotics and other psychotropic substances, for which a standard medical prescription is not sufficient.
Sustained-release dosage forms are dosage forms designed to release (liberate) a drug at a predetermined rate in order to maintain a constant drug concentration for a specific period of time with minimum side effects. This can be achieved through a variety of formulations, including liposomes and drug-polymer conjugates (an example being ...
Drug delivery systems have been around for many years, but there are a few recent applications of drug delivery that warrant 1. Drug delivery to the brain: Many drugs can be harmful when administered systemically; the brain is very sensitive to medications and can easily cause damage if a drug is administered directly into the bloodstream.
Depot injections can be created by modifying the drug molecule itself, as in the case of prodrugs, or by modifying the way it is administered, as in the case of oil/lipid suspensions. Depot injections can have a duration of action of one month or greater and are available for many types of drugs, including antipsychotics and hormones.
Self-microemulsifying drug delivery system; Sink condition; Smoking; Snuff (tobacco) Softgel; Sol–gel process; Solution (chemistry) Subcutaneous administration; Suppository; Suspension (chemistry) Modified-release dosage; Syrup
The concept of stimuli-responsive drug delivery systems can actually be seen as ahead of this time, since the first pH-responsive drug coating was used in the late 1950s in Europe. [4] These coatings were used on drugs delivered to the stomach, so that they would protonate and dissolve at low pH to release drug. [4]
The drug is expelled via the laser-drilled hole visible on the left side of the tablet. The osmotic-controlled release oral delivery system (OROS) is an advanced controlled release oral drug delivery system in the form of a rigid tablet with a semi-permeable outer membrane and one or more small laser drilled holes in it.
The drug or other substance has no currently accepted medical use in treatment in the United States. There is a lack of accepted safety for use of the drug or other substance under medical supervision. The complete list of Schedule I substances is as follows. [1] The Administrative Controlled Substances Code Number for each substance is included.