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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
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.
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.
Modified-release dosage is a mechanism that (in contrast to immediate-release dosage) delivers a drug with a delay after its administration (delayed-release dosage) or for a prolonged period of time (extended-release [ER, XR, XL] dosage) or to a specific target in the body (targeted-release dosage).
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.
Gradient responsive drug delivery systems are stimulated to deliver therapeutics through contact with an endogenous chemical gradient. When the system comes into contact with its specific chemical gradient, increased concentration of the chemical can lead to the conformational change or degradation of a drug carrier to allow drug release.
The extended-release (controlled release) version distributes the release of the drug into the gastrointestinal tract over a longer period than normal venlafaxine. This results in a lower peak plasma concentration. Studies have shown that the extended-release formula has a lower incidence of nausea as a side effect, resulting in better ...
These include the requirement that two people need to authorize each controlled-drug e-prescription. One person confirms that the practitioner is authorized to sign the prescription. The second person is the practitioner who confirms his identity using the two-factor authentication system described above.