An intramuscular injection of a drug that gives a slow, steady release of its active chemicals into the bloodstream. Release of the drug is slowed by the inclusion of substances such as oil or wax. The release of the active drug can be made to last for hours, days, or weeks.
A depot injection is useful for patients who may not take their medication correctly.
It also prevents the necessity of giving a series of injections over a short period.
Hormonal contraceptives (see contraception, hormonal methods of), corticosteroid drugs, and antipsychotic drugs may be given by depot injection.
Side effects may arise due to the uneven release of the drug into the bloodstream.
the administration of a sustained-action drug formulation that allows slow release and gradual absorption, so that the active agent can act for much longer periods than is possible with standard injections. Depot injections are usually given deep into a muscle; some contraceptive hormones are available in a depot formulation.
An injection is the introduction of a substance into the body using a syringe and an attached needle. Injections may be given under the skin (subcutaneous), via a vein (intravenous), deep into a muscle (intramuscular), or into the ?uid surrounding the spinal cord (intrathecal).... injections
the injection of a bulking agent (e.g. collagen) into the tissues around the urethra, used for the treatment of urodynamic stress *incontinence. Such injections have a low morbidity and are easy to administer, and results are better in women with good bladder-neck support but poor urethral function. The short-term success rates of these procedures are reasonable, but long-term success rates are poor.... periurethral injection
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