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Testosterone can be taken by a variety of different routes of administration. [2] [3] These include oral, buccal, sublingual, intranasal, transdermal (gels, creams, patches, solutions), vaginal (creams, gels, suppositories), rectal (suppositories), by intramuscular or subcutaneous injection (in oil solutions or aqueous suspensions), and as a subcutaneous implant.
D007273. CPT. 96372. [edit on Wikidata] Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine, it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous ...
Testosterone can be used as a gel or transdermal patch that is applied to the skin topically, intramuscular injection (IM), buccally (a tablet dissolved between the gum and cheek inside the mouth), or as an oral tablet (tablet swallowed by mouth). [9] Common side effects of testosterone include acne, swelling, and breast enlargement in men. [9]
Testosterone propionate is administered in oil via intramuscular injection. [ 1 ] [ 2 ] It has a relatively short elimination half-life and mean residence time of 2 days and 4 days, respectively. [ 1 ] [ 2 ] As such, it has a short duration of action and must be administered two to three times per week.
Testosterone undecanoate, sold under the brand name Nebido among others, is an androgen and anabolic steroid (AAS) medication that is used mainly in the treatment of low testosterone levels in men, [9][7][10][11][12][13][14] It is taken by mouth or given by injection into muscle. [11][15]
Testosterone is the primary male sex hormone and androgen in males. [ 3 ] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
The EC 50 of androstanolone for activation of the AR is 0.13 nM, which is about 5-fold stronger than that of testosterone (EC 50 = 0.66 nM). [43] In bioassays, androstanolone has been found to be 2.5- to 10-fold more potent than testosterone. [41] Upon intramuscular injection in rats, androstanolone is about 1.5- to 2.5-fold the potency of ...
They are provided as an oil solution and are administered by intramuscular injection. [5] The different testosterone esters provide for different elimination half-lives in the body. Esterification of testosterone provides for a sustained but non-linear release of testosterone hormone from the injection depot into the circulation. Sustanon 100 ...