What is intraurethral alprostadil MUSE and how do I use it

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Intraurethral alprostadil (Vivus's MUSE) is an intraurethral medication (i.e., a drug that is injected into the urethra) that was approved by the FDA in June 1998. Alprostadil is a synthetic form of a normal body chemical, prostaglandin E1, that causes increased blood flow into the penis. MUSE works differently than sildenafil (Viagra), the oral therapy for ED. That is, the prostaglandin in MUSE stimulates the production of a chemical called cAMP, which, like cGMP, can cause the relaxation of smooth muscle and thus increase blood flow to the penis.

MUSE is an on-demand medication, meaning that you must take it each time that you wish to achieve an erection. The suppository of the alprostadil is enclosed in a small applicator (Figure 33). You should void before inserting the tip of the applicator into your penis, because voiding helps lubricate the urethra. Other topical lubricants, such as K-Y Jelly, Vaseline, and mineral oil, cannot be used with MUSE because they interfere with the absorption of the alprostadil. Once the applicator

Muse Alprostadil
Figure 33 Muse insertion.

is placed into the urethra, you squeeze the small round button at the end, which releases the suppository into the urethra. Gently rocking the applicator from side to side will ensure that the suppository disengages from the applicator and remains within the urethra when the applicator is removed. Once the applicator is removed, gentle massaging of the penis causes the suppository to dissolve in the urethra.

Once in the penis, the alprostadil is absorbed through the urethral tissue and travels via blood vessels into the corpora cavernosa (the erectile tissue of the penis). There, it stimulates dilation of the arteries and provides for relaxation of the cavernosal smooth muscle within 10 to 20 minutes. The onset of a response to the MUSE is quick, usually occurring within 7 to 20 minutes after it is administered. The duration of the response varies with the dose and ranges from 60 to 80 minutes.

Several doses of MUSE are available: 125,250, 500, and 1000 |ig. This medication must be refrigerated.

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Responses

  • Eugene Collard
    Does medication muse have to be refrigerated?
    1 year ago
  • Roger Hutsell
    What is intravrethrsl prostaglandin?
    11 months ago
  • Joshua
    How to use muse intraurethrAL?
    11 months ago
  • OSKAR
    What is intraurethral alprostadil for?
    10 months ago
  • suzanne
    How safe are intraurethal medicine for ed?
    7 months ago
  • Cordelia Iadanza
    Does muse require refrigiraton?
    3 months ago
  • Massawa Tewelde
    Does ed medication need to be refrigrated?
    3 months ago
  • dirk
    How to Inject Muse Show?
    1 month ago
  • jenice
    Can muse alprostadil penile supportories be refrigerated again?
    24 days ago

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