- Estrogen patch
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The estrogen patch (oestrogen patch) is a delivery system for estradiol, which is used as hormone replacement therapy to treat the problems of menopause, such as hot flashes and vaginal dryness, or to prevent osteoporosis. The estrogen is given transdermally rather than via oral tablets, meaning that the estrogen patch carries similar risks and benefits that conventional forms of estrogen-only hormone replacement therapy have, but there are also important differences. For example, transdermal estrogen bypasses the liver so avoids the liver effects that occur with use of oral medications, and has slightly different effects on triglycerides and cholesterol than oral estrogens.
Contents
Administration
Applied twice weekly or weekly, depending on the brand, to fatty areas of the skin which crease less, preferably the lower abdomen or buttocks. Never to the breasts.
Brand names
"Evorel patch" redirects here. For the brand of patch containing ethinyl estradiol and norelgestromin, see Evra patch.- Alora (United States)
- Climara (United States)
- Dermestril (United Kingdom)
- Elleste Solo (United States)
- Esclim (United States) (Discontinued in 2005)
- Estraderm (United Kingdom)
- Estradot (United Kingdom)
- Evorel (United Kingdom)
- Fematrix (United Kingdom)
- Fempatch (United States)
- FemSeven (United Kingdom)
- Menostar (United States)
- Vivelle-Dot (Originally marketed as Vivelle (Novartis), but superseded by this smaller version with better adhesion in 2000. Vivelle was discontinued in 2003.)
References
Routes of administration / Dosage forms Oral Buccal / Sublabial / Sublingual- Mouthwash
- Toothpaste
- Ointment
- Oral spray
- Oxygen mask
- Oxygen concentrator
- Anaesthetic machine
- Relative analgesia machine
Ocular / Otologic / Nasal - Nasal spray
- Ear drops
- Eye drops
- Ointment
- Hydrogel
- Nanosphere suspension
- Mucoadhesive microdisc (microsphere tablet)
Urogenital - Ointment
- Pessary (vaginal suppository)
- Vaginal ring
- Vaginal douche
- Intrauterine device (IUD)
- Extra-amniotic infusion
- Intravesical infusion
Rectal (enteral) - Ointment
- Suppository
- Enema (Solution • Hydrogel)
- Murphy drip
- Nutrient enema
Dermal Injection / Infusion
(into tissue/blood)- Intracavernous
- Intravitreal
- Intra-articular or intrasynovial injection
- Transscleral
- Intracerebral
- Intrathecal
- Epidural
Additional explanation: Mucous membranes are used by the human body to absorb the dosage for all routes of administration, except for "Dermal" and "Injection/Infusion".
Administration routes can also be grouped as Topical (local effect) or Systemic (defined as Enteral = Digestive tract/Rectal, or Parenteral = All other routes).Routes of administration by organ system Gastrointestinal Respiratory system Pulmonary • NasalVisual system / Auditory system Ocular (Ocular-topical / Intravitreal / Transscleral) • Otologic (Oto-topical)Reproductive system Intracavernous • Intravaginal • Intrauterine (Extra-amniotic)Urinary system IntravesicalPeritoneum Central nervous system Intracerebral • Intrathecal • EpiduralCirculatory system Musculoskeletal system Skin Epicutaneous • Intradermal • SubcutaneousExternal Links
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