skin patch


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Related to skin patch: transdermal patch

skin patch,

 

transdermal patch,

or

transdermal delivery system,

adhesive patch used to deliver a controlled dose of a drug through the skin over a period of time. A skin patch uses a special membrane to control the rate at which the liquid drug contained in the reservoir within the patch can pass through the skin and into the bloodstream. Some drugs must be combined with substances, such as alcohol, that increase their ability to penetrate the skin in order to be used in a skin patch. Drugs administered through skin patches include scopolamine (for motion sickness), nicotine (for quitting smoking), estrogen (for menopausemenopause
or climacteric
, transitional phase in a woman's life when the ovaries stop releasing eggs, ovarian production of estrogen and other hormones tapers off, and menstruation ceases.
..... Click the link for more information.
 and to prevent osteoporosis after menopause), nitroglycerin (for angina), and lidocaine to relieve the pain of shingles (herpes zosterherpes zoster,
infection of a ganglion (nerve center) with severe pain and a blisterlike eruption in the area of the nerve distribution, a condition called shingles. The causative organism is varicella zoster, a common, filtrable virus that is also known to cause chicken pox.
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). Molecules of insulin and many other substances, however, are too large to pass through the skin.
References in periodicals archive ?
If there is any doubt as to whether a patient has a true allergy to neomycin, skin patch testing may be performed.
Ortho Evra is a skin patch that releases the hormones estrogen and progestin.
Skin patch tests use the patient's glove or latex product to screen for an immediate or delayed hypersensitivity and to evaluate the cause of the skin irritation Use of the latex product in question helps to ensure an accurate diagnosis since no standardized patch test exists.
Provides assessments of prescription skin patch products in two dozen key market segments
A new skin patch may offer relief to patients in the early stages of Parkinson's disease.
Although not widely considered to be a safe diagnostic procedure, several studies have evaluated elicitation of the cutaneous beryllium DTH response in beryllium-sensitized and CBD patients using the skin patch test (Bobka et al.
Small doses of nicotine delivered through a skin patch, an inhaler, or chewing gum (nicotine replacement therapy, or NRT) can be used alone or in combination with Zyban, the prescription drug bupropion (also sold as an antidepressant, as Wellbutrin).
Engineers Mark Prausnitz and Mark Allen at the Georgia Institute of Technology have developed a skin patch of microneedles (needles thinner and shorter than the diameter of a human hair), which they hope will eventually deliver painless medication.
Anti-amalgam dentists use a variety of screening mechanisms to determine mercury levels, including a symptom questionnaire, an electrical corrosion reader, skin patch test, and mercury level analyses.
Analyzes and evaluates prescription skin patch products and assesses risks and market potential
Now, a team of child health specialists has pioneered a revolutionary skin patch that can cure people of life-threatening allergies, reports the Daily Express.
A SKIN patch which predicts the best time a woman can become pregnant has been unveiled by scientists.