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.
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 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 ?
In an interview, he said he'd like to see the skin patch studied at doses above 250 meg in adolescents and adults.
Definite loss of sensation in a skin patch is diagnostic of leprosy.
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 skin patch can prime the immune system to fend off traveler's diarrhea, a test shows.
Hewlett-Packard Co (Palo Alto CA), the world's biggest maker of computer printers, found a way to use ink-cartridge technology to create a skin patch with thousands of tiny needles that deliver precise dosages of drugs.
A skin patch that delivers low-dose estradiol has no apparent harmful effects on cognitive abilities or health-related quality of life.
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.
But according to a new study, HRT taken via a skin patch does the opposite.
College of Pharmacy to develop a marijuana skin patch to control chemotherapy-related nausea and vomiting.
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).