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Generic Product Identifier. The Generic Product Identifier (GPI) is a 14-character hierarchical classification system created by Wolters Kluwer's Medi-Span that identifies drugs from their primary therapeutic use down to the unique interchangeable product regardless of manufacturer or package size. The code consists of seven subsets, each ...
The first edition of The Merck Manual was published in 1899 by Merck & Co., Inc. for physicians and pharmacists and was titled Merck's Manual of the Materia Medica. [6] [7] The 192 page book which sold for US $1.00, was divided into three sections, Part I ("Materia Medica") was an alphabetical listing of all known compounds thought to be of therapeutic value with uses and doses; Part II ...
A tablet (also known as a pill) is a pharmaceutical oral dosage form (oral solid dosage, or OSD) or solid unit dosage form. Tablets may be defined as the solid unit dosage form of medication with suitable excipients. It comprises a mixture of active substances and excipients, usually in powder form, that are pressed or compacted into a solid dose.
Medical prescription. A prescription, often abbreviated ℞ or Rx, is a formal communication from a physician or other registered healthcare professional to a pharmacist, authorizing them to dispense a specific prescription drug for a specific patient. Historically, it was a physician's instruction to an apothecary listing the materials to be ...
Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic. It is 30 to 50 times more potent than heroin and 100 times more potent than morphine; [10] its primary clinical utility is in pain management for cancer patients and those recovering from painful surgeries. [11][12] Fentanyl is also used as a sedative. [13]
Combined oral contraceptive pills are a type of oral medication that were originally designed to be taken every day at the same time of day in order to prevent pregnancy. [26][37] There are many different formulations or brands, but the average pack is designed to be taken over a 28-day period (also known as a cycle).
Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication primarily used to treat partial seizures and neuropathic pain. [7][10] It is a commonly used medication for the treatment of neuropathic pain caused by diabetic neuropathy, postherpetic neuralgia, and central pain. [11]
Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. [5][6][8] It is taken by mouth. [8] Onset is typically within half an hour and the duration is up to 36 hours. [8]