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Pegvaliase, sold under the brand name Palynziq, is a medication used for the treatment of the genetic disease phenylketonuria (PKU). [5] [9] [10] It is a phenylalanine (Phe)‑metabolizing enzyme. [5] Chemically, it is a pegylated derivative of the enzyme phenylalanine ammonia-lyase that metabolizes phenylalanine to reduce its blood levels. [5]
Phenylketonuria was discovered by the Norwegian physician Ivar Asbjørn Følling in 1934 [63] when he noticed hyperphenylalaninemia (HPA) was associated with intellectual disability. In Norway, this disorder is known as Følling's disease, named after its discoverer. [ 64 ]
Phenylketonuria (PKU)-like symptoms, including more pronounced developmental defects, skin irritation, and vomiting, may appear when phenylalanine levels are near 20 mg/dL (1200 mol/L). [1] Hyperphenylalaninemia is a recessive hereditary metabolic disorder that is caused by the body's failure to convert phenylalanine to tyrosine as a result of ...
The European Society for Phenylketonuria and Allied Disorders Treated as Phenylketonuria (E.S.PKU) is a Europe-based non-profit organization. It was founded in 1987 by patient-driven associations to help improve the treatment of phenylketonuria (PKU) in Europe.
Over-the-counter (OTC) medicines at FamilyDoctor.org, maintained by the American Academy of Family Physicians. Contains extensive information on over-the-counter drugs and their responsible use, including specific guidance on several drug classes in question-and-answer format and information on common drug interactions.
Because of the risks of this medication, people taking alpha-blockers, over-the-counter nitrate supplements (like amyl nitrate, isosorbide mononitrate, isosorbide dinitrate, or nitroglycerin) or ...
Although OTC drugs are generally regarded as safe for use without a prescription (by definition), medication errors still occur. For example, patients sometimes misuse OTC products by taking larger than recommended doses, in order to bring about symptomatic relief more quickly, or even intentionally abuse them for unlabeled indications. [ 4 ]
“Over-the-counter medications play a significant role in providing accessible and convenient treatment for a wide range of common health conditions—with erectile dysfunction being a very ...