Enantiomers

Introductory question How much active ingredient is in a 10 mg cetirizine tablet? (a) 5 mg B) 7.5 mg C) 10 mg The correct answer is a. Image and mirror image Many active pharmaceutical ingredients exist as racemates. They consist of two molecules that behave like an image and mirror image of each other. These … Enantiomers

Ketoprofen

Products Ketoprofen is commercially available as a gel (Fastum). It has been approved in many countries since 1992 and in the EU since 1978. The -enantiomer dexketoprofen is available as tablets and as a solution for injection (Ketesse). This article refers to external use. After the safety of topical ketoprofen was questioned in France in … Ketoprofen

Photosensitivity

Symptoms Photosensitivity often manifests like sunburn in extensive skin redness, pain, a burning sensation, blistering, and hyperpigmentation after healing. Other possible skin reactions include eczema, itching, urticaria, telangiectasia, tingling, and edema. The nails may also be affected less frequently and may peel off in front (photoonycholysis). The symptoms are limited to the areas of the … Photosensitivity

Fenofibrate

Products Fenofibrate is commercially available in the form of capsules (lipanthyl). It has been approved in many countries since 1977. In 2014, a fixed combination with simvastatin was registered (Cholib); see Fenofibrate Simvastatin. Structure and properties Fenofibrate (C20H21ClO4, Mr = 360.8 g/mol) exists as a white crystalline powder that is practically insoluble in water. It … Fenofibrate

NSAID

Products Nonsteroidal anti-inflammatory drugs (NSAIDs) are available in numerous dosage forms. These include film-coated tablets, tablets, sustained-release tablets, oral suspensions, oral granules, suppositories, NSAID eye drops, lozenges, emulsifying gels, and creams (selection). The first active ingredient from this group was salicylic acid, which was used medicinally in the 19th century in the form of the … NSAID

Dexketoprofen

Products Dexketoprofen is commercially available as film-coated tablets and as a solution for injection (Ketesse). It has been approved in many countries since 2000. In 2017, a fixed combination with tramadol was registered; see Tramadol Dexketoprofen (Skudexa). Structure and properties Dexketoprofen (C16H14O3, Mr = 254.3) is the active -enantiomer of ketoprofen, which exists as a … Dexketoprofen

Meulengracht’s Disease

Background The human organism has several mechanisms to metabolize endogenous and foreign substances. One of these mechanisms is glucuronidation, which occurs primarily in the liver. In this process, enzymes from the superfamily of UDP-glucuronosyltransferases (UGT) transfer a molecule of glucuronic acid from UDP-glucuronic acid to the substrate. Using acetaminophen as an example, alcohols, phenols, carboxylic … Meulengracht’s Disease