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An enteric coating is a polymer barrier applied to oral medication that prevents its dissolution or disintegration in the gastric environment. [1] This helps by either protecting drugs from the acidity of the stomach, the stomach from the detrimental effects of the drug, or to release the drug after the stomach (usually in the upper tract of the intestine). [2]
Methenamine mandelate is provided as an enteric coated tablet and is taken four times daily, whereas methenamine hippurate is available only in non-coated tablet form and is taken twice daily. [8] [14] [9] [4] Non-coated methenamine tablets can have a chemical taste described as sweet, sour, and/or metallic. [14] [37] [38]
Naproxen sodium is available as both an immediate-release and an extended-release tablet. The extended-release formulations (sometimes called "sustained release", or "enteric coated") take longer to take effect than the immediate-release formulations and therefore are less useful when immediate pain relief is desired.
Erythromycin is available in enteric-coated tablets, slow-release capsules, oral suspensions, ophthalmic solutions, ointments, gels, enteric-coated capsules, non enteric-coated tablets, non enteric-coated capsules, and injections. The following erythromycin combinations are available for oral dosage: [15] erythromycin base (capsules, tablets)
Tablets are easier to break accurately if scored, but there are devices called pill-splitters which cut unscored and scored tablets. Tablets with special coatings (for example, enteric coatings or controlled-release coatings) should not be broken before use, as this exposes the tablet core to the digestive juices, circumventing the intended ...
A film coating is a thin polymer-based coat that is typically sprayed onto solid pharmaceutical dosage forms, such as tablets, capsules, pellets or granules. Film coating can impact both its appearance and its pharmacokinetics making it an essential process in making the final drug product.