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Enteric coating may also be used during studies as a research tool to determine drug absorption. [3] Enteric-coated medications pertain to the "delayed action" dosage form category. Tablets , mini-tablets, pellets and granules (usually filled into capsule shells) are the most common enteric-coated dosage forms .
Essentially, the capsule consists of extremely small enteric-coated granules (pellets) of the esomeprazole formulation inside an outer shell. When the capsule is immersed in an aqueous solution, as happens when the capsule reaches the stomach, water enters the capsule by osmosis .
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.
It is available as delayed-release capsules or tablets and as esomeprazole sodium for intravenous injection/infusion. Oral esomeprazole preparations are enteric-coated, due to the rapid degradation of the drug in the acidic condition of the stomach. This is achieved by formulating capsules using the multiple-unit pellet system.
PPI exist in the forms of oral enteric coated tablets or enteric granules capped within capsules. To ensure the effectiveness of the medication, patients should swallow the whole tablet. [62] They should not chew or cut the tablets, nor open the capsule and grind the granules. [62]
Extended release tablets – Epilim Chrono by Sanofi is a combination of sodium valproate and valproic acid in a 2.3:1 ratio. Enteric-coated tablets – Epilim EC200 by Sanofi is a 200 mg sodium valproate enteric-coated tablet.
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 delayed-release effect.
Enteric coated tablets are designed to dissolve in the intestine, not the stomach, because the drug present in the tablet causes irritation in the stomach. Administering medication rectally. The rectal route is an effective route of administration for many medications, especially those used at the end of life.
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