Pharmaceutical Coatings

Pharmaceutical Coatings

Pharmaceutical coatings are applied to tablets and capsules with the purpose of improving their appearance, protecting the active ingredient from degradation, facilitating swallowing, and masking the taste.

What are Pharmaceutical Coatings?

Pharmaceutical coatings are external layers applied to medications and supplements for various purposes. From protecting the active ingredient to improving administration, these coatings play a crucial role in pharmaceutical formulation for both human and veterinary use. 

Highlighted Properties/Advantages

Protection of the Active Ingredient: Pharmaceutical coatings offer a protective layer around the active ingredient, safeguarding it from adverse environmental conditions.

Taste Masking: They enhance the acceptability of the medication by masking unpleasant tastes, facilitating administration. 

Controlled Release: They allow for controlled release of the active ingredient, ensuring effective and sustained administration. 

Improvement of Stability: They contribute to the physical and chemical stability of the medication, prolonging its shelf life. 

Facilitation of Swallowing: They make tablets and capsules easier to swallow, enhancing the patient’s experience. 

Aesthetic Appearance: Pharmaceutical coatings improve the aesthetic appearance of medications, which is especially crucial in pediatric formulations. 

Compatibility with Excipients: They are compatible with a variety of excipients, allowing for versatile formulation. 

Common Uses

Tablets and Capsules: Widely applied in the formulation of tablets and capsules for various purposes.

Nutritional Supplements: Used in coatings for supplements to improve acceptability and appearance. 

Pediatric Medications: Pharmaceutical coatings are essential in formulations for children, where taste and appearance are critical aspects. 

Veterinary Formulations: Applied in medications for animals to enhance administration and acceptance. 

pH-Sensitive Medications: Used in formulations where protection against acidic or alkaline conditions is required. 

Benefits of Pharmaceutical Coatings

Protection of the Active Ingredient: Safeguard the effectiveness of the active ingredient against environmental factors.

Improvement of Administration: Facilitate administration, especially in pediatric and animal patients. 

Increased Acceptability: Improve the acceptability of the medication by masking unpleasant tastes. 

Controlled Release: Allow precise control of the release of the active ingredient. 

Aesthetic Appearance: Contribute to a more attractive presentation of the medication, enhancing patient compliance. 

Types of Pharmaceutical Coatings

Carbomers

Carnauba Wax 

Cellulose Derivatives 

Dextrins – Tackidex® – (Roquette) 

HPMC (Hydroxypropyl Methylcellulose) 

Maltitol – Sweetpearl®/Lycasin® – (Roquette) 

Maltodextrins – Glucidex® – (Roquette) 

Microcrystalline Wax 

Titanium Dioxide 

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