Excipients

To increase the bulk volume of the tablet

Diluents (fillers) are added to increase the bulk volume of the tablet, especially when the active ingredient is present in small amounts.

Disintegrant

Disintegrants facilitate the breakup of the tablet into granules or fine particles, increasing the surface area for dissolution.

To prevent adhesion of the tablet to punches and dies

Lubricants reduce friction between the tablet and the die wall, preventing sticking and picking.

Glidant

Glidants such as colloidal silicon dioxide improve powder flow by reducing interparticle friction.

Preservative

Preservatives such as methylparaben and propylparaben inhibit microbial growth in liquid dosage forms.

Purified water

Purified water is the most common solvent used in liquid dosage forms.

Buffer

Buffers such as citrate or phosphate salts help maintain the pH of a formulation.

Saccharin sodium

Saccharin sodium is an artificial sweetener used to improve the taste of oral liquid medications.

False

Lubricants primarily prevent sticking to punches and dies; glidants are used to improve powder flow.

Antioxidants

Antioxidants are used in formulations to prevent oxidation, which can lead to degradation of the active pharmaceutical ingredient.

To increase the bulk of the tablet

A diluent is added to increase the bulk of the tablet, making it easier to handle and manufacture.

Sorbitol

Sorbitol is a common sweetening agent used in oral liquids to improve palatability.

Suspending agents

Suspending agents are added to suspensions to maintain the uniform distribution of solid particles.

To mask taste

Coating agents are often used to mask the taste of tablets, making them more palatable.

Lubricants

Lubricants are added to improve the flow properties of powders, ensuring uniformity in tablet production.

Thickeners

Thickeners are used to modify the viscosity of liquid formulations, enhancing their stability and usability.

To prevent microbial growth

Preservatives are added to formulations to prevent the growth of microorganisms, ensuring product safety.

Starch

Starch is a widely used binder in tablet formulations, helping to hold the ingredients together.

Menthol

Menthol is commonly used as a flavoring agent to enhance the taste of pharmaceutical products.

Polyvinylpyrrolidone (PVP)

PVP is a widely used binder that helps in granule formation by adhering powder particles together.

Croscarmellose sodium

Croscarmellose sodium is a superdisintegrant that swells rapidly and promotes fast tablet disintegration.

To mask the taste of the drug

Coating agents can mask unpleasant taste, protect the drug from moisture, and modify drug release.

Disodium EDTA

Disodium EDTA is a chelating agent that binds metal ions, preventing them from catalyzing degradation reactions.

Suspending agent

Suspending agents such as acacia or xanthan gum increase viscosity and keep particles dispersed.

Ascorbic acid

Ascorbic acid is an antioxidant that prevents oxidation of active ingredients.

False

Excipients can influence drug absorption and bioavailability; for example, some excipients can bind to drugs or alter dissolution rates.

Antioxidants

Antioxidants are used to prevent oxidative degradation of drugs, thereby enhancing their stability.

Microcrystalline cellulose

Microcrystalline cellulose is known for its excellent flow properties, making it a preferred diluent in tablet formulations.

Surfactants

Surfactants reduce surface tension and improve the wetting of poorly soluble drugs, enhancing their solubility.

They promote tablet breakdown in the gastrointestinal tract

Disintegrants facilitate the breakup of tablets into smaller particles, aiding in drug release in the gastrointestinal tract.

Flavoring agents

Flavoring agents are specifically added to improve the palatability of oral liquid formulations.

To improve powder flow and prevent sticking

Lubricants reduce friction between the tablet and the die during compression, improving flow and preventing sticking.

Xanthan gum

Xanthan gum is widely used as a thickening agent due to its ability to increase viscosity in liquid formulations.

Emulsifying agents

Emulsifying agents stabilize emulsions by reducing surface tension between the oil and water phases.

Controlled-release excipients

Controlled-release excipients are designed to modulate the release of the active ingredient over time.

Chelating agents

Chelating agents bind to metal ions that can catalyze degradation reactions, thus enhancing formulation stability.

Surfactants

Surfactants lower the surface tension, which can enhance the solubility of poorly soluble drugs in formulations.

Binders are used to hold the ingredients together, while lubricants reduce friction during tablet compression.

Binders are used to ensure the cohesion of tablet ingredients, while lubricants function to ease the manufacturing process by reducing friction.

Coating agents

Coating agents can form barriers that control the release of the active ingredient, making them effective for sustained-release formulations.

Emulsifiers

Emulsifiers help to stabilize emulsions by reducing the surface tension between the oil and water phases.

Flavoring agents

Flavoring agents are specifically included in formulations to improve the palatability of oral liquids.

They promote the breakdown of tablets into smaller particles.

Disintegrants facilitate the breakup of tablets in the gastrointestinal tract, aiding in the release of the active ingredient.

Thickeners

Thickeners are specifically designed to increase the viscosity of formulations, which can affect stability and release characteristics.

Sodium benzoate

Sodium benzoate is a widely used preservative that helps prevent microbial growth in liquid formulations.

Lubricants

Lubricants are added to enhance the flow properties of powders, facilitating the manufacturing process.

To provide bulk to the formulation

Diluents are used to provide bulk and improve the handling characteristics of powder formulations.

Binders

Binders are used to hold the ingredients of a tablet together, enhancing the mechanical strength and integrity of the tablet.

Disintegrants facilitate tablet disintegration upon ingestion.

Disintegrants are specifically designed to promote the breakup of tablets in the gastrointestinal tract, aiding in drug release.

Glidants

Glidants are added to enhance the flowability of powders, which is crucial for uniform tablet formation.

Sweeteners

Sweeteners are used to enhance the palatability of oral liquid formulations by masking unpleasant tastes.

Emulsifiers

Emulsifiers are crucial in stabilizing emulsions by reducing the interfacial tension between the oil and water phases.

Lubricants reduce friction during tablet compression.

Lubricants are specifically added to reduce friction and prevent sticking during the tablet compression process.

Antioxidants

Antioxidants are added to formulations to prevent oxidative degradation, thus enhancing stability.

Polymers

Polymers are often used in sustained-release formulations to control the rate at which the active ingredient is released.

Preservatives

Preservatives are crucial in liquid formulations to inhibit microbial growth and ensure product safety.

Surfactants

Surfactants reduce the surface tension of poorly soluble drugs, enhancing their solubility.

Glidants prevent adhesion of powders to equipment.

Glidants improve powder flow by reducing friction, while lubricants primarily reduce friction during tablet compression.

To enhance the mechanical strength of the tablet

Binders help hold the tablet ingredients together, enhancing mechanical strength.

Polymers

Polymers are used in sustained-release formulations to create a controlled release profile for the active ingredient.

Emulsifiers

Emulsifiers are specifically designed to stabilize emulsions by reducing the interfacial tension between immiscible liquids.

Preservatives prevent microbial growth, while antioxidants prevent oxidation.

Preservatives are used to inhibit microbial growth, whereas antioxidants prevent oxidative degradation.

Glidants

Glidants are specifically added to enhance the flowability of powder blends during tablet manufacturing.

Flavoring agents

Flavoring agents are added to improve the palatability of oral liquid formulations by masking unpleasant tastes.

Thickeners

Thickeners are used to increase the viscosity of liquid formulations, providing the desired consistency.