Effervescent tablet

Effervescent tablet is a type of pharmaceutical dosage form that is designed to dissolve in water before it is ingested. The tablet contains a mixture of active ingredients and excipients, usually including a combination of acid and base components, which react when in contact with water to produce a solution that is effervescent or fizzy.

Composition

Effervescent tablets are composed of active pharmaceutical ingredients and excipients. The excipients can include a variety of substances such as fillers, binders, lubricants, and disintegrants. The most important excipients in effervescent tablets are the acid and base components, which are responsible for the effervescence. Commonly used acids include citric acid, tartaric acid, and malic acid, while commonly used bases include sodium bicarbonate, potassium bicarbonate, and calcium carbonate.

Mechanism of Action

The effervescence produced by these tablets is due to a chemical reaction that occurs when the tablet is placed in water. The acid and base components react to form a gas, usually carbon dioxide, which is released as bubbles. This effervescence helps to dissolve the tablet and disperse the active ingredients in the water, making it easier for the body to absorb them.

Uses

Effervescent tablets are used for a variety of purposes in medicine. They can be used to deliver a wide range of active ingredients, including analgesics, antacids, vitamins, and minerals. They are particularly useful for patients who have difficulty swallowing solid dosage forms, as the effervescent solution can be swallowed easily. They are also used for their rapid onset of action, as the active ingredients are quickly absorbed into the bloodstream from the stomach.

Advantages and Disadvantages

Effervescent tablets have several advantages over other dosage forms. They are easy to administer, have a pleasant taste, and can be formulated to deliver high doses of active ingredients. They also have a rapid onset of action and are easily absorbed by the body. However, they also have some disadvantages. They are more expensive to produce than other dosage forms, and they require special packaging to protect them from moisture.

See Also

• Pharmaceutical dosage forms
• Active pharmaceutical ingredient
• Excipient
• Acid-base reaction

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