Liquid dosage forms: Definition, Advantages, Disadvantages PDF Notes

Liquid dosage forms Definition includes biphasic liquid dosage form definition

Monophasic liquid dosage form: Monophasic means only one phase is there. That is the liquid phase.

• Internal Use- Syrup, mixture, linctuses, elixirs, parenteral preparations.
• External use- Gargle, mouthwash, lotions, nasal drops, eardrops.

Biphasic liquid dosage form: Biphasic means two phases are there. That is a solid phase and a liquid phase.

• Internal Use- Suspension
• External use- Emulsion

Advantages:

• Very useful for those patients who have trouble swallowing.
• The liquid dosage form’s absorption rate is faster than the solid dosage form.
• Liquid dosage forms are more flexible in taking proper those than solid doses.

Disadvantages:

• It needs a lot of special storage conditions.
• Affected by microorganisms: Due to the presence of sweetening and flavouring agents.
• Less stable than other doses.
• The problem of container breakage.

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