Classification of Tablets

• The classification of tablets includes oral, buccal, sublingual, vaginal, and implantable tablets, each designed for specific delivery sites.
• The classification of tablets also includes immediate release, sustained release, delayed release, and controlled release forms.

Based on Route of Administration:

1. Oral Tablets:

   • Conventional Tablets: Disintegrate and dissolve in the gastrointestinal tract (e.g., Paracetamol).
   • Chewable Tablets: Meant to be chewed before swallowing (e.g., Antacids).
   • Effervescent Tablets: Dissolve in water before administration (e.g., Vitamin C).
   • Sublingual Tablets: Dissolve under the tongue for rapid absorption (e.g., Nitroglycerin).
   • Buccal Tablets: Dissolve in the buccal pouch for slow absorption (e.g., Fentanyl).

2. Vaginal Tablets:

   • Inserted into the vagina for localized treatment (e.g., Clotrimazole).

3. Implantable Tablets:

   • Placed under the skin for long-term drug release (e.g., Hormonal implants).

Classification of Tablets Based on Drug Release Pattern:

• Immediate-Release Tablets: Quickly disintegrate and release the drug.
• Sustained-Release Tablets: Gradual release over time.
• Controlled-Release Tablets: Precisely control the drug release rate.
• Delayed-Release Tablets: Release drugs at a specific site in the GIT (e.g., Enteric-coated tablets).

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