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Subcutaneous Injection Pharmacology

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Questions and Answers

What is the primary difference between the sublingual and buccal routes of drug administration?

Buccal allows the drug to dissolve under the tongue, while sublingual places it between the cheek and gum

Buccal involves swallowing the drug, while sublingual requires keeping the drug on the tongue

Sublingual allows the drug to dissolve under the tongue, while buccal places it between the cheek and gum (correct)

Sublingual involves swallowing the drug, while buccal requires keeping the drug on the tongue

Which of the following is an advantage of both the buccal and sublingual routes?

Rapid degradation of drug in the GIT

No need for hydration when administering

Reduced absorption compared to oral routes

No first-pass hepatic metabolism (correct)

Which of the following is not true about drugs administered via the buccal or sublingual routes?

They are subject to first-pass hepatic metabolism (correct)

They provide rapid onset of action

They are placed under the tongue or between the cheek and gum

They avoid degradation encountered in the GIT

Where is the drug placed when using the sublingual route?

<p>Under the tongue</p> Signup and view all the answers

Which statement correctly describes the buccal route of drug administration?

<p>The medicament is placed between the cheek and the gum</p> Signup and view all the answers

Study Notes

Subcutaneous (SC)

Slower absorption of drugs compared to Intramuscular (IM) sites
Suitable for administering drugs that don't require rapid response and those that degrade when taken orally, such as insulin and sodium heparin
Aqueous solutions are rapidly absorbed from SC sites
Depot preparations from SC sites are absorbed slowly
Irritant drugs are not suitable for SC injection

Enteral Routes

Buccal or Sublingual (SL) Routes
- Sublingual route involves placing the drug under the tongue to dissolve
- Buccal route involves placing the medication between the cheek and gum
- No first-pass hepatic metabolism occurs in these routes
- No degradation of drugs occurs in these routes, unlike in the Gastrointestinal Tract (GIT)

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Description

Learn about the absorption and administration of drugs through subcutaneous injection, including its advantages and disadvantages. Discover the types of drugs suitable for SC injection and their characteristics.