Friday, September 17, 2021

What are the types of drug delivery systems?

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Answer 1

  1. Oral drug delivery – Oral drug delivery, also referred to as peroral delivery, refers to taking a dosage form by mouth for local action or systemic absorption at any point along the gastrointestinal tract. .
  2. Parenteral drug delivery – This involves drug administration by injection, infusion, and implantation or by some other route other than the alimentary canal.
  3. Transdermal drug delivery – Transdermal drug deliveryusually abbreviated TDD is a painless method of delivering drugs systemically by applying a drug formulation onto intact and healthy skin.
  4. Transmucosal drug delivery – This refers to the systemic delivery of drugs through the mucous membrane. Transmucosal products can be designed to be administered through the nasal route using sprays, pumps, and gels, through the oral/buccal route using mucoadhesive, quick dissolve tablets, and solid lozenges formulations, and through vaginal or urethral routes using suppositories.
  5. Nasal drug delivery – This is the administration of drugs through the nasal route for Drugs are administered to the nasal cavity for localized delivery, systemic action, vaccine delivery, or possible direct nose-brain delivery.
  6. Gastroretentive drug delivery systems (GRDDS) – This is a is novel drug delivery systems that are designed to be retained in the stomach for a prolonged time and release their active pharmaceutical ingredients and thereby enable sustained and prolonged input of the drug to the upper part of the gastrointestinal (GI) tract.
  7. Pulmonary drug delivery – Pulmonary drug delivery is the inhalation of drug formulation through mouth and the further deposition of inhaled pharmacological agent in lower airways.

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