Biodisponibilidade e vias de administração influenciam a absorção de medicamentos.
Medicamentos administrados oralmente são metabolizados no fígado, reduzindo sua quantidade na circulação sistêmica.
Administrar medicamentos diretamente na corrente sanguínea evita o metabolismo de primeira passagem, aumentando sua biodisponibilidade.
🔑 Different routes of administration affect the absorption and availability of a medication.
💊 Oral administration is convenient, safe, and cost-effective.
💉 Intravenous administration provides 100% availability but requires professional assistance.
📚 The passage of medication through the liver can affect its bioavailability and is known as first-pass effect.
⏰ Oral administration may not be suitable for emergency situations as it takes time for the medication to dissolve and pass through the liver.
💊 Certain medications may have adverse effects on the gastrointestinal tract when administered orally, but some tablets have a coating to protect the stomach.
🔑 Different routes of drug administration have their advantages and disadvantages.
🔑 The enteral routes include sublingual and rectal administration, with the latter allowing for direct absorption into the bloodstream.
🔑 The parenteral routes, such as intravenous administration, provide immediate drug action but carry risks of errors and complications.
🔍 Intramuscular administration allows for slow absorption into the bloodstream and is safe and effective.
💉 Subcutaneous administration provides constant and gradual release of medication, but may cause irritation.
🧠 Intra-arterial administration is challenging to pass the blood-brain barrier but provides rapid action in the brain and spinal cord.
💉 The video discusses different routes of drug administration, including intrathecal and arterial routes.
🫁 The pulmonary route allows for the administration of gas and volatile medications, either systemically or locally.
👩⚕️ Transdermal administration involves absorption through the skin, with advantages such as direct entry into the bloodstream and slow release of medication.
🖐️ Topical application can be confusing, but it refers to the application of medication on the skin.
🔍 There are various types of topical administration, including dermatological, ophthalmic, nasal, dental, and vaginal.
⏰ Topical administration offers faster onset of action and avoids the first-pass effect.
📚 Understanding the different routes of administration in pharmacology will provide a deeper understanding of the topic.
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