Which are two common types of parenteral routes?

The two common types of parenteral routes are intravenous (IV) and intramuscular (IM). Parenteral routes are methods of delivering medications or fluids directly into the body, bypassing the digestive system, which can be advantageous for rapid absorption and effect.

Intravenous administration involves delivering substances directly into the bloodstream via a vein. This method allows for immediate onset of action and is often used in emergency situations or when a precise dosage is crucial.

Intramuscular administration involves injecting the medication into a muscle, allowing for more gradual absorption compared to intravenous routes. This method is typically used for vaccines and certain medications that require a slower release into the bloodstream.

In contrast, oral and topical routes involve administering medications via the digestive system or applying them to the skin, which do not qualify as parenteral methods, as they do not bypass the gastrointestinal tract. Additionally, inhalation and intranasal routes serve different purposes for drug delivery but are not classified as parenteral methods either.