Which method is specifically used for targeting the bronchial passages?

Inhalation medication administration is specifically designed to target the bronchial passages. This method delivers medication directly into the respiratory system, allowing for rapid absorption and immediate therapeutic effects in the lungs. When inhaled, medications such as bronchodilators and corticosteroids can act directly on the airway tissues, which is particularly effective for conditions like asthma and chronic obstructive pulmonary disease (COPD). This direct delivery helps to reduce systemic side effects and enhances the concentration of medication at the site of action, providing quicker relief from respiratory symptoms.

In contrast, intradermal injection involves delivering medication into the dermal layer of the skin, which is not intended for targeting the bronchial passages. Transdermal administration involves the absorption of medication through the skin for systemic effects rather than focusing on respiratory delivery. Oral medication administration involves taking medication by mouth, where the drug must first pass through the digestive system before entering the bloodstream, leading to a delay in action and less targeted effects on the bronchial passages. Thus, inhalation is the preferred and most effective route for directly targeting the bronchial passages.