Dosage Form

The physical form in which a drug product is manufactured and presented for administration to the patient. Encompasses the drug substance, excipients, and the physical design that delivers the active ingredient at the desired rate and site. The choice of dosage form affects drug stability, bioavailability, patient compliance, and manufacturing feasibility.

Exemples

• Tablets and capsules (most common oral solid forms)
• Transdermal patches (fentanyl, nicotine, estradiol)
• Metered-dose inhalers for asthma (albuterol, fluticasone)