How is the SC route of entry?

Used for not too irritating drugs (that may cause necrosis or damage) Constant and slow to provide sustained effect. Administring vasoconstrictors may be used to delay the absorption and increase the sustained effect (like lidocaine local anesthetics incorporate epinephrine in its dosage) Some drugs may be as devices implanted under the skin after an incision. Heparin and Insulin are introduced SC