Prepare the Anaesthetic

Consider warming or buffering with sodium bicarbonate to reduce pain

Prepare the Area

Decontaminate with chlorhexidine or povidone-iodine

Insert the Needle

Quickly, at a sharp angle into the subcutaneous tissue

Draw Back on the Plunger

Look for blood - if so then withdraw

Inject the Anaesthetic

Small volumes, look for bulging of the skin

Repeat to Cover the Entire Area

Inject through previously infiltrated areas where possible

Test the Anaesthesia

After allowing time for it to work, with a sharp implement

Clean Up

Dispose of sharps and other waste

Inadequate Anaesthesia

Due to inadequate volume or incorrect site infiltrated

Systemic Complications

Bradycardia, AV block, vasodilation, agitation, seizures

Due to excessive dose or intravascular injection

Allergic Reaction

Contact dermatitis, urticaria or anaphylaxis