As for snakebite, using pressure immobilisation method.
Always try and bring the spider with the patient, for identification at the hospital.
Reassure the patient that their life is not at major risk.
Apply an ice pack to the bite area.
Seek medical advice.
Bring the spider with the patient if possible.
Do NOT use a pressure immobilisation bandage.
As for red back spider bite.
NOTE: For Mouse Spiders, first aid as per Funnel Web Spiders.
Apply an ice pack to the bite area.
If pain is severe and prolonged, seek medical help.
If the patient has not had tetanus immunisation booster within the last 5 years, ensure this is given by the local doctor.
If the wound becomes more red and painful after 24 hours seek medical help (possible secondary infection).
Carefully remove the tick using alcohol to irritate it and pry it off the patient using tweezers on either side of the mouth parts. Do not hold it by the body and pull it off as this may leave mouth parts embedded in the skin.
If the patient has, or develops, any symptoms of paralysis, such as gait
disturbance or other muscle weakness, immediately seek medical help.
If the patient has not had tetanus immunisation booster within the last 5 years, ensure this is given by the local doctor.
If the wound becomes more red and painful after 24 hours seek medical help (possible secondary infection).