Generally the redness and swelling after being bitten by spiders need to be treated by general measures, medication and other treatments. 1. General measures: usually need to use soapy water or saline on the local repeated rinsing, mainly to reduce the implantation of venom residues, and then need to use ice packs in the spider bite area, to a certain extent, can ease the discomfort. 2. Medication: At the same time, patients also need to follow the doctor’s instructions for local external glycerine lotion, or glucocorticoid drugs, such as hydrocortisone butyrate ointment, mometasone furoate ointment, etc., and some patients may need to follow the doctor’s instructions for oral loratadine, cetirizine and other antihistamine drugs. 3. Other treatments: If the spider is poisonous, severe cases may need to cooperate with doctors to carry out hyperbaric oxygen chamber, hemodialysis, hemoperfusion and other measures for treatment. All in all, when found after being bitten by spiders need to be treated in a timely manner, in accordance with the doctor’s instructions standardized medication, so as not to delay the treatment. Then you need to strengthen your daily life management and go to the hospital for follow-up consultation on time.