Spider Bite Symptoms: What Are the Symptoms of Insect and Spider Bites?
Most insect bites produce only minor irritation, with symptoms such as:
Swelling at the site of the bite Itching or burning Local numbness or tingling
Bites of poisonous spiders and scorpions may produce these symptoms:
Intense pain at the site of the wound Stiffness or joint pain Muscle spasms Abdominal pain, nausea or vomiting Fever or chills Difficulty breathing or swallowing A spreading, ulcerated wound or tissue death Dizziness, impaired speech or convulsions
An insect or spider bite can rarely cause a potentially fatal allergic reaction known as anaphylactic shock. Symptoms can include:
Rapid swelling of the lips, tongue, throat, or around the eyes Difficulty breathing Wheezing or hoarseness Severe itching, cramping, or numbness Dizziness A reddish rash or hives Stomach cramps Loss of consciousness
Call 911 About an Insect or Spider Bite If:
You think you have been bitten by a poisonous spider or scorpion. You experience any of the symptoms of anaphylactic shock described above. This is a severe, possibly life-threatening condition.