Spider bites - Symptoms & causes - Mayo Clinic
Jul 30, 2021 · Typically, a spider bite looks like any other bug bite — a red, inflamed, sometimes itchy or painful bump on your skin — and may even go unnoticed. Harmless spider bites usually don't produce any other symptoms. Many skin sores look the same but have other causes, such as a bacterial infection.
Spider bites - Diagnosis & treatment - Mayo Clinic
Jul 30, 2021 · First-aid treatment for spider bites includes the following steps: Clean the wound with mild soap and water. Apply an antibiotic ointment three times a day to help prevent infection.
Spider bites: First aid - Mayo Clinic
Apr 30, 2024 · To take care of a spider bite: Clean the wound with mild soap and water. Then apply an antibiotic ointment three times a day to help prevent infection. Apply a cool cloth over the bite for 15 minutes each hour. Use a clean cloth dampened with water or filled with ice. This helps reduce pain and swelling. If possible, raise the affected area.
Alpha-gal syndrome - Symptoms and causes - Mayo Clinic
Nov 15, 2022 · The bite transfers a sugar molecule called alpha-gal into the body. In some people, this triggers a reaction from the body's defenses, also called the immune system. It causes mild to severe allergic reactions to red meat, such as beef, pork or lamb.
Insect bites and stings: First aid - Mayo Clinic
Apr 10, 2024 · Most insect bites and stings are mild and can be treated at home. They might cause itching, swelling and stinging that go away in a day or two. Some bites or stings can transmit disease-causing bacteria, viruses or parasites.
Scorpion sting - Symptoms and causes - Mayo Clinic
Oct 3, 2023 · Causes. A scorpion sting is caused by the stinger in a scorpion's tail. When a scorpion stings, its stinger can release venom. The venom contains a complex mix of toxins that affect the nervous system.
Lyme disease - Symptoms and causes - Mayo Clinic
Feb 10, 2023 · A rash is a common sign of Lyme disease. But it doesn't always happen. The rash is usually a single circle that slowly spreads from the site of the tick bite. It may become clear in the center and look like a target or bull's-eye. The rash often feels warm to the touch, But it's usually not painful or itchy. Other stage 1 symptoms include ...
Mosquito bites - Symptoms and causes - Mayo Clinic
Nov 15, 2024 · Mosquito bites are the itchy bumps that form on the skin after mosquitoes feed on your blood. The bumps usually go away without treatment in a few days. Some mosquito bites may get very swollen, sore and inflamed. This type of reaction, sometimes called skeeter syndrome, is most common in children.
Hives and angioedema - Symptoms and causes - Mayo Clinic
Oct 27, 2023 · Insect bites and infections. Other causes of acute hives and angioedema are insect bites and infections. Risk factors. Hives and angioedema are common. You may be at increased risk of hives and angioedema if you: Have had hives or angioedema before; Have had other allergic reactions; Have a family history of hives, angioedema or hereditary ...
Poison ivy and other summer skin irritants - Mayo Clinic
Jul 1, 2023 · Symptoms include a distinctive rash, flu-like symptoms and aching joints. The rash begins as a small, red bump (A) that appears after a tick bite. Over the next few days, the redness gets bigger. It may feel warm when you touch it. It might look like a bull's-eye (B). Along with the rash, you may have fever, tiredness and a headache.