Spider bites - Symptoms & causes - Mayo Clinic
2021年7月30日 · 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
2021年7月30日 · Your doctor will likely diagnose a spider bite based on your history and your signs and symptoms. The process might involve determining whether anyone saw a spider bite you, having an expert identify the spider, and ruling …
Spider bites: First aid - Mayo Clinic
2024年4月30日 · 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 …
Insect bites and stings: First aid - Mayo Clinic
2024年4月10日 · 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.
MRSA infection - Symptoms & causes - Mayo Clinic
2022年11月8日 · Staph skin infections, including MRSA, generally start as swollen, painful red bumps that might look like pimples or spider bites. The affected area might be: Warm to the touch; Full of pus or other drainage; Accompanied by a fever
Scorpion sting - Symptoms and causes - Mayo Clinic
2023年10月3日 · Scorpion stings are painful but rarely life-threatening. Healthy adults usually don't need treatment for scorpion stings. Young children and older adults are most at risk of serious complications. Scorpions are arthropods — a relative of insects, spiders and crustaceans.
Mosquito bites - Symptoms and causes - Mayo Clinic
2022年10月26日 · 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.
Alpha-gal syndrome - Symptoms and causes - Mayo Clinic
2022年11月15日 · 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.
Scabies - Symptoms and causes - Mayo Clinic
2022年7月28日 · Palms of the hands; Soles of the feet; If you've had scabies before, symptoms may start within a few days of exposure. If you've never had scabies, it can take as long as six weeks for symptoms to start. You can still spread scabies even if you don't have any symptoms yet. When to see a doctor
Snakebites: First aid - Mayo Clinic
2024年8月8日 · Symptoms. Most snakebites happen on the arms, wrists or hands. Typical symptoms of a nonvenomous snakebite are pain, injury and scratches at the site of the bite. After a venomous snakebite, there usually is serious pain and tenderness at the site.