"Erythema migrans, a rash with a great ability to spread through the skin, is a hallmark of Lyme disease, a serious bacterial ...

"And it depends on what stage you're catching the patient in after the bite," she adds. Depending on the type of tick and the ...

Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite ...

That includes everything from psoriasis and eczema to a simple bug bite. If your rash is mild or the result of a condition you've experienced before, you can probably manage it at home just fine.

When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash. You might see two fang marks inside the bite area ...

The redback spider (Latrodectus hasselti) is a notorious arachnid native to Australia, known for its distinctive red markings and potent venom. While encounters with these spiders are relatively ...

The current antivenom is already effective against a wide variety of funnel-web spider bites, including the newly discovered "Big Boy." Only male Sydney funnel-web spiders have venom that can kill ...

Of the staggering 43,000 venomous spider species worldwide, the Sydney funnel-web stands out for its lethal bite. What makes this Australian species the deadliest in the world is its swift ...

Miliaria rubra is a type of heat rash or prickly heat that happens when sweat becomes trapped under the skin. Children tend to get it more than adults because their sweat glands are still developing.

A new species of Funnel Web Spider named Atrax christenseni and nicknamed ‘Big Boy’ is pictured at the Australian Museum in Sydney (Picture: Reuters) A new type of spider, nicknamed the ‘big ...

"This particular spider is a lot larger ... but luckily the same anti-venom is effective on bites from the new species. Mr Christensen first discovered 'big boy' in the early 2000s, near Newcastle ...