Medically reviewed by Susan Bard, MD An itchy rash with blisters can be caused by an allergic reaction; an autoimmune ...

If you experience persistent muscle weakness, fatigue and skin changes that don't seem to fade, it could be more than just ...

The cause of rashes can vary, spanning allergic reactions, infections, autoimmune diseases and environmental irritants.

But rashes happen for a range of reasons, from products that irritated you to underlying health conditions. Figuring out what’s behind your rash can go a long way toward helping to clear things up.

Rashes can be maddeningly itchy, no matter what the cause. Doctors are likely to prescribe creams, lotions, or antihistamines for relief. They may also suggest cold compresses or other home remedies.

But rashes happen for a range of reasons, from products that irritated you to underlying health conditions. Figuring out what’s behind your rash can go a long way toward helping to clear things up.

It may also present differently depending on your skin tone. For instance, people with lighter skin tones often see rashes that are pink, red, or purple. People with darker skin might develop ...

Soaking in an oatmeal bath and applying anti-itch creams can provide relief from an itchy rash. If your poison ivy rash is coupled with difficulty breathing or a fever, you should see a doctor ...