4 Dangerous Skin Rashes and How to Identify Them

A simple skin rash can lead to something critical like shingles or allergy. Here are some of them, and the ways to identify them.

Getting a rash is quite common, whether it’s scabies, infections, allergic reactions or just dry and damaged skin.

Skin rashes also include skin bumps that mimic pimples or sores; or sometimes like scaly or red skin. Some skin rashes appear on the face while others occur on the legs, torso or the arms. 

Most skin rashes are common and can be treated with a simple OTC medication. However, in some cases, skin rashes are an indication of a serious problem.

Yeah, a simple skin rash on the skin can lead to a critical skin condition, or at least it can be a symptom of those.

Potentially Dangerous Diseases that Have a Skin Rash as a Key Sign are…


Shingles are likely to occur in a person who have had chickenpox or has been vaccinated for it. Pain can be mild or severe, lasting up to a week and taking more to heal. It is more common in an individual with a weak immune system. Generally, you feel tired before the rash occurs or might experience a mild fever.


Hives occur as a rapidly spreading, red raised and itchy rash in blemishes or all over the body. They are caused by allergic reaction to food and medication. Hives can be a symptom of life-threating health condition when being coupled with troubled breathing and low blood pressure.

Allergic Reaction to Medications:

Rashes can be caused by an allergy or a medication, also known as DRESS (drug reaction with eosinophilia and systemic symptoms). This condition may take weeks to occur after you start taking a new medication. Common signs that come with the rashes are fever and inflammation in heart, liver, lungs and thyroid.

Pemphigus Vulgaris:

Pemphigus vulgaris is an autoimmune disease being characterized by the blisters and sores on the mucus membranes (mouth), scalp, and other skin areas. Since it is an autoimmune health condition, immune system attacks the healthy tissues of the body by mistakes, causing blisters and sores.These skin conditions produce a rash that may involve large portions of the skin surface.

How to Tell If a Rash Can Be a Sign of Critical Health Disease

A simple skin rash is easily treatable with antihistamines or OTC cream. But, as we have told you before, that some rashes can be an indication of a serious skin disease.

But the problem is here that nearly all skin rashes look similar, making it difficult for you to identify the serious skin rashes.

Luckily, you can look for the symptoms that are accompanied with those rashes.

• If the rash is accompanied with fever or pain, it can be a sign of infection and requires medical attention.
• A rash that starts turning into blister due to unexplained reason can be shingles.
• If the rash doesn’t go away even with OTC medications.
• If there is a bruising or swelling around it, the rash may not get proper blood flow.
• Colored discharge, bad odor or secretion from the rash.
• If the rash appears and spreads quickly, it can be an allergic reaction to food or medication. See your doctor immediately if you have trouble in breathing.
• Rashes in circular shape are a sign of Lyme disease.
• Skin discolorations or changes in your skin texture. A yellow skin can be a symptom of liver disease while hardening or darkening of the skin can be signs of diabetes.

Take your skin rashes seriously if they don’t go away even with medications. Before they can turn out into something worse, get them treated on the time.

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