What is a rash?
A rash is a noticeable change in the color or texture of the skin. Different changes like scaliness, bumpiness, itchiness, redness can be easily noticed and are sometimes a matter of great concern.
Often when the sudden red, itchy patch is developed on the skin, individuals usually spend a lot of time wondering what the reason behind it is. In situations, when rash appears to get bigger or even worse then it leads you to wonder about the serious cause behind it. It also leads you to wonder whether you require medical treatment. Rash identification is hence a very important topic of discussion.
The rash is a result of the defenses of the body against a number of things like parasites, fungi or viruses. This leads to damage caused in the body or the skin. In some situations, rashes might even appear when the skin gets increasingly hot. Skin is prone to develop varied kinds of rashes with you ageing. This further helps you to narrow down the irritants, which is a cause of the discomfort.
There are several type of rashes that can affect humans of all age groups, genders and races. Let’s take a look at different type of rashes that will help you in rash identification going forward:
1. Atopic dermatitis
Picture: Atopic dermatitis child
The skin condition is extremely common which is referred to as eczema. This further causes the skin to become extremely itchy and inflamed. This chronic condition leads the way to affect the limbs, trunk along with the neck or face. The areas further flare up while subsiding when varied stimulants trigger your condition. Avoidance of triggers which include harsh detergents along with soaps or application of lotions or creams is designed for providing relief to individuals with eczema help in getting your relief. Your doctor helps in prescribing medicated creams which help in treating flare-ups.
2. Contact dermatitis
This produces an extremely dry and scaly rash, which burns or is even itchy. The rash being very itchy comprises of red blisters or bumps. The first type of rash caused can be transferred to others who meet it. Hence, it is extremely important to avoid the expose of others to the rash or the irritant, which causes it to appear. The second type is caused by an item like a nickel, cosmetics or latex, which paves the way to an allergic reaction caused on the skin. It is extremely essential to avoid the allergen, which caused the reaction in order to allow for the symptoms to heal.
Symptoms of contact dermatitis include:
It can be diagnosed by an allergy specialist using allergy testing and the itching can be controlled by using anti-itch creams like hydrocortisone cream and drugs like diphenhydramine.
3. Drug rash
This type of rash is a result of an allergic reaction or can also be a side effect of a medication that is been taken. Antibiotics, medications of anti-seizure along with diuretics are particularly known to cause the reaction. In certain situations, it is more likely for you to develop a drug rash when the skin is exposed to sunlight. The rashes usually appear in the first week of you taking the medication. This leads to red spots, which can be spread across the body easily. This essentially disappears after individuals stop using the medication of stops after a few days. In situations, when you develop trouble breathing or have trouble with the organs when the rash appears, it is advisable to contact the emergency medical services at the earliest.
4. Heat rash
This causes when the sweat becomes obstructed which leads to small and red bumps which are known as prickly heat. This is more likely to cause when the weather is extremely humid when you wear excessive clothing or even when the clothing is very tight. The rash produces bumps, which are filled with fluid, but there might be cases when they do not have any other symptoms. This type of rash is not at all serious and can be easily treated when you change into proper clothing or even while you work to cool and dry the skin.
This skin infection varied from person to person while appearing in areas of the body, which is warm and moist. The areas include under the breast, under the groyne or even on the abdomen. The areas develop a painful sensation, which causes the skin to crack or bleed while developing oozing sores. The symptoms make individuals more susceptible to bacterial and fungal infection.
6. Lichen Planus
The cause is unknown but is commonly associated with hepatitis C. Individuals having developed lichen planus leads to the development of reddish-purple bumps caused on the skin. These are extremely flat on the top and develop mostly on the neck, back, wrists, ankles, lower legs and various other spots on the body. Some people also develop this rash inside the mouth, genital area, scalp or nails. It mostly affects adults aged 30-75 and is common in middle aged people.
Several medications that are related to heart ailments, increased blood pressure and arthritis can cause lichen planus type rashes as a response to an allergic reaction within the body.
This rash can be diagnosed with the help of a biopsy and can be treated with antihistamines, steroid injections and medications that are used to suppress the immune system.
This causes the skin to build up the rough and scaly skin as the life cycle has been increased. It leads to the occurrence of thick silvery scales, which are extremely dry while being itchy and inflamed. The severity of the condition varied from person to person. The patches are also extremely painful. Light therapy along with topical ointments help in reducing the lesions in order to help manage the symptoms.
This fungal infection develops slightly raised rings, which are red, scaly and itchy. The ring continues to grow outward as the centre becomes less infected while spreading to other areas of the skin. The rash is very contagious and a prescription is required for an antifungal cream. It is contagious when it meets an object, which is contaminated by the fungus.
9. Pityriasis Rosea
This is a common skin rash that is mild in nature. It begins as big scaly pink patch of skin on the back of the chest and is often followed by the development of more patches on other parts of the body. The skin becomes itchy, red and inflamed. It is caused by a virus, the name of which is still unknown and the rash is not contagious in nature.
The rash is popularly known as Christmas tree rash and the patches form a pattern which is similar to that of a Christmas tree. Pityriasis rosea should be disappearing within a period of 6-8 weeks. On the other hand, it can also last for several months.
It can be diagnosed by physical examination and simple blood tests or skin biopsy. The rash usually disappears on it own and does not require treatment. However, oral antihistamines can provide relief from itching and irritation. Sunlight also comes very handy in treating the sores caused by the rashes. Creams are further available for relieving the itching that is caused by the rashes, which helps in the rashes to fade more quickly.
This is a result of the virus caused by chickenpox. Individuals suffering from chickenpox have an inactive form of the virus waiting at the nerve cells. At the phase of adulthood, the virus can be activated which causes the rash to disappear. Over the time, small blisters, which look extremely similar to that caused by chickenpox, appear on the side of the body. These leave blisters, which break, and ulcer thereby creates a dry crust. The rash might fade away in a few weeks but when the breakout is severe, and then it is advised to visit the doctor.
11. Swimmer’s itch
The condition, which is known as cercarial dermatitis, leads to an itchy or burning rash. This allergic reaction is caused due to contaminated water. This burrows in the top layers of the skin while leading to the appearance of blisters or small bumps. With each outbreak, varied symptoms might be caused due to exposing yourself to infected water.
12. Granuloma Annulare
It is a chronic skin condition that is accompanied by circular skin rashes along with red papules or bumps. It mostly affects children and people of young age and is more common in females. The cause of this rash is unknown and it is mostly found on the back of the hands, arms and feet. The characteristic feature of this rash is the formation of a small ring which can be mildly itchy. In severe cases, more than one ring can also be seen.
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