There are several types of allergic reactions that can cause skin blotches. Most of these reactions are not serious or life threatening but can cause pain, discomfort and embarrassment. Medical treatment can help alleviate these reactions and prevent them in the future. Understanding the several forms of allergic reactions will help you determine if your skin blotches are being caused by an allergic reaction.
Some rashes are bumpy, scaly flat, red or skin-colored. Certain rashes in babies and children may cause red blotches on the skin. While diaper rash is clearly the most common rash in infants, other rashes can have similar effec...
Doctors can sometimes diagnose a red skin blotch by its appearance. At other times, blood tests, skin biopsies and a history of recent exposure to toxins may be required. Most simple rashes heal or disappear without medical int...
The red blotches on the hand are likely caused by contact dermatitis, a form of skin inflammation resulting from direct contact with irritants or allergens. Your skin can begin to recognize certain substances as either an irrit...
Dark blotches on the skin are also called hyperpigmentation or liver spots. Patches of skin become darker in color because of skin pigment changes. These spots usually occur on the face, hands or other areas frequently exposed ...
The appearance of red, blotchy skin can be caused by a variety of factors. Some of these skin conditions are genetic while others are allergic skin reactions. It is important that you properly identify the type of condition bef...
If you get red splotches on your skin after going out in the sun, you could be experiencing a sun rash, according to MayoClinic.com. A rash after spending time in the sun could be caused by a variety of conditions, ranging from...
The skin is one of the most resistant organs in the body, but it still succumbs to irritants and infections that can cause red skin blotches. When they appear on the arm, the discoloration may be due to an allergic reaction, a ...
Because your skin covers your body and is in connection with the rest of your tissues through lymph channels and nerve cells, it is a common site of response to illness. The body responds to infection or illness by changing the...
An overproduction of melanin causes dark discoloration and can occur as a result of a number of conditions ranging from birthmarks to allergies or sun exposure. According to Medline Plus, infections, blisters and burns can caus...
Red skin blotches can be caused by allergic reactions to your new make-up or a common condition called rosacea, to name a few. Trying to diagnose the cause for red blotches on your face can be as difficult as hiding them. A der...
You may be suffering from internal causes, irritations from external materials or a fungus contracted from a public bathroom. These come in many shapes and sizes, but if you develop red, circular blotches on your skin, it can b...
This darkening can occur on any part of your body, including your face, and in any size. Many causes are behind these blotches, leading people to try several treatment methods before a response is noted. Understanding the cause...
The pigment melanin determines the color of your skin, hair and eyes. White blotches on the chest develop when the cells that produce melanin either die or cannot produce melanin properly. This skin condition is called vitiligo...
The appearance of the outbreak can give clues as to its cause. Skin that appears scaly may be the result of one affliction, whereas puffy or blistered skin may be caused by something altogether different. If basic lifestyle cha...
A number of conditions can cause large red blotches on the skin. According to MedlinePlus, you should have any new or unusual skin changes checked out by your doctor or a dermatologist to make sure you don't have something that...
Small red skin botches can be itchy and uncomfortable. They may have a number of causes, such as hives, measles, scabies and insect bites. If you have red skin blotches you should have them diagnosed and treated by a doctor.
Red, patchy rashes are a common complaint and can be caused by a variety of issues. The skin can react to both outside and systemic irritants that cause this symptom. If you have noticed patchy red skin on your ankles, make sur...
The skin covering your neck possesses a higher sensitivity than skin on some other areas of your body. Known as your body's largest organ, your skin must be nourished and protected from damage. When skin discoloration, known as...
There are a number of skin disorders that can cause round, red blotches on the skin, such as rosacea, erythema multiforme, shingles, chickenpox or hives. Most rashes are not dangerous, but if you are suffering from a skin rash,...
Age spots, liver spots and sun spots are terms that are all used to describe one thing: dark patches on the skin caused by overexposure to the sun. Although they mostly occur in adults over age 40, age spots can also occur in y...
Skin discoloration can be a symptom of something as mild as an allergic reaction or a brush with poison ivy to more serious conditions, such as skin cancer. If you find red blotches on your skin, your first step should be to se...