It could occur due to an infection, heat, allergens or immune system disorders. This article contains the possible causes of red patches on your skin and different treatment options you could use to get rid of the skin condition. Seek immediate medical attention once you notice the redness, irritation, itching, swelling or inflammation on skin last for more than a day or two of using home remedies and over — the- counter medication.
As said, they is an array of possible causes that could lead to red and blotchy skin. Some of the causes might be serious causing harsh and severe symptoms, on the other hand, some causes might be mild and will clear on their own within a day or two.
Here are some of the possible cause of red patches on skin. Atopic dermatitis also called eczema is a chronic skin condition known to cause dry, itchy skin. As an atopic disease, eczema is in the same classification as hay fever and asthma. Skin cancer is the most common form of cancer. Skin cancer is the uncontrolled growth of abnormal skin cell. Skin cancer is caused by unprepared DNA damage to skin cell most often caused by ultraviolet radiation from the sun. The damage will trigger mutation, a genetic defect that leads to skin cell multiplying rapidly to form a malignant tumor.
Psoriasis is a long-lasting autoimmune disease character i zed by patches of abnormal skin. Skin patches formed by psoriasis are typically red, itchy, and scaly. The patches may also vary in severity from small and localized to complete body coverage. Mayo clinic says psoriasis is a common skin condition that changes the life cycle of skin cells.
It causes the skin cell to build rapidly on the surface of the skin, the extra skin cells are what forms thick, silvery scales that are itchy, dry and red. They may also be severely painful at times. As the name suggest, this is a rash caused as a result of wearing diapers. The rash is related to wet or infrequently changed diaper, sensitive skin and chafing between inner thighs. Red patches caused by diaper rash are common.
Though the rash might be annoying to babies, it often clears up with simple home treatments such as air drying, more frequent diaper change and topical ointment to help keep the skin moisten and hydrated. Though most bites and string have little effect on your general health, bites from bees, wasps, and hornets can be painful and irritating. Some people are however allergic to bee sting, this could develop reactions that can be life-threatening.
Jock itch is one of the most common forms of fungal infection of the skin. Jock itch is also referred to as tinea curries, and commonly affect your genitals, inner thighs, and buttock.
Jock itch is known to cause an itchy, red and often ring-shaped rash. The warm, moist areas of the body provide an ideal condition for the growth of the fungus causing this rash. A cherry angioma or cherry hemangioma is a small, noncancerous skin growth that appears as a round red or purple spot made up of blood vessels.
The bumps can be raised or flat and are common in adults age 30 and older. You'll often find cherry angiomas on the torso, but they can also develop on the arms, legs, and scalp. Cherry angiomas are diagnosed with a visual exam and usually don't require treatment.
That said, the spots can be removed if their looks bother you or they repeatedly bleed. Your healthcare provider can recommend a relatively painless removal procedure using lasers or liquid nitrogen. It is not unusual for cherry angiomas to grow in size or occasionally bleed.
Keep in mind that this is normal and typically not a cause for alarm. A cherry angioma is a small, benign skin growth made up of a tiny cluster of blood vessels. They don't require treatment but can be removed for cosmetic reasons or if they are prone to bleeding. Contact dermatitis is a common condition that happens when your skin comes into contact with something that is irritating or that you are allergic to. It usually appears as an itchy red rash with bumps but can also involve swollen, dry, flaky skin on any part of the body.
This photo contains content that some people may find graphic or disturbing. There are two main types of contact dermatitis:. Sometimes you'll know exactly caused the reaction such as coming into contact with poison ivy. But at other times, it may not be clear. Your healthcare provider may recommend a patch test to determine is the cause is allergic. Contact dermatitis will often clear up on its own in a few weeks as long as you avoid the substance that caused it.
Treatment will vary based on the cause but may include over-the-counter hydrocortisone cream or prescription oral antihistamines to relieve the itch.
If you have symptoms of a severe allergic reaction—such as difficulty breathing or swelling of the mouth, lip, or throat—call or go to your nearest emergency room.
Contact dermatitis is caused when an irritant or allergen comes into contact with the skin, causing itchy, red bumps. Contact dermatitis often clears on its own but may benefit from an anti-itch cream or oral antihistamine. Ringworm tinea corporis is a common fungal skin infection that causes a red, blotchy, circular rash with raised edges. Sometimes ringworm can cause flaking and peeling, but it's typically not painful.
It's often seen on the arms and legs, though ringworm can appear on any part of the body. Ringworm is highly contagious and easily spread through skin-to-skin contact or contaminated objects or surfaces. Pets can also transmit the fungus. It's typically diagnosed by a healthcare provider based on its appearance and then treated with an over-the-counter or prescription antifungal cream.
If it's not treated properly, ringworm can spread and may require an oral antifungal drugs. Ringworm is a highly contagious fungal skin infection that causes a red, itchy, ring-shaped rash with raised edges.
It is typically treated with topical antifungal creams. A drug rash occurs when your body has an allergic reaction to a medication. It may also be due to drug hypersensitivity or a side effect of the drug such as photosensitive reactions. Drug rashes can appear as hives, rashes, or blisters.
Drug rashes can range from mild to severe Some cases may require emergency care. They tend to cause a diffuse outbreak and, depending on the reaction, may affect the entire body or only certain parts of the body. To diagnose a drug rash , your healthcare provider will review all drugs and supplements you're currently taking. If the condition doesn't clear up after you stop using the medication, your healthcare provider may prescribe other treatments such as steroids or antihistamines to help reduce swelling and pain.
Allergic reactions can be serious and sometimes life-threatening. If a rash develops in the hours, days, or weeks after a new medication, contact your healthcare provider immediately.
A drug rash is any skin reaction that occurs as a result of a drug you take. The appearance can vary, and the reaction can range from mild to life-threatening. If the rash is severe, corticosteroids or antihistamines may be prescribed. Pityriasis rosea is a common, benign rash that usually affects adolescents, teens, and young adults. It usually starts with one larger red spot on the chest, torso, or back, followed by smaller red spots that have a ring-like shape.
The spots can be scaly and itchy. Experts don't know what causes pityriasis rosea, but it is believed to be linked to a viral or bacterial infection. Pityriasis rosea often occurs after an infection and can sometimes involve a headache, sore throat, and fever. Pityriasis rosea is usually diagnosed by its appearance and will sometimes disappear on its own in six to eight weeks.
In some cases, your healthcare provider may recommend a steroid, antihistamine, or antiviral drug to help relieve itching and swelling. Pityriasis rosea typically starts with a single, large red spot on the chest, torso, or back followed by smaller ring-like spots.
It usually clears on its own, but a steroid, antihistamine, or antiviral drug may help relieve itching and swelling. Blood spots purpura are red or purple-colored spots that crop up on the skin or inside the mouth in small or large patches. It happens when small blood vessels burst, causing blood to pool under the skin. While they are generally not a cause for alarm, blood spots may suggest a more serious medical condition like a blood clotting disorder particularly if the spots are widespread.
Your healthcare provider will use a physical exam and blood tests including a platelet count to help diagnosed the cause. Steroids are sometimes prescribed for people with purpura. For severe cases, intravenous IV medications may be needed to resolve a low platelet count. Blood spots purpura are red or purplish spots that occur when blood vessels beneath the skin burst.
Blood spots may be harmless or a sign of a more serious blood clotting disorder in need of treatment. Atopic dermatitis eczema is a common, chronic skin condition. It often happens if you're working out and your clothes start to slide against your sweaty skin— runners , in particular, are probably all too familiar with this. If you notice itchy, red bumps after hitting the gym, check if it falls where the seams of your athletic wear lies. Cotton is typically not irritating, but bulky, scratchy materials like wool are—especially around your neck.
Bug bites typically show up as one or a few distinct red bumps, but many people can develop a generalized allergic reaction after getting bit by certain bugs. This is commonly seen with mosquito bites , and presents as itchy, red bumps around the area you were bit. For instance, if you wake up with itchy red bites you can't explain, it could be a sign you have bed bugs.
These bites typically appear on skin that's exposed while you're sleeping, like the arms, shoulders, neck, and face. They can also cause an itchy red rash in people who are sensitive. If you think you could have a tick bite, look for the telltale target-like appearance and see a doctor, as it could develop into Lyme disease. Heat rash goes by a few different names miliaria, prickly heat and can cause a variety of symptoms. It develops when your pores trap sweat in your skin, forming small fluid-filled blisters and bumps, the Mayo Clinic explains.
If the condition occurs in deeper layers of skin, it can cause more serious symptoms like red bumps, itching, and prickling sensations. Even more severe symptoms can include inflamed, pus-filled bumps and goose-bump like lesions caused by leaking sweat. In adults, the rash usually occurs in areas of the skin that are covered—especially during a workout or in a hot, humid environment. If your symptoms are on the milder end, they may simply go away on their own once your skin is able to cool down.
But if your symptoms are more severe and include itchiness, you can try applying an over-the-counter calamine lotion. In even more severe cases, your doctor may prescribe a topical steroid to help calm the skin. Sun allergy is a general term used to describe several different types of reactions to the sunlight. The most common form of sun allergy is sun poisoning also referred to as polymorphic light eruption , the Mayo Clinic says. The condition causes redness, pain, and patches of small itchy, red bumps in response to sun exposure.
The bumps may be blisters or combine into raised patches of red skin. It usually happens on the forearms or other places that have been covered for months and then all of a sudden see the sun.
Lice bites can occur on the head , in the pubic area , or on the body. The bites look like red or pink clusters. You may see eggs along with the bumps. Shop for OTC treatments: Shop for lice treatments. Also shop for lice combs. Bed bug bites can look like red lines made up of dots, which may be flat or raised. Scabies leads to raised, red bumps which may appear along wavy lines. The wavy lines are made by the burrowing insects.
It kills scabies mites and their eggs. Shop for OTC treatments: Shop for scabies creams. Remember that prevention, in the form of insect repellents and keeping your skin covered, is the most important step in keeping bloodthirsty critters away. Shop for OTC treatments: Shop for antihistamines , such as loratadine , cetirizine , fexofenadine , and diphenhydramine.
Shop for cold compresses , calamine lotions , and insect repellents. Psoriasis is a chronic condition that causes red, scaly patches to appear on the skin. One form of psoriasis, guttate psoriasis , is characterized by small reddish or pinkish spots that may also have a scaly quality.
Spots are likely to occur on the trunk and limbs. Guttate psoriasis is the second most common type of psoriasis, following plaque psoriasis. It may cause hundreds of spots to occur at one time.
If the bumps are very widespread, they may also be cumbersome to apply. Phototherapy treatments may also be used. These treatments may involve ultraviolet light or a combination of ultraviolet light and a light-sensitizing medication such as psoralen. Shop for OTC treatments: Shop for psoriasis treatments. There are several different types of skin cancer which may appear like red bumps on the skin.
Skin cancer is typically caused by unprotected, chronic exposure to the sun. Basal cell carcinoma BCC is the most common form of skin cancer.
They often appear as one small and shiny red bump, and they can look like an open sore. It appears on the surface of the skin and is also referred to as squamous cell carcinoma in situ.
It resembles a reddish, scaly patch, which may ooze, crust over, or itch. HPV 16 is the wart virus associated with cervical cancer. Vasculitis is a condition which causes inflammation of the blood vessels.
This decrease in the flow of blood results on a wide range of symptoms, including:. There are many types of vasculitis, most of which are rare. Some of them have red skin bumps as a symptom, including:. Hypersensitivity vasculitis is also known as allergic vasculitis. An outbreak may be triggered by infection or adverse reaction to medications such as antibiotics, anti-seizure drugs , and gout medications.
Some people may be prescribed anti-inflammatory medications or corticosteroids to help with joint pain. Kawasaki disease , or mucocutaneous lymph node syndrome, is most often seen in children under five years of age.
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