Breaking Out in Hives for No Apparent Reason - Healthline
网页2023年7月20日 — Hives can be dark red, pink, or white bumps or raised areas. They may appear for no apparent reason. Here's why they happen and what to do.
Hives and angioedema - Symptoms and causes - Mayo Clinic
网页2023年10月27日 — Angioedema can arise with hives or alone. It causes swelling in the deeper layers of skin, often around the face and lips. Short-lived (acute) hives and angioedema are common. Most times, they are harmless, clear up within in a day and don't leave any lasting marks, even without treatment.
Chronic hives - Symptoms and causes - Mayo Clinic
网页Hives — also called urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts. Chronic hives are welts that last for more than six weeks and return often over months or years. Often, the cause of chronic hives isn't clear. The welts often start as itchy patches that turn into swollen welts that vary in size.
Tinea versicolor - Symptoms & causes - Mayo Clinic
网页2024年7月13日 — Tinea versicolor is a common fungal infection of the skin. The fungus interferes with the normal pigmentation of the skin, resulting in small, discolored patches. These patches may be lighter or darker in color than the surrounding skin and most commonly affect the trunk and shoulders.
Rash on Back: Causes Treatments, Symptoms, and More - Healthgrades
网页2022年7月7日 — A rash on the back can occur for many reasons. It can happen as a result of contact with an allergen or irritant. It can also occur due to an infection or underlying health condition. Treatments for a back rash typically include corticosteroids to reduce inflammation and lotions to soothe pain and dryness.
Pressure Urticaria: Symptoms, Causes, and Treatment - Verywell …
网页2022年12月2日 — Pressure urticaria is a type of hives caused by prolonged pressure on the skin over a long period, such as from carrying something heavy, an object resting on the body, or wearing tight clothing. About 2% to 5% of people experience pressure urticaria, either immediate or delayed.
22 Common Skin Rashes: Pictures, Causes, and Treatment - Healthline
网页2024年3月27日 — A rash is any area of irritated or swollen skin. Rashes may be itchy and painful and appear differently on different skin tones. In some cases, a rash may be a sign of a medical emergency.
Hives | How Long Hives Last, Causes & Treatment | Buoy - Buoy …
网页2024年4月17日 — 1. First steps to consider. Occasional hives can usually be treated at home as long as you do not develop other symptoms like trouble breathing or swelling. Taking OTC antihistamines can help if you get hives. 2. When you may need a provider. You’ve taken a medication and developed hives.
Hives: Symptoms, Causes, and Treatment - Healthgrades
网页2023年7月26日 — Hives are swollen, itchy, or discolored bumps, usually resulting from an allergic reaction or immune system response. They are often mild and improve on their own quickly, but some cases can be chronic. Hives can range from mild and temporary to severe and chronic. Treatment isn’t always necessary for mild cases.
Shingles Rash on Back: Symptoms, Treatment, Other Causes - Healthline
网页2023年2月10日 — Shingles is a skin rash caused by the varicella zoster virus (VZV), which also causes chickenpox. Most commonly, it appears in a stripe that wraps around one side of the body onto the flank...