What causes skin allergies rashes
Common symptoms of an allergic reaction include:
- swollen lips, tongue, eyes or face
- tummy pain, feeling ill, vomiting or diarrhoea
- itchy, red, watering eyes (conjunctivitis)
- a raised, itchy, red rash (hives)
- sneezing and an itchy, runny or blocked nose (allergic rhinitis)
- wheezing, chest tightness, shortness of breath and a cough
- dry, red and cracked skin
The symptoms vary depending on what you’re allergic to and how you come into contact with it.
For example, you may have a runny nose if exposed to pollen, develop a rash if you own a skin allergy, or feel sick if you eat something you’re allergic to.
See your GP if you or your kid might own had an allergic reaction to something.
They can assist determine whether the symptoms are caused by an allergy or another condition.
Read more about diagnosing allergies.
Severe allergic reaction (anaphylaxis)
In rare cases, an allergy can lead to a severe allergic reaction, called anaphylaxis or anaphylactic shock, which can be life threatening.
This affects the whole body and usually develops within minutes of exposure to something you’re allergic to.
Signs of anaphylaxis include any of the symptoms above, as well as:
Anaphylaxis is a medical emergency that requires immediate treatment.
Read more about anaphylaxis for information about what to do if it occurs.
Sheet final reviewed: 22 November 2018
Next review due: 22 November 2021
A skin rash is an area of skin that has become swollen, inflamed, or irritated.
Skin rashes can include skin bumps that glance love pimples or sores; blotchy, scaly or red skin; and itchy or burning skin. Allergens, heat, and certain medical conditions (some more serious than others) can every cause skin reactions love these. Some skin rashes happen correct away, while others take some time to develop. Some tend to happen on the face while others flare up on the arms, legs, or torso.
Location, appearance, and color of a skin rash are every factors in determining the correct diagnosis and the correct treatment.
It’s significant to note that the expression “rash can mean a whole lot of things to a whole lot of diverse people,” says Whitney High, MD, the director of dermatopathology at the University of Colorado School of Medicine in Denver, and a spokesperson for the American Academy of Dermatology. “To a dermatologist, rash is an extremely wide term, ranging from connective tissue disease love lupus, to infections, to something extremely obvious” — for example, after using a new laundry detergent, you notice redness and irritation in your underarms; when you switch back to your ancient detergent, it goes away.
Some rashes may be relatively harmless and simple enough to take care of at home while others can be more problematic.
So how do you know when to see your doctor for medical treatment?
Isabela Jones, MD, a dermatologist at McLean Dermatology and Skincare Middle in McLean, Virginia, recommends seeking medical attention if any of the following symptoms are also present:
- A rash that is painful and that is every over the body or spreading rapidly.
- Blisters or open sores on the skin, mouth, or genitalia. “Some benign rashes, love poison ivy, can cause little blisters in the skin. However, numerous times blisters and open sores can indicate a serious or life-threatening condition that requires immediate intervention,” she notes.
- Fever, which “can indicate the presence of an infection, serious reaction to a medication, or rheumatologic disease,” says Dr.
- A rash that has not improved with home care.
Dr. High notes that if you’re feeling well and the condition is not interfering with your quality of life, it’s fine to attempt reasonable home remedies, such as hydrocortisone cream.
But if the irritation persists, however innocuous it may seem, it’s a excellent thought to check with your doctor. “Usually, if a rash has not improved within two weeks of starting home care, seeking medical care would be recommended,” says Jones. “Contacting a dermatologist or primary care provider is never a bad thought if someone is uncertain about how to treat the rash, or is generally worried about the appearance of the rash,” says Jones.
If you're suffering from a skin rash, check out the following images to see if it could be one of these. (Warning: A few of these rashes might be a little tough to glance at.)