Allergic Reaction Rash And Its Causes

By | August 13, 2015

Allergic reaction rash

Allergic reaction may cause many conditions. Here in this article we will look into the details of allergic reaction rash which is a condition caused by allergies.

The allergic reaction rash is the noticeable change in the texture or in the color of the skin. If you have allergic rash, your skin may become itchy, bumpy, chapped, scaly, or sometimes irritated. These rashes are caused by the wide range of the conditions which include allergies, medication, cosmetics, and some other diseases.

Causes of allergic reaction rash:

The contact dermatitis is a common cause of rashes. Contact rashes occur when you touch something that causes a reaction. Most contact rashes can be treated without the help of a doctor. A rash may be itchy, but scratching can make it worse and prevent it from healing.

Contact dermatitis could be caused by coming into the contact with the following things:

  • The beauty products, soaps, and the laundry detergent can cause allergic reaction rash.
  • dyes in clothing can also cause rashes.
  • The chemicals in the rubber, elastic, or in the latex.
  • The poisonous plants such as poison oak, poison ivy, or the poison sumac.

Drug rashes are caused by some medications as well. They could form as:

  • The allergic reaction
  • The side effects of medications.
  • In result of the sensitivity to the sunlight.

Other types of the allergic reaction rash include:

  • The eczema: It is common rash for the people with asthma or other types of allergies. The rash is often reddish and itchy as well, with the scaly texture.
  • The bug bites: It is tick bites are of the particular concern, as they can transmit the disease.
  • The psoriasis: It is a scaly, itchy, red rashes that forms along the scalp and the joints.
  • The dandruff: It is an itchy, flaky rash on the scalp. In case of an infant, the dandruff is called as cradle cap.
  • The seborrheic dermatitis: The dandruff that occurs on the ears, in mouth, nose, or some other parts of body besides the scalp.
  • Allergic reaction rash

Children are particularly prone to the rashes from the illnesses which are written below:

  • The chicken pox: which is a virus that causes the itchy blisters
  • The measles: It is a respiratory infection.
  • The scarlet fever: It is a bacterial disease known as streptococcus infection which requires antibiotics
  • The hand, foot, and mouth disease: The virus that causes red lesions
  • The fifth disease: The red, flat rashes on the face, upper arms, and the legs
  • The Kawasaki disease: The autoimmune disease that affects the blood vessels.
  • The impetigo: The bacterial infection that forms the red, wet sores that crust over.

The medical diseases could cause the rashes as well. It include the lupus erythematosus which is a long term disorder of autoimmune system. and the rheumatoid arthritis long term inflammation of the joints.

Allergic reaction rash you can take care at home:

The contact rashes could be treated at the home by the following guidelines:

  • Use of gentle cleansers instead of the soap.
  • Use of warm water instead of the hot water for washing.
  • Pat rash dry instead of the rubbing.
  • Let the rash to breathe. Do not cover with the clothing, if it is possible to do.
  • Stop using the new cosmetics or the lotions, as they may have triggered the rashes.

Do not scratch the rash. If it itches you, try an over the counter (OTC) hydrocortisone cream 1 %.Lotion with the calamine can soothe these rashes caused by the chicken pox and the poison ivy, poison oak, or the poison sumac.

An oatmeal bath could soothe the rashes caused by the shingles, eczema, or the psoriasis. The moisturizing lotion might help the eczema symptoms to reduce or disapear.

Dandruff is caused by the weather, the oily skin, stress, fatigue, or due to not washing the hair enough. The dandruff could usually be treated by washing the hair and scalp regularly with the dandruff shampoo. The medicated dandruff shampoos are commonly available at the drugstores, though the doctor can prescribe stronger types.

You can take the acetaminophen or the ibuprofen for mild pain which is associated with the rashes. Check with the healthcare provider before taking the drugs if you have the liver or the kidney disease, or the history of the stomach ulcers or/ and GI bleeding.

Allergic reaction rash

When You have to See Your Healthcare Provider:

You should seek immediate medical attention in case if you experience any of the following symptoms or conditions:

  • Increasing pain or the discoloration.
  • Tightness of throat or difficulty while breathing.
  • The swelling of face.
  • The new pain or a new rash.
  • A fever over 100.0 degrees F.
  • The confusion or dizziness.
  • A severe head or neck pain.
  • A repeated vomiting or the diarrhea.

Contact the health care provider if you have the following conditions:

  • The joint pain.
  • The sore throat or low fever.
  • The red streaks or the tender areas near the rash.
  • If you have been bitten by a tick.

What to Expect from the Healthcare Provider

The healthcare provider will examine the rashes. The expect to answer questions about the rash, the medical history, diet, and hygiene. The healthcare provider may also do following:

  • take the temperature of your body.
  • Can order a test such as the skin biopsy, the allergy test, or the complete blood count.
  • Can take skin scrapings for the analysis.
  • Can refer you to the specialist, such as a dermatologist.
  • Can prescribe you medication to relieve the symptoms.

You might be prescribed some medication or the medicated lotions. In some of the cases, the skin surgery might be required.


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