Your new perfume burns on the skin and bubbles form? You can also no latex gloves meet when rinsing the dishes? Most likely, you suffer from a contact allergy. But do not worry, you are not alone! A quarter of all Germans, that is almost every fifth is affected by one Contact allergy , symptoms In a contact allergy (in medical jargon also called “allergic contact dermatitis” or “allergic contact dermatitis”), the affected person’s skin reacts to any contact with a particular substance. The irritations of the skin are expressed by skin reddening, burning and itching. In addition to skin redness and swelling of the Rash also in the form of eczema, wheals, crusting and dandruff, oozing nodules and blisters occur. There are more than 3,000 substances known to cause contact allergy, including both natural and artificial substances. Contact allergy is one of the “late-type allergies”, i. the symptoms do not appear until 24 hours to three days after contact with a specific substance. The so-called T cells of the defense system are considered responsible for the reaction. They pour in contact with the allergens Messenger substances that cause inflammation in the form of a visible skin change. Comparable with other allergies, the contact allergy is an overreaction of the immune system. The most common triggers of contact allergy – nickel : Is a metal that is used both in the natural environment and in industry. This includes jewelery, coins, buttons, fasteners, batteries and prostheses. But nickel also occurs in plants, food and cigarette smoke. -Duftstoffe: Mostly included in perfumes and personal care products, e.g. Face creams, body lotion, shower gel, etc. Fragrances are widely used in cosmetics, but also in everyday use items such as washing powder. © istock / Anna-Ok Dyes and Preservatives: Are also often included in cosmetics. Contact eczema is caused, for example, by parabens (artificially produced preservatives which are responsible for the shelf life of cosmetics). -Plants: There are many plants that trigger contact allergies, such as chamomile and arnica. Plant extracts are often included in care products, such as in shampoo. Also, chamomile is considered the trigger of a contact allergy. © iStock / Rouzes -Wollwachs: Can be found in ointments and shaving cream. It serves as a basis for ointments, but is also used as an ingredient in polishes. diagnosis If you suspect a contact allergy, seek out your dermatologist (dermatologist). In a conversation then u.a. Clarified when the symptoms first occurred. The dermatologist can do one allergy test , the so-called epicutaneous test, in which suspected substances are applied to the back of the patient. Then a special plaster is glued to the area. After 48 to 96 hours at the latest, the patch is removed and the skin is subjected to reactions of a contact allergy ( eczema , Redness etc./ see symptoms). If a contact allergy is suspected, the dermatologist carries out an allergy test (epicutaneous test) © istock / Neeila treatment A desensitization as with other forms of allergy is not possible according to current knowledge. Since the contact allergy lasts a lifetime, it is for the patient to renounce any contact with the triggering substances of a contact allergy. Following diagnosis, the doctor will choose the appropriate therapy for the patient. Various ointments or cortisone creams may be prescribed but should only be used for a short time. To the Strengthen the acid mantle of the skin , I also recommend to abstain from alkaline (alkaline) soaps and more likely to resort to oily products and moisturizing creams. In chronic eczema can also be a light therapy help with UVB rays.