Contact Dermatitis
Contact dermatitis is a red, itchy rash that appears where the skin touches an irritant or an allergen, such as soaps, metals or chemicals. It settles once the trigger is avoided.
Causes & risk factors
- Irritants: soaps, detergents, chemicals, frequent water
- Allergens: nickel (jewellery), fragrances, rubber, dyes
- Cosmetics and hair products
- Certain plants
- Work-related exposures
Common symptoms
Tests & diagnosis
- Diagnosed from the rash and its location
- Patch testing for allergic causes
- Review of products and exposures
- Skin swab if infection is suspected
Treatment & management
- Identifying and avoiding the trigger
- Washing off the irritant promptly
- Moisturisers to repair the skin
- Steroid creams for flare-ups
- Protective gloves for hand exposures
When to see a doctor urgently
- Widespread, severe or blistering rash
- Signs of infection: pus, spreading redness, fever
- Rash near the eyes or on the face
- A rash that keeps returning despite avoiding suspected triggers
Not a diagnosis. MedDroid gives general educational information about contact dermatitis. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
How do I find out what is causing it?
Patch testing can identify allergic triggers. Keeping track of products and where the rash appears also helps pinpoint the cause.
Will it go away on its own?
Usually yes, once the trigger is avoided and the skin is cared for. Ongoing exposure keeps the rash going.
Explore more
MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.