Granuloma Annulare is a benign skin condition that occurs in adults and children.
The lesions are smooth, skin coloured annular (or ring-like) found usually on hands, feet, wrists and ankles. The cause is generally unknown.
Pityriasis Rosea is a skin condition known to occur due to a viral infection. The initial presenting lesions appear red and ring like resembling Ringworm.
But eventually, they form raised papules on the skin. It can occur anywhere on the body but is most common on the neck and trunk.
The lesions generally equally on both sides of the body, i.e. they are symmetrical.
Urticaria is skin condition characterised by a reddish rash or wheals with intense itching and swelling of the eruptions. The borders of the lesions are raised and the centre blanched.
It occurs either due to an allergic reaction or physical reasons like excess pressure on skin or tight clothing. Sometimes cause may be unknown.
Sarcoidosis is chronic condition of unknown origin characterized by enlargement of lymph nodes of the body specially lungs, liver and appearance of granulomas.
The typical skin changes are raised, reddish, annular lesions most commonly affecting the face.
Since, lungs are the most commonly affected organ, diagnosis is made after chest x-rays, CT scans, blood tests, etc.
Cutaneous Candidiasis is a skin infection caused by yeast called Candida Albicans which is also a type of fungus.
Candidiasis can appear either as white or red rashes on the skin. It feels moist and peels, and can be painful and irritating.
There may also be itching, cracks formation and soreness. There may also be blisters and pustules on the infection.