Our Companies. The Main Street America Group was established in 1923 with the founding of National Grange Mutual Insurance Company (NGM), which was created to provide affordable insurance coverage to Grange Fraternity members in New Hampshire.
Autoimmune progesterone dermatitis is a rare disease caused by an autoimmune response to endogenous progesterone in women during their reproductive years [1]. Skin lesions typically occur due to increases in progesterone during the luteal phase of the menstrual cycle [2].
One of the more common symptoms of ringworm is itching of the skin. Psoriasis â Psoriasis is an autoimmune condition that causes red plaques to form on oneâs skin. The skin will often become flaky and can become itchy as well. There is also a condition known as inverse psoriasis, which often occurs in the armpits.