The location on the body of the bumps often provides a clue to their cause. Genital bumps may indicate molluscum or scabies, while an itchy scalp may be caused by head lice, a fungus (such as ringworm), or a form of eczema called lichen simplex. A form of eczema on the hand (dyshidr...
causes it. Generally, mildlichen planusdoesn't need any treatment. If it causes pain or ulcers, it can be treated with oral and topical medication. Oral lichen planus can be chronic and may increase the risk for oral cancer. Lichen planus can also affect skin, scalp, nails, and genitals....
Seborrheic dermatitis appears as scaly skin-colored or red patches on the scalp (dandruff), face, armpits or groin in some people with oily skin. The condition develops due to an increased sensitivity to normal skin yeasts and can be triggered by cold weather and stress[14]. Treatment includes...