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Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).
Pitted keratolysis (also known as keratolysis plantare sulcatum, [1] keratoma plantare sulcatum, [1] and ringed keratolysis [1]) is a bacterial skin infection of the foot. [2] The infection is characterized by craterlike pits on the sole of the feet and toes, particularly weight-bearing areas. The infection is caused by Kytococcus sedentarius.
Infection on the skin of the feet may cause athlete's foot and in the groin, jock itch. Involvement of the nails is termed onychomycosis. Animals including dogs and cats can also be affected by ringworm, and the disease can be transmitted between animals and humans, making it a zoonotic disease. Specific signs can be:
Athlete's foot, known medically as tinea pedis, is a common skin infection of the feet caused by a fungus. [2] Signs and symptoms often include itching, scaling, cracking and redness. [ 3 ] In rare cases the skin may blister . [ 6 ]
Infection can often be prevented by keeping the feet dry by limiting the use of footwear that enclose the feet, or by remaining barefoot. [7] The fungi may infect or spread to other areas of the body (such as by scratching one's feet and then touching one's groin). For each location on the body, the name of the condition changes.
Fungal infections like Malassezia: This type of yeast is typically present on the skin but can overgrow and cause folliculitis, especially in oily or humid conditions. Excess sebum production .
Any part of the foot can be affected by diseases, with symptoms ranging from mild aches to more serious pain hindering one's ability to walk or bear weight. Most minor cases of foot pain can be responded to by home care treatments. However, when severe pain is present, medical attention is required as it is a disabling condition.
Often intensely itchy, the red papules and pustules can also be associated with blisters and scales and are always remote from the primary lesion. [5] It is most commonly a blistering rash with itchy vesicles on the sides of fingers and feet as a reaction to fungal infection on the feet, athlete's foot. [6]