Drug-Induced Photosensitivity Definition Drug-induced photosensitivity (light or sun sensitivity) is defined as skin inflammation caused by the combination of sunlight and certain medication. Drug-induced photosensitivity causes redness (erythema) and sunburn-like appearance of the skin. Both drug and light are required to >> Read More ...
The treatment of pigmentation disorders involves the management of hyperpigmentation and hypopigmentation skin disorders. Hyperpigmentation refers to the darkening of the skin due to increased production of the melanin which is the skin pigment synthesized by melanocytes. Hypopigmentation is lightening of the skin due to >> Read More ...
What is Hirsutism? Hirsutism is the excessive growth of thick hair, particularly on areas of the body not commonly seen in women. The hair growth in hirsutism is typical of male hair growth patterns, affecting the face (moustache/mustache or beard), chest, abdomen or back. While most women may have fine hair on these parts >> Read More ...
Tingling or Numb Lips Lip tingling is abnormal feeling, and lip numbness is decreased or absent feeling in the lip. Both sensations, medically called paresthesia, arise from conditions affecting sensory nerves in the lips, but usually not from neurological diseases. Skin diseases also rarely cause tingling or numbness >> Read More ...
What Is Paleness? Paleness (pallor in Latin) is abnormal loss of color from normal skin or mucous membranes due to reduced amount of the blood in the skin arteries. Paleness should be distinguished from other causes of prominent white skin: Fair skin is genetically determined skin hue with low concentration of skin pigment >> Read More ...
Sweating or perspiring is a skin response aimed at cooling down the body. It is one of several mechanisms to regulate the body temperature. Heat is generated internally by the body’s metabolic activity and dissipated from the skin surface. The evaporation of sweat from the skin surface assists with the cooling >> Read More ...
Human hairs are elongated strands primarily composed of the protein keratin. The main function of hair is to provide warmth, both by acting as an insulator on the surface and by standing erect in cold and windy conditions to slow down the flow of air on the skin surface. It may also offer some degree of protection, albeit >> Read More ...
The body has several mechanisms to control the internal temperature. Heat is generated by the body’s cells as part of its metabolic activity. At the same time heat is lost through the surface of the skin into the environment. The heat will dissipate faster if the body is unclothed or when the environment is cold and >> Read More ...
What are Lice? Lice are tiny gray-brown insects that live, grow, and feed on humans as parasites. It feeds on the host’s blood by piercing the skin of the host with its narrow anterior mouth parts. Lice may spread from one person to another through close contact or by sharing personal items and clothing. Dogs, cats, or >> Read More ...
The epidermis of the skin has a number of appendages which maintains the integrity of the skin and help it carry out its various functions. The hair follicles, sweat and sebaceous glands are epidermal structures which are pushed into the dermis where it is rooted. Without these appendages, a number of functions of the skin >> Read More ...
