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Introduction Acne is a chronic skin disease of hair follicles of the face, chest, neck, shoulders, and back occurs commonly in all teenagers and in some adults during their puberty period. It causes pimples, blackheads, and scars, but not serious. Our skin has tiny pores, which can be occluded by …

Definition Acute Respiratory Distress Syndrome is an acute diffuse lung disease. It happens when fluid is filled with air sacs (alveoli) in your lungs. It leads to increased pulmonary vascular permeability; enormous fluid in the lungs will lower the oxygen level in your bloodstream. This eventually makes the organ to …

Definition Acromegaly is a term comes from Greek words ‘extremities’ (acro) and ‘great’ (megaly). Acromegaly is an endocrine disorder in which the pituitary gland over secretes the growth hormones (GH) into the bloodstream. It is due to the presence of tumor in the pituitary gland.  During this malfunction of the …

Introduction Athlete’s foot is a common foot infection caused by infection with certain types of fungi, called dermatophytes—these are the same fungi that cause ringworm and jock itch. Dermatophytes grow best in moist, damp places, which is why infection commonly spreads in the shower areas of gyms and swimming pools. …

Definition Animal bites are common. Most are caused by dogs and cats. Cat bites can look minor, but they can be serious because a fang puncture can leave bacteria deep in the wound. Animal bite wound  Epidemiology The lack of standard reporting in many countries makes accurate estimates of mammalian …

Introduction Ascariasis is a parasitosis of the small intestine caused by one of two worm nematodes (family Ascarididae): Ascaris lumbricoides Linnaeus, 1758, which typically infects humans, and A. suum Goeze, 1782, which is generally found in pigs. The two species are morphologically very similar and both can cause cross infections …

Definition Avoidant personality disorder is characterized by feelings of extreme social inhibition, inadequacy, and sensitivity to negative criticism and rejection. Yet the symptoms involve more than simply being shy or socially awkward. Avoidant personality disorder causes significant problems that affect the ability to interact with others and maintain relationships in …

Definition Andropause is a condition that is associated with the decrease in the male hormone testosterone. It is unlike menopause in that the decrease in testosterone and the development of symptoms is more gradual than what occurs in women. Approximately 30% of men in their 50s will experience symptoms of …