Porphyria Cutanea Tarda
Porphyria cutanea tarda (PCT) is the most prevalent form of hepatic porphyria, a group of metabolic disorders resulting from enzyme deficiencies in the heme biosynthetic…
Polymyositis
Polymyositis is a chronic inflammatory myopathy that primarily targets skeletal muscles, leading to progressive muscle weakness. As an autoimmune disorder, it arises when the immune…
Polymyalgia Rheumatica (PMR)
Polymyalgia rheumatica (PMR) is a chronic inflammatory disorder predominantly affecting adults over the age of 50. Characterized by pain and stiffness in the shoulders, neck,…
Polymorphous Light Eruption (PMLE)
Polymorphous light eruption (PMLE) is a common photosensitivity disorder characterized by an abnormal skin reaction to ultraviolet (UV) radiation, typically following sun exposure. It most…
Polycythemia Vera
Polycythemia vera (PV) is a rare, chronic myeloproliferative neoplasm (MPN) marked by the overproduction of red blood cells in the bone marrow. In many cases,…
Polycystic Ovarian Syndrome (PCOS)
Polycystic ovarian syndrome (PCOS) is a complex endocrine disorder affecting women of reproductive age. It is characterized by hormonal imbalances, irregular ovulation, and the presence…
Polyarticular Juvenile Idiopathic Arthritis
Polyarticular juvenile idiopathic arthritis (JIA) is a chronic autoimmune condition affecting five or more joints during the first six months of disease onset in children…
Polyarteritis Nodosa
Polyarteritis nodosa (PAN) is a rare, systemic necrotizing vasculitis that primarily affects medium-sized muscular arteries. It results in inflammation and damage to vessel walls, leading…
Poliomyelitis Vaccination
Poliomyelitis, commonly known as polio, is a highly infectious viral disease that primarily affects young children and can lead to irreversible paralysis or death. Caused…
Poisoning Due to Scorpion Venom
Poisoning due to scorpion venom, also known as scorpion envenomation, represents a significant medical emergency in tropical and subtropical regions. Among the 1,500+ species of…
