ILLNESSOPEDIA

Free Online Database Of Diseases, Illnesses & Ailments

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Here you can look through thousands of and diseases, ailments, medical conditions and illnesses. You can find the symptoms. Read about any ailment's diagnosis and find medications that can be used and the correct treatments that are needed.

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Diseases, Illnesses & Ailments Starting from Letter N


  1. Neuroleptic Malignant Syndrome
    Neuroleptic malignant syndrome is a critical, life-threatening neurological disorder usually due to an adverse reaction neuroleptic or antipsychotic drugs. [read more]

  2. neuroma
    Neuroma is a term generally used to describe any swelling or inflammation of a nerve, but more specifically used in reference to a tumor (usually benign) growing in the nerve cells. [read more]

  3. Neuroma, Plantar
    A Plantar Neuroma or an Intermetatarsal Neuroma is an unusual growth of nerve tissue in the different parts of the body, most especially the third and fourt toes whereby there is a burning pain the ball of the foot. [read more]

  4. Neuropathic Pain
    Neuropathic pain is a term used in reference to a state of complex, chronic pain accompanied by tissue injury. [read more]

  5. neuropathy
    Neuropathy is a peripheral nerve disease; i.e. a disorder of the motor, sensory, and autonomic nerves that connect the spinal cord to the skin, muscles, and internal organs. [read more]

  6. neurosis
    Neurosis pertains to a wide range of mental disorders that, unlike psychosis and certain types of personality disorders, do not generally affect self-awareness and overall rational thought. It is also known as neurotic disorder or psychoneurosis. [read more]

  7. Neurotoxic Shellfish Poisoning
    Neurotoxic shellfish poisoning is a rare type of food poisoning that results from ingesting contaminated shellfish. [read more]

  8. Neurotoxicity Syndromes
    Neurotoxicity syndromes are disorders characterized by altered nervous system functioning due to exposure to natural or man-made neurotoxins. Exposure to these toxic substances can result to nervous system poisoning by destroying or even killing neurons, which are the key cells responsible for transmitting and processing signals in the brain and other parts of the nervous system. [read more]

  9. Neutropenia
    Neutropenia is a condition of an abnormal low number of a type of a particular type of white blood cell called a neutrophil. White blood cells are the cells in the blood that has an important role in the body's immune by fighting off infection. Because white blood cells could be affected by many diseases, doctors will often check the "white blood cell count" in evaluating health conditions. [read more]

  10. Nevi
    Nevi otherwise known as the Moles, are clusters of pigmented cells that is usually small, and dark brown in color spots. It is usually not harmless but in some cases they are cancerous. [read more]

  11. Nevoid Basal Cell Carcinoma Syndrome
    This condition is also known referred to as Multiple Basal Cell Carcinoma Syndrome, Basal Cell Nevus Syndrome, Gorlin-Goltz Syndrome or Gorlin Syndrome. This condition can be inherited. A person with this disease has multiple defects. Affected areas of the body include the skin, eyes and bones, nervous and endocrine systems. This condition had its very first definition in 1960. It is an autosomal dominant condition that causes unusual appearance of the face and a higher risk for cancer. 1 case per 56,000-164,000 population had been reported to have this condition. A child who had inherited the defective gene from either his mother or father will most likely have NBCCS. [read more]

  12. nevus
    Nevus, or nevi in plural form, is the medical term for moles, which are basically clusters of pigmented cells that typically appear as small, dark brown spots on the skin's outer layer (epidermis). Nevi can be found in virtually any part of the body. [read more]

  13. Nevus, Congenital Melanocytic
    A type of melanocytic nevus (or mole), congenital melanocytic nevus is found in infants at birth. It is located in the area of the neck and head 15% of the time occurring in about 1% of infants in the United States. Its appearance is similar to those of acquired one but is usually larger in diameter and may have excess hair, called hypertrichosis. Congenital melanocytic nevus microscopically appears similar to acquired nevi with two notable exceptions. The neval cells are found deeper into the dermis for congenital virus, and the deeper neval cells are found along with neurovascular bundles with surrounding sebaceous glands, hair follicles and subcutaneous fat. [read more]

  14. Nezelof's Syndrome
    Nezelof syndrome is also a form of thymic dysplasia. This condition is due to a congenital immunodeficiency meaning it is already present at birth. Underdevelopment of the thymus is the major finding among patients. It is also the primary cause of this disease. This condition is an immune deficiency disorder in which the cells that normally fight infections are unable to do their job. As a result, the body becomes sensitive and prone to various forms of infections such as viral and bacterial. Secondary complications affecting the different systems of the body usually arise due to the inability of the immune system to function normally. Nezelof Syndrome is classified as a rare disease mainly affecting the immune system. This condition is strongly considered as a form of combined immunodeficiency in ICD-10 and a deficiency of cell-mediated immunity in ICD-9. [read more]

  15. Niacin Overdose
    Niacin overdose pertains to an excessive ingestion of niacin, a component of the vitamin B complex primarily responsible for converting food into energy and controls the metabolism of carbohydrates, fats, and proteins. If taken in excessive doses, niacin can cause peptic ulcers, liver damage, and skin rashes. [read more]

  16. Nicholas Favre Disease
    Nicholas-favre disease, also known as lymphogranuloma venereum, is a sexually transmitted disease characterized by genital ulcers. It can affect the lymph nodes and cause serious problems in the bloodstream. [read more]

  17. Nickel Allergy
    Nickel is one of the most common metals that is found in majority of everyday items, such as belt buckles, eyeglasses frames, jewelry, etc. Nickel allergy is a sensitivity to products that contain nickel, triggering an allergic reaction upon contact to skin or what is known as contact dermatitis. This is a type of skin inflammation that results to the swelling and reddening of the skin. [read more]

  18. Nicotine, Dependence
    Nicotine dependence is a condition where the person is vulnerable to a rather addicting chemical known as nicotine that is found in cigars and pipes. [read more]

  19. Niemann-Pick C1 Disease
    Niemann-Pick disease is classified as an autosomal recessive disorder that mainly affects the metabolism of lipids in the body. This means that the process of breaking down fats in the body and the manner of utilizing it for daily activities is impaired. This disorder affects the body in a way because it causes excessive and unhealthy amounts of lipids or fats to accumulate in the liver, bone marrow, lungs, spleen and even in the brain. Niemann-Pick disease is classified into three variants – Types A, B and C. There are two distinct bases for the variants of this disease. First is on the genetic cause and second on the symptoms being presented by the patients. [read more]

  20. Niemann-Pick C2 Disease
    Niemann-Pick disease is classified as an autosomal recessive disorder which affects the metabolism of lipids or fats in the body. The process of breaking down fats in the body and fat utilization to support daily activities is abnormal. As a result, excessive and unhealthy amounts of lipids or fats to accumulate in the liver, bone marrow, lungs, spleen and even in the brain. Niemann-Pick disease is classified into three variants – Types A, B and C. There are two distinct bases for the variants of this disease. First is on the genetic cause and second on the symptoms being presented by the patients. [read more]



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