Bizarre Mental Disorders and Conditions
List of truly unusual conditions and disorders.
List of mental disorders or conditions marked by great elation and violent action or irrational and prolong desire or enthusiasm.
Here’s a compilation of some of the most peculiar conditions or disorders.
Urolagnia
Urolagnia (also known as urophilia or undinism) is a sexual fetish in which participants derive sexual pleasure from urine and urination.

Urolagnia fetishists often like to urinate in public, or urinate on, or be urinated on by other people, and may drink the urine. The consumption of urine is urophagia. Some like to watch others doing these things.
Tarantism
Tarantism is a nervous affection marked by manic or hysterical fits of dancing, melancholy, or stupor, believed to be attributed to the bite of a tarantula. The condition was common in southern Italy during the sixteenth and seventeenth centuries. The stated belief of the time was that victims needed to engage in frenzied dancing to prevent death from tarantism. Supposedly a particular kind of dance, called the Tarantella, evolved from this therapy.
Dipsomania

Dipsomania is a disorder having an uncontrollable craving for alcoholic beverages. It is also known as enomania. The obsession is so compulsive that the dipsomaniac will ingest whatever intoxicating liquid is at hand, whether it is fit for consumption or not. Dipsomania differs from alcoholism in that it is an uncontrollable periodic lust for alcohol, with, in the interim, no desire for alcoholic beverages. Famous dipsomaniacs include the German composer Max Reger, American actress and model Marilyn Monroe and American authors Ernest Hemingway and Edgar Allan Poe.
Bathophobia

Bathophobia is the extreme fear of looking downwards from high places or an abnormal and persistent fear of depths. Sufferers from bathophobia experience anxiety even though they realize they are safe from falling into or being consumed by depths. The feared object may be a long, dark hallway, a well or a deep pool or lake.
Aphrodisia

Aphrodisia is the extreme or morbid sexual passion. Its opposite is anaphrodisia which is the loss of sexual desire.
Hypnolepsy

Hypnolepsy is a neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep or uncontrollable desire to sleep for brief periods also called narcolepsy. It is the opposite of hyprophobia which is the pathological aversion to falling asleep.
Melancholia

Melancholia is a major affective disorder characterized by worry, anxiety, agitation, great depression, severe insomnia, and inhibition of activity. It is also called lugubriousness, moroseness, or wistfulness.
Lycomania

Lycomania or lycanthropy is a form of insanity in which a person imagines himself to be a wolf.
Windigo Psychosis

Windigo Psychosis is a culture-bound disorder which involves an intense craving for human flesh and the fear that one will turn into a cannibal. This once occurred frequently among Algonquian Indian cultures, though has declined with the Native American urbanization.
Somniloquism

Somniloquism is the habitual talking in one’s sleep, also called somniloquy.
Gynecomastia

Gynecomastia is the unusually large breasts in male which can sometimes cause secretion of milk. The cause has generally been attributed to an imbalance of sex hormones.
Hirsutism

Hirsutism is an abnormal condition marked by the excessive growth of hair, sometimes in unusual places as on the face of a woman.
Trichorrea

It’s an abnormally rapid falling of hair.
Rhypophagy

Rhypophagy is an eating disorder of eating of filth or dirt. Because of poverty, poor Haitians resort to eating dirt. It is the complete opposite of rurophobia, the morbid aversion to dirt or filth.
Geophagia

Geophagia or Geotragia is the practice of eating earth, clay, or chalk. It is closely related to pica. Certain group of people in Africa, India, United States and many underdeveloped/developing countries practice this bizarre thing.
Hematidrosis
Hematidrosis is the strange secreting bloody sweat. Hematidrosis which is also called hematohidrosis is a very rare condition in which a human being sweats blood. It may occur when a person is suffering extreme levels of stress, for example, facing his or her own death. Several historical references have been described; notably by Leonardo da Vinci: describing a soldier who sweated blood before battle, as well as descriptions in the Bible, that Jesus experienced hematidrosis when he was praying in the garden of Gethsemane (Luke 22,44).
Coprophilia
Coprophilia is an abnormal attraction to feces and defecation. Coprophilia can be said to like the smell, taste, or feel of feces in a sexual way. There are people who make movies involving coprophilia. This is called scatology. Scatology is common in German and Japanese sex movies. It is the paraphilia involving sexual pleasure from feces.
Coprophagia
Coprophagia is the consumption of feces. Only in rare cases is it practiced by humans, usually as a manifestation of psychiatric illness or being used in some sexual paraphilic practices.
Coprolalia
Coprolalia is an abnormal desire to use obscene words in ordinary conversion. Related conditions are copropraxia which is performing obscene or forbidden gestures, and coprographia, making obscene writings or drawings.
Demonomania
Demonomania is an irrational belief that one is possessed by demons or evil spirits. A form of madness in which the patient conceives himself possessed of devils.
Nosomania
Nosomania is an unusual assumption that one has some special illness or disease; hypochondriasis.
Eremophobia
Eremophobia or monophobia is the extreme or morbid fear of being alone. It is opposite to agromania which is a morbid desire to live in solitude.
Ecomania
Ecomania is an extreme humbleness in the presence of those in authority but having a dominating and irritable attitude toward family members; manifested in chronic alcoholism.
Hemeralopia
Hemeralopia is a disorder known as day blindness, the difficulty in seeing during the day which is the exact opposite of nyctalopia or night blindness.
Ahypnia
Ahypnia or Insomnia is a chronic inability to sleep or sleeplessness. It is similar to egersis which is an abnormal wakefulness or extreme alertness.
Megalomania
Megalomania is a mental disorder characterized by extreme preoccupation with delusions of power, greatness, or good.
Depersonalization
Depersonalization is a neurosis characterized by feelings of unreality and lost sense of personal identity; a lessened sense of one’s perception of self, may occur in a mild form in a normal person.
Sitiergia
Sitiergia is the hysterical refusal to take food; probably related to anorexia nervosa.
Paramnesia
Paramnesia is the sensation of remembering something which has never actually existed or occurred. It denotes errors of memory. This is common among confused, amnesic people and also occurs in paranoid states.
Psycasthenia
Psycasthenia is an emotional disorder marked by obsessions, compulsions, anxiety, doubts, feelings of inadequacy, and phobias.
Catatonia
Catatonia is a type of schizophrenia characterized by immobility and unresponsiveness; exhibiting fixed posturing and refusal to communicate.
Sitomania
Sitomania is a periodic bulimia or excessive hunger or abnormal craving for food. It is the opposite of sitophobia which is an abnormal repugnance to food, either generally or to certain selective dishes.
Dysphoria
Dysphoria is referred to restlessness or having a feeling of unrest and depression without cause. It is the opposite of Euphoria which is a medically recognized emotional state related to pleasure and happiness.
Oikomania
Oikomania is an abnormal attachment to home. It is the total opposite of oikophobia which is a nervous disorder or an abnormal dislike of the home caused by unhappy home surrounding.
Chloropsia
Chloropsia is a visual disorder in which all things appear green. It is synonymous to green vision.
Misanthrophy
Misanthropy is the hatred of mankind. It is a general dislike, distrust, or hatred of the human species, or a disposition to dislike and/or distrust other people.
Misopedia
Misopedia is the abnormal hatred or dislike of children.
Cherophobia
Cherophobia is the extreme fear of and aversion to gaiety or happiness.
For more bizarre diseases and conditions and other related articles – check the ff:
20 Most Bizarre Congenital Defects/Abnormalities
Common and Rare Birth Defects or Congenital Disorders and their Causes
The Most Bizarre Sexual Disorders
Bizarre Deadly Diseases Transmitted by Animals to Humans
Deformities Caused by Bizarre Diseases or Physical Anomalies
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Judy Sheldon | Jul 26, 2008 | Reply
I want none of the above, thank you. lol
Juancav | Jul 26, 2008 | Reply
it is alien, in this case there are various unimaginable.
eddiego65 | Jul 26, 2008 | Reply
Truly bizarre! Very interesting article! Thanks!
Arie Uittenbogaard | Jul 26, 2008 | Reply
Dipsomania? I didn’t know it had such a fancy name.
Unofre Pili | Jul 26, 2008 | Reply
I seem suffering from melancholia. Nice artilce.
Ruby Hawk | Jul 26, 2008 | Reply
Strange ailments, an interesting article.
nobert soloria bermosa | Jul 30, 2008 | Reply
thank you all,i appreciate your support very much
FT | Oct 26, 2009 | Reply
i feel as though i have at least 30% of these… seriously something like one out of 3…minimum, am i alone here? in some cases i even feel as though i have severe cases of both a condition and its opposite simultaneously (yeah i know it sounds weird)