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Pseudodysphagia, in its severe form, is the irrational fear of swallowing or, in its minor form, of choking. The symptoms are psychosomatic, so while the sensation of difficult swallowing feels authentic to the individual, it is not based on a real physical symptom.
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
Scale forms on the skin surface in various disease settings, and is the result of abnormal desquamation. In pathologic desquamation, such as that seen in X-linked ichthyosis, the stratum corneum becomes thicker (hyperkeratosis), imparting a "dry" or scaly appearance to the skin, and instead of detaching as single cells, corneocytes are shed in clusters, which forms visible scales. [2]
It causes small pustules in the skin of primarily sheep and goats, but can also occur on the hands of humans. [3] A pale halo forms around a red centre. [4] It may persist for several weeks before crusting and then either resolves or leaves a hard lump. [4] There is usually only one lesion, but there may be many, and they are not painful. [4]
Signs and symptoms of trichophagia are variable depending on the individual's behavior patterns. Trichophagia's loosest definition is the putting of hair in one's mouth, whether that be to chew it or suck on it, with the strictest definition being that the hair is swallowed and ingested.
Pica may lead to intoxication in children, which can result in an impairment of both physical and mental development. [5] In addition, it can cause surgical emergencies to address intestinal obstructions, as well as more subtle symptoms such as nutritional deficiencies and parasitosis. [5] Pica has been linked to other mental disorders.
Delusional infestation is classified as a delusional disorder of the somatic subtype in the Diagnostic and Statistical Manual of Mental Disorders (). [1] [8] The name delusional parasitosis has been the most common name since 2015, but the condition has also been called delusional infestation, delusory parasitosis, delusional ectoparasitosis, psychogenic parasitosis, Ekbom syndrome ...
Paresthesia is an abnormal sensation of the skin (tingling, pricking, chilling, burning, numbness) with no apparent physical cause. [1] Paresthesia may be transient or chronic, and may have many possible underlying causes. [1] Paresthesias are usually painless and can occur anywhere on the body, but most commonly occur in the arms and legs. [1]