Formication: Causes & Reasons

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Possible Causes for Formication

Acute Amphetamine Intoxication

Central nervous system manifestations are as follows: Change of mental status, disorientation, and headache Dyskinesias Agitation Formication Symptoms of stroke Cardiovascular [emedicine.medscape.com]

Formication (sensory hallucination of insects crawling on/under skin, leading to obsessive scratching) and ulceration. [patient.info]

Confusion or agitation Bruxism Stroke caused by acute amphetamine toxicity Cutaneous findings are as follows: Skin flushing Infected deep ulcerations (ecthyma) in patients with formication [emedicine.medscape.com]

Vitamin B12 Deficiency

Open Access Review 1 Department of Neurosciences, Neurological, Psychiatric, Sensorial, Reconstructive and Rehabilitative Sciences, University of Padova, Via Giustiniani 5, Padova 35128, Italy 2 IRCCS San Camillo, Venezia 30011, Italy 3 Neuroradiology, University of Salerno, Baronissi 84081, Italy 4 Department of Medicine,[…] [doi.org]

Anxiety Disorder

Generalized anxiety disorder is a chronic condition characterized by beliefs that worry prepares and protects, but that excessive worry is out of control. In this article, I review the cognitive-behavioral model of generalized anxiety, focusing specifically on problems related to excessive worrying. Noncompliance in[…] [ncbi.nlm.nih.gov]

Primary Progressive Multiple Sclerosis

We present three patients with a clinical course and cerebrospinal fluid findings consistent with a diagnosis of primary progressive multiple sclerosis (PPMS). Extensive and repeated magnetic resonance imaging (MRI) examinations showed only diffuse abnormality in brain and spinal cord, but no focal lesions. We propose[…] [ncbi.nlm.nih.gov]

Lyme Neuroborreliosis

We report on a patient who developed seronegative Lyme neuroborreliosis complicating chemotherapy for chronic lymphatic leukemia. After the fifth cycle of chemotherapy (FCR: fludarabine, cyclophosphamide, rituximab and prednisone) the 63-year-old patient developed night sweat, arthralgia in elbows, wrists, proximal[…] [ncbi.nlm.nih.gov]

Multiple Sclerosis

Multiple sclerosis (MS) is the most common chronic disabling disease of the central nervous system (CNS) in young adults. It is characterized by the presence of multiple demyelinating inflammatory lesions disseminated in the CNS. Pseudotumoral lesions (PL) are rarely observed in patients with MS. These atypical lesions[…] [ncbi.nlm.nih.gov]

Chronic Myeloid Leukemia

Summary Epidemiology Its annual incidence has been estimated at between 1 and 1.5 cases per 100,000 and its prevalence at around 1 in 17,000. Clinical description The disease is typically triphasic with a chronic phase (CML-CP), accelerated phase (CML-AP) and blast phase (CML-BP). The majority of patients are[…] [orpha.net]

Hypoparathyroidism

Hypoparathyroidism NORD gratefully acknowledges Dolores Shoback, MD, Professor of Medicine, UCSF Endocrine Research Unit - 111N, SF - VA Medical Center, for assistance in the preparation of this report. Subdivisions of Hypoparathyroidism acquired hypoparathyroidism autoimmune hypoparathyroidism congenital[…] [rarediseases.org]

Essential Thrombocythemia

Practice Essentials Essential thrombocytosis (primary thrombocythemia) is a nonreactive, chronic myeloproliferative disorder in which sustained megakaryocyte proliferation leads to an increase in the number of circulating platelets [1] (see the images below). Mutations in JAK2, CALR, or MPL are found in approximately[…] [emedicine.medscape.com]

Erythropoietic Protoporphyria

Mol Med. 2009 Nov-Dec;15(11-12):425-31. doi: 10.2119/molmed.2009.00006. Epub 2009 Aug 12. Author information 1 Laboratory of Metabolic Diseases, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands. Abstract Erythropoietic protoporphyria (EPP) is an inherited disorder of porphyrin[…] [ncbi.nlm.nih.gov]

Hereditary ATTR Amyloidosis

Hereditary ATTR amyloidosis is a progressively fatal genetic disease caused by an accumulation of transthyretin in the liver and several other organs. The diagnosis is made by biopsy and supportive imaging studies. Liver transplantation is currently the mainstay of therapy. Novel treatment strategies are being[…] [symptoma.com]

Amphetamine Delusional Disorder

Misdiagnosed Pruritus; Formication due to Chronic Amphetamine Abuse. Asia Pac J Med Toxicol 2016;5:32-4. Statistics Article View: 1,399 PDF Download: 779 [apjmt.mums.ac.ir]

In some cases, formication occurs during active use of a given substance; in other cases, it occurs during withdrawal from a substance. [addiction.com]

Instant Feedback: Formication is a tactile hallucination. [rnceus.com]

Croton Oil Poisoning

It contains fatty acids like oleic acid, linoleic acid, myristic acid, arachidic acid, palmitic acid, formic acid, acetic acid, stearic acid, and less amounts of butyric acid [buzzle.com]

The oil comprises the fatty acids oleic acid 37%, linoleic acid 19%, myristic acid 7.5%, arachidic acid 1.5%, palmitic acid 1%, formic acid 1%, acetic acid 0.5%, stearic acid [tropical.theferns.info]

contains glycerides of stearic, palmitic, myristic, lauric, and oleic acids, and of the volatile acids - acetic, butyric, formic, valeric, tiglic (tiglinic - oleic series [chestofbooks.com]

Chemical Burn

We report on a 26-year-old woman who during early infancy (6 months) suffered from a chemical burn of the skin and upper airways due to spill of formic acid powder. [ncbi.nlm.nih.gov]

Formic acid is used in the tanning industry as well as in glue making. It creates a deep eschar that does not protect the body from systemic effects. [autoaccident.com]

Also, formic acid is used in tanning and cellulose manufacturing. Mono, di, and trichloroacetic acid are key ingredients in the manufacturing chemicals. [symptoma.com]

Methanol Poisoning

The role of formic acid in methanol toxicity in human subjects has not been established. [ncbi.nlm.nih.gov]

[…] diffusion of formic acid into cells. [ncbi.nlm.nih.gov]

Formic acid produces serious neurologic sequelae. [ncbi.nlm.nih.gov]

Metaldehyde Poisoning

This objective was achieved by adding acidified water (0.1% formic acid) to the methanol spray solvent MeOH:(H 2 O + 0.1% formic acid) (1:1, v/v). [nature.com]

The resultant PS-MS mass spectrum recorded when 5 μg of metaldehyde in 1 μL of deionized water was deposited on the paper substrate using MeOH:(H 2 O + 0.1% formic acid) [nature.com]

This quantitative analysis of metaldehyde in water was achieved from the metaldehyde calibration curve obtained with PS-MS using MeOH:(H 2 O + 0.1% formic acid) (1:1, v/v) [nature.com]

Acid Ingestion

Acute formic acid poisoning in south India. [degruyter.com]

Hydrochloric acid Cleaning agents, metal cleaning, chemical production, swimming pool products Hydrofluoric acid Rust remover, glass and microchip etching, jewelry cleaners Formic [mhmedical.com]

Dalus D, Mathew AJ, Somarajan Pillai S: Formic acid poisoning in a tertiary care center in South India: a 2-year retrospective analysis of clinical profile and predictors [karger.com]

Acidifying Agent Poisoning

The eluent consisted of solvent A (0.2% v/v formic acid in water) and solvent B (0.2% v/v formic acid in acetonitrile). [link.springer.com]

[…] acid which is toxic to the optic nerve early toxicity of formic acid is metabolic acidosis by formic acid itself formic acid also binds to cytochrome oxidase blocking oxidative [medbullets.com]

Sulfite or Potassium Bisulphite, Potassium Hydrogen Sulphite preservatives H A – E230 Diphenyl, Biphenyl preservatives – – C E231 Orthophenyl Phenol preservatives – – C E236 Formic [traditionaloven.com]

Toxic Effect of Corrosive Substances

[…] acid 10% Slow decomposing effect Formic acid 30% Slow decomposing effect Hydrogen chloride 10% Quick corrosive effect, also on steel Hydrogen chloride 37% Quick corrosive [training.itcilo.it]

Some concentrated weak acids, for example formic acid and acetic acid Strong Lewis acids such as anhydrous aluminum chloride and boron trifluoride Lewis acids with specific [en.wikipedia.org]

8 IB2, T7, TP21542022421 L30 L A 40 Formic acid with not less than 5% but not more than 10% acid by mass 8 UN3412III 8 IB3, T4, TP11542032415 L60 L A 40 Fuel cell cartridges [environmentalchemistry.com]

Toxic Effect of Corrosive Alkalis

There are two types of acids: mineral (inorganic) acids—such as sulfuric, hydrochloric, or nitric—and carboxylic (organic) acids such as formic or acetic. [labmanager.com]

[…] acid 10% Slow decomposing effect Formic acid 30% Slow decomposing effect Hydrogen chloride 10% Quick corrosive effect, also on steel Hydrogen chloride 37% Quick corrosive [training.itcilo.it]

Some concentrated weak acids, for example formic acid and acetic acid Strong Lewis acids such as anhydrous aluminum chloride and boron trifluoride Lewis acids with specific [en.wikipedia.org]

Methyl Ethyl Ketone Poisoning

Sigurdsson J, Björnsson A, Gudmundsson ST (1983) Formic acid burn--local and systemic effects. Report of a case.BurnsInclThermInj 9: 358-361. [omicsonline.org]

Finally, during MEKP decay, various organic acids are formed, e.g. formic acid, which induce acidosis and optic neuropathy. [flore.unifi.it]

Heamodialysis is highly beneficial in removing any accumulated organic acids, particularly formic acid, thus correcting metabolic acidosis and stopping further neurologic [omicsonline.org]

Organic Delusional Disorder

In some cases, formication occurs during active use of a given substance; in other cases, it occurs during withdrawal from a substance. [addiction.com]

Classically, patients complain of scratching, biting, burrowing, and wriggling sensations under the skin (formication). [dovepress.com]

Very often the imaginary parasites are reported as being "bugs" or insects crawling on or under the skin; in these cases the experience of the sensation known as formication [delusionalinsects.com]

Toxic Effect of Glycols

The formic acid buildup and lactic acid buildup are to thank for this. [emdocs.net]

An additional benefit is the effect of "ion trapping" formic acid. [derangedphysiology.com]

The formaldehyde is then metabolized by aldehyde dehydrogenase to formic acid. [emdocs.net]

Isopropyl Alcohol Poisoning

High anion gap metabolic acidosis (HAGMA) is produced due to generation of formic acid and increased production of lactic acid. [lifeinthefastlane.com]

Toxic effects are due in part to the alcohol itself, and in part to formic acid produced by its oxidation. [merckvetmanual.com]

The toxicity with methanol occurs from both the ensuing metabolic acidosis, as well as the formate anion (formic acid) itself. [17] Although the eye is the primary site of [emedicine.medscape.com]

Insect Bite

Some insects inject formic acid, which can cause an immediate skin reaction often resulting in redness and swelling in the injured area. [en.wikipedia.org]

Many species of bees and wasps have two poison glands, one gland secreting a toxin in which formic acid is one recognized constituent, and the other secreting an alkaline [britannica.com]

Some insect bites contain an acid substance resembling formic acid and consequently are relieved by topically applied alkalies, such as ammonia water or baking soda paste. [medical-dictionary.thefreedictionary.com]

Toxic Gastritis

High anion gap metabolic acidosis (HAGMA) is produced due to generation of formic acid and increased production of lactic acid. [lifeinthefastlane.com]

Methanol is metabolized into formaldehyde and formic acid, which can accumulate in the retina causing edema and optic papillitis. [epmonthly.com]

Formic acid is the main toxic metabolite responsible for the retinal, ophthalmic and neural toxicity seen with methanol ingestion. [lifeinthefastlane.com]

Formaldehyde Poisoning

Methanol, formaldehyde, and formic acid levels in the blood of the patient are reported following the ingestion of formaldehyde solution. [jamanetwork.com]

Metabolic (anion gap) acidosis may be caused by formic acid accumulation from metabolism of formaldehyde or methanol. [accessmedicine.mhmedical.com]

It is metabolized to formic acid in liver and blood Route : Ingestion and inhalation Mechanism of action : • Inhalation: burning of eyes, lacrymaton, coughing, constriction [pediatriconcall.com]

Acetone Poisoning

High anion gap metabolic acidosis (HAGMA) is produced due to generation of formic acid and increased production of lactic acid. [lifeinthefastlane.com]

The toxicity with methanol occurs from both the ensuing metabolic acidosis, as well as the formate anion (formic acid) itself. [17] Although the eye is the primary site of [emedicine.medscape.com]

Formic acid is the main toxic metabolite responsible for the retinal, ophthalmic and neural toxicity seen with methanol ingestion. [lifeinthefastlane.com]

Formaldehyde

From Wikidata Jump to navigation Jump to search chemical compound FORMALDEHYDE Formic aldehyde Formaline Fannoform Chlodithane Methylene glycol Formalith Methaldehyde Formalina [wikidata.org]

Oxomethylene Methyl aldehyde Formaldehyde Formalin Formaldehyde solution Oxymethylene Oxomethane Paraformaldehyde edit English formaldehyde chemical compound FORMALDEHYDE Formic [wikidata.org]

Excoriated Acne

If symptomatic (itch, burning, tender, formications), it is important to control symptoms with topical agents (ie, corticosteroids, 5% doxepin cream, 10% amitriptyline cream [dermatologyadvisor.com]