Anosmia: Causes & Reasons

Possible Causes for Anosmia

[…] commonly reported symptoms of long COVID are fatigue and memory problems.[8][9] Many other symptoms have also been reported, including malaise, headaches, shortness of breath, anosmia [en.wikipedia.org]

Headaches Joint pain Needle pains in arms and legs Diarrhoea Bouts of vomiting Loss of, or changes in, sense of taste Loss of, or changes in, sense of smell (parosmia[33] or anosmia [en.wikipedia.org]

Nasal Polyp

They present with nasal obstruction, anosmia, rhinorrhoea, post nasal drip, and less commonly facial pain. [ncbi.nlm.nih.gov]

/anosmia or one major and two of the following minor factors, headache. [ncbi.nlm.nih.gov]

[…] rhinosinusitis is diagnosed by the presence of two or more of the following factors facial congestion/fullness, nasal obstruction, nasal discharge or discolored post nasal drainage, hyposmia [ncbi.nlm.nih.gov]

Fracture of the Cribriform Plate

As part of our anosmia project, we will develop educational material on anosmia and other smell disorders to distribute to physicians. [monell.org]

Complete agenesis of the olfactory tract results in congenital anosmia. [medlink.com]

Frontal lobe tumors may compress the olfactory bulb and/or tracts and cause anosmia rarely. [en.wikiversity.org]

Kallmann Syndrome

Anosmia accompanied by pubertal delay should alert doctors to the potential of a case of Kallmann syndrome. [kallmannsyndrome.wordpress.com]

[…] working version of the IFT88 gene into defective cells in the nose, which restored the cilia and allowed a sense of smell. [35] [36] See also [ edit ] Phantosmia Hyperosmia Hyposmia [en.wikipedia.org]

For Step1, all you need to know: X-linked, anosmia, tertiary hypogonadism (decreased GnRH); failure of cell migration. [forums.studentdoctor.net]

Hypogonadotropic Hypogonadism

Neuroendocrinology: PDF Only Abstract Kallmann's syndrome is a form of idiopathic hypogonadotropic hypogonadism (IHH) associated with hyposmia or anosmia. [journals.lww.com]

612370 DUSP6 173.3 1 0.99 Hypogonadotropic hypogonadism 19 with or without anosmia, 615269 FEZF1 171.3 0.99 0.99 Hypogonadotropic hypogonadism 22 with or without anosmia [qgenomics.com]

Hypogonadism with anosmia Hypogonadism, anosmia Hypogonadotropic hypogonadism Hypogonadotropic hypogonadism due to follicle-stimulating hormone deficiency Hypogonadotropic [icd9data.com]

Olfactory Groove Meningioma

Anosmia and headaches are considered to be the primary signs, but they are often misdiagnosed as sinusitis, migraines or neuralgia. [symptoma.com]

Anosmia is thought to be among the first symptoms, even though patients often present with headaches or visual problems. [jnnp.bmj.com]

The patient had right-sided anosmia. [ncbi.nlm.nih.gov]

Foster-Kennedy Syndrome

[…] changes: optic atrophy in the ipsilateral eye disc edema in the contralateral eye central scotoma (loss of vision in the middle of the visual fields) in the ipsilateral eye anosmia [en.wikipedia.org]

Type your tag names separated by a space and hit enter Abstract Tumors of the olfactory groove may cause unilateral optic atrophy with contralateral papilledema and anosmia [unboundmedicine.com]

Headache and anosmia are also often present. [heraldopenaccess.us]

Frontal Lobe Neoplasm

Loss of the sense of smell (anosmia) is another important sign that must include frontal lobe tumors in the differential diagnosis, particularly in the presence of behavioral [symptoma.com]

Headache Visual changes Nausea Vomiting Mental changes Lethargy Behavior changes Seizures Hemiparesis, hemiplegia Incoordination Ataxia Anosmia (inability to smell) Papilledema [quizlet.com]

[…] gaze, called Parinaud syndrome, may occur with pineal tumors Tumors of the occipital lobe specifically may produce homonymous hemianopia or partial visual field deficits Anosmia [emedicine.medscape.com]

Atrophic Rhinitis

Atrophic rhinitis is a disease which manifests itself mainly by anosmia due to dryness and atrophy of the nasal mucosa. [ncbi.nlm.nih.gov]

Synonyms: • OZAENA • MERCIFUL ANOSMIA • DRY RHINITIS 6. ETIOLOGICAL TYPES •PRIMARY ATROPHIC RHINITIS •SECONDARY ATROPHIC RHINITIS 7. [de.slideshare.net]

Actually, the orthonasal psychophysical testing showed that four patients out of nine had anosmia, three out of nine had hyposmia and two out of nine were normosmic. [ncbi.nlm.nih.gov]

Chronic Sinusitis

BACKGROUND: Chronic sinusitis and nasal polyps with subsequent nasal blocking, anosmia, and relapsing infections are frequent in the rhinological practice. [ncbi.nlm.nih.gov]

/anosmia or one major and two of the following minor factors, headache. [ncbi.nlm.nih.gov]

Patients may present with symptoms of sinusitis such as nasal obstruction, nasal discharge, facial pain, headache, halitosis, anosmia, etc. [radiopaedia.org]

Refsum Disease

Besides tapetoretinal degeneration, additional symptoms are anosmia, skeletal malformations, chronic polyneuropathy, cerebellar ataxia, sensorineural hearing loss, ichthyosis [ncbi.nlm.nih.gov]

Abstract Refsum disease is a peroxisomal disorder characterized by adult-onset retinitis pigmentosa, anosmia, sensory neuropathy, ataxia, and an accumulation of phytanic acid [ncbi.nlm.nih.gov]

A rare autosomal recessive disorder in which an enzyme deficiency causes accumulation of phytanic acid in tissues, leading to retinitis pigmentosa, anosmia, and often ataxia [medical-dictionary.thefreedictionary.com]

Basilar Skull Fracture

Posttraumatic anosmia in craniofacial trauma. J Craniomaxillofac Trauma. 1997; 3(1):8–15. Miller P, Fabian T, Bee T, et al. [emra.org]

Anterior Fossa Fracture - anosmia, epistaxis, rhinorrhea, subconjunctival hemorrhage, periorbital hemorrage (raccoon eyes, visual disturbances, altered eye movement, ptosis [lhsc.on.ca]

Anosmia. [brainmind.com]

Chronic Rhinitis

Four of eight patients with anosmia subjectively improved whereas the other four patients felt unchanged. [ncbi.nlm.nih.gov]

Clinical features : Commonly seen in females and starts around puberty. Foul smell from the nose. Marked anosmia (merciful anosmia) Nasal obstruction Epistaxis when the [slideshare.net]

 Turbinal mucosa is Headache thick, does not pit on Heaviness of head pressure, little Transient anosmia. shrinkage with vasoconstrictor drugs due to underlying fibrosis [slideshare.net]

Hypogonadotropic Hypogonadism Type 18

Anosmia or hyposmia is related to the absence or hypoplasia of the olfactory bulbs and tracts. [uniprot.org]

5 with or without anosmia,612370 FGF8 Hypogonadotropic hypogonadism 6 with or without anosmia, 612702 GNRHR Hypogonadotropic hypogonadism 7 with or without anosmia, 138850 [gsdseq.ir]

SNP ID Clin Chr 03 pos Sequence Context AA Info Type rs145221454 Pathogenic, Hypogonadotropic hypogonadism 18 with or without anosmia (HH18) [MIM:615267] 57,098,300(+) CGGAC [genecards.org]

Purulent Rhinitis

[…] mucous membrane, with resultant nasal congestion, rhinorrhea, and variable associated symptoms depending on etiology (eg, itching, sneezing, watery or purulent rhinorrhea, anosmia [msdmanuals.com]

[…] or anosmia Headache Fever Halitosis Fatigue Dental pain Cough Ear pain, pressure, fullness Reprinted from Otolaryngology-Head and Neck Surgery, Vol 117, Donald C. [clevelandclinicmeded.com]

Inhalation of Cadmium Fumes

[…] consequences of cadmium exposure are: anemia, yellow discoloration of the teeth, rhinitis, occasional ulceration of the nasal septum, damage to the olfactory nerve, and anosmia [digitalfire.com]

Similar to zinc, long term exposure to cadmium fumes can cause life long anosmia. Inside cells, cadmium ions act as a catalytic hydrogen peroxide generator. [en.wikipedia.org]

Other patients lose their sense of smell (anosmia). Pathogenesis: In the 1950s and 1960s industrial exposure to cadmium was high. [medicaljournal.blogspot.com]

Meningioma

In contrast, symptoms persisted in >60% of patients with anosmia, sensory changes, or frontal, temporal, or cerebellar symptoms. [ncbi.nlm.nih.gov]

Additional features may include headache, seizures, gradual personality changes (apathy and dementia), anosmia, impaired vision, exophthalmos, hearing loss, ataxia, dysmetria [orpha.net]

Vasomotor Rhinitis

One patient who had good relief from allergic rhinitis developed anosmia after this treatment and some patients experienced transient sneezing and rhinorrhoea after the application [ncbi.nlm.nih.gov]

Acute Sinusitis

Sneezing, nasal congestion, rhinorrhea, and post-nasal drip Hyposmia / anosmia Occasionally, acute otitis media (earache) Other manifestations of URTI such as pharyngitis [amboss.com]

Chronic sinusitis is defined as a patient having two or more of the symptoms of nasal obstruction, rhinorrhoea, facial pain or headache or anosmia for longer than three months [nps.org.au]

[…] or anosmia Headache Fever Halitosis Fatigue Dental pain Cough Ear pain, pressure, fullness Reprinted from Otolaryngology-Head and Neck Surgery, Vol 117, Donald C. [clevelandclinicmeded.com]

Upper Respiratory Infection

- Hyposmia/anosmia. - Facial/dental pain. - Headache. [slideshare.net]

Some studies suggest loss of the sense of smell (anosmia) associated with the use of this over the counter product. [medicinenet.com]

Brain Neoplasm

Location - Olfactory Groove and sella (bony space where the pituitary gland is situated) Common Symptoms - Loss of smell (anosmia), subtle personality changes, mild difficulty [uclahealth.org]

Herpes Simplex Encephalitis

Short term memory impairment (70%), anosmia (65%), and dysphasia (41%) were the most common signs. [jnnp.bmj.com]

Although HSV may reach the brain by spreading along the olfactory nerves, 26 anosmia has not been commonly reported after herpes simplex encephalitis. [jnnp.bmj.com]

Anosmia was found in two thirds of the evaluable surviving patients, although many of these people were unaware of the deficit. [jnnp.bmj.com]

Lethal Midline Granuloma

There was no history of epistaxis, anosmia, post nasal drip, oral bleed or cough. Right sided cervical and submandibular lymphadenopathy was observed. [ncbi.nlm.nih.gov]

Cadmium Poisoning

Anosmia and yellowing of teeth have been reported. [atsdr.cdc.gov]

Similar to zinc, long term exposure to cadmium fumes can cause life long anosmia. Inside cells, cadmium ions act as a catalytic hydrogen peroxide generator. [en.wikipedia.org]

PMID: 17405690 Anosmia Anosmia is the technical name for not being able to smell things - “an inability to perceive odours”. Cadmium can cause anosmia. [allaboutheaven.org]

Sellar Tumor with Suprasellar Extension

Cerebrospinal fluid rhinorrhea or anosmia can occasionally occur, especially if excessive retraction of the frontal lobe is indicated. 19 Schmidek and Sweet Operative Neurosurgical [clinicalgate.com]

Anosmia and hyponosmia is a frequent and under recognized minor complication. [thamburaj.com]

An undue superior dissection can cause anosmia (44, 92) and can injure the cribriform plate and cause a CSF leak(54). [pituitary.org]

Chronic Hypertrophic Rhinitis

Ethmoid Sinusitis

When she continued to complain of progressive headaches, right-sided epiphora, and anosmia, limited computed tomography (CT) of the paranasal sinuses was obtained (figure [go.galegroup.com]

[…] or anosmia Headache Fever Halitosis Fatigue Dental pain Cough Ear pain, pressure, fullness Reprinted from Otolaryngology-Head and Neck Surgery, Vol 117, Donald C. [clevelandclinicmeded.com]

[…] with the Diagnosis of Chronic Sinusitis Facial pain or pressure Facial congestion or fullness Nasal obstruction or blockage Nasal discharge, purulence, or postnasal drip Hyposmia [clevelandclinicmeded.com]

Allergic Rhinitis

Symptoms associated with this condition include pruritus of the nose or palate, rhinorrhea, sneezing, postnasal drip, nasal congestion, anosmia, headache, tearing, eye swelling [symptoma.com]

Signs and Symptoms History Signs and symptoms of allergic rhinitis include the following: Sneezing Itching: Nose, eyes, ears, palate Rhinorrhea Postnasal drip Congestion Anosmia [emedicine.com]

Traumatic Brain Injury

We then provide our recommendation for an orbit magnetic resonance imaging (MRI) to evaluate the inferior frontal lobes and olfactory bulbs in patients with unexplained anosmia [ncbi.nlm.nih.gov]

[…] nystagmus) Intolerance of light (photophobia) Decreased or loss of hearing Ringing in the ears (tinnitus) Increased sensitivity to sounds Loss or diminished sense of smell (anosmia [northeastern.edu]

Agraphia – the inability to express thoughts in writing Alexia – the inability to read Amnesia – lack of memory about events occurring during a particular period of time Anosmia [aans.org]

COVID-19

So anosmia alone does not mean you have COVID-19. [health.harvard.edu]

"Anosmia, in particular, has been seen in patients ultimately testing positive for the coronavirus with no other symptoms," the statement says. [edition.cnn.com]

[…] diarrhea, nasal congestion (<10%) palpitations, chest tightness 50 Anecdotal reports from ENT specialists in the UK 79 suggest that COVID-19 sufferers have high rates of anosmia [radiopaedia.org]