Loss of taste, loss of smell, and no appetite for food
Jan 18, 2023
Source: Cainiu Health
Dr. Xu Gang
Introduction
Loss of taste and smell, along with decreased appetite, are often caused by conditions such as viral infections, inflammation, or intracranial tumors, and it is recommended to seek medical attention at a hospital as early as possible. When viruses invade the olfactory nerve ganglia or taste nerves inside the body, they can block the sensory centers. As a result, when odor molecules bind to olfactory and taste mucosa and generate nerve impulses, these signals cannot be properly transmitted to the corresponding sensory centers.
Loss of taste and smell, along with reduced appetite, is often caused by conditions such as viral infections, inflammation, or brain tumors. It is recommended to seek medical attention at a hospital as early as possible and undergo appropriate examinations followed by active treatment.
1. Viral Infection
When viruses invade the olfactory ganglia or taste nerves within the body, they may block sensory centers. Even when odor molecules bind to olfactory and taste mucosa and generate nerve impulses, these signals cannot be properly transmitted to the corresponding sensory centers. As a result, patients experience loss of taste and smell and consequently lose interest in food. This condition often resolves on its own, but if necessary, antiviral medications may be used under medical guidance.
2. Inflammation
Inflammatory conditions in the body may trigger sinusitis. Sinusitis causes swelling of nasal mucosa, preventing the nasal cavity from receiving external air containing odor molecules, leading to obstructive reduction in olfactory function. Additionally, sinusitis may irritate the olfactory nerves, reducing their sensitivity, ultimately resulting in loss of taste and smell and decreased appetite. Treatment may include oral administration of azithromycin tablets, cephalosporin capsules, or Xiangju capsules under a doctor’s supervision, combined with topical use of nasal sprays such as triamcinolone acetonide nasal spray or mometasone furoate nasal spray.
3. Brain Tumor
Brain tumors may invade the olfactory and taste nerves. If left untreated for a long time, this can lead to permanent loss of smell and taste. Patients should promptly go to the hospital for a brain CT scan. If a benign brain tumor is detected, surgical removal via craniotomy may be performed. For malignant tumors, radiotherapy and chemotherapy may be required as adjunctive treatments to control localized cancer progression.
Besides the above causes, conditions such as brain tumors, gastroenteritis, and excessive fatigue may also lead to these symptoms.
