Funny Taste in Mouth After Operation
Experiencing Metallic Taste After Surgery
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After a surgical procedure, many patients have shared that they experience an altered or metallic taste. This is most likely a temporary result of surgery , or in some severe cases, a permanent side effect of surgery .
This taste disorder is medically termed dysgeusia and is described as a constant metallic, rancid, or bitter taste in the mouth. A metallic taste may be a result of surgery for several reasons, but the use of general anesthetic drugs to perform a surgical procedure is predominant .
What is Surgery?
In general, surgery is a branch of medicine concerned with diseases or medical conditions that require a manual or operative procedure .
In order for the patient to be comfortable during these surgical procedures, doctors will typically put the patient into a general anesthetic state. This is achieved via potent hypnotics and opioid drugs. Surgical procedures can then be performed without sympathetic nerve damage or memory of the surgical procedure.
Some general anesthetic drugs administered for surgical procedures are meant to reverse the normal function s of areas located within the peripheral and central nervous system where memory and pain receptors reside. Generally, t his means they may disrupt the body's normal functions.
And when there is a disruption of the body's homeostatic environment, the body's internal functions may become dysregulated and altered from the anesthetic s administered . This is what may cause an altered, metallic taste.
The Gustatory Complex
The gustatory complex is located in the central nervous system and is responsible for salivary gland production. As well as signaling taste bud receptors from the mouth to the brain and creating taste sensations as we all know as our sense of taste.
In addition, taste stimulating cells ( tastants ) are located on the dorsal, lateral, and anterior portions of the tongue, and are excited through salivary stimulation. When t astants are mixed with saliva, they send sensory signals to the brain within the chemosensory system. These activate one of the 5 taste stimulations which are bitter, sweet, salty, sour, and umami.
Medications Used for Anesthesia
General anesthetic drugs are commonly neuromuscular receptor agonists and/or antagonists . Anticholinergics are commonly used in conjunction with general anesthesia to assist with surgery. Anticholinergic medications are substances that block the action of the neurotransmitter called acetylcholine at nerve synapses in the central and peripheral nervous system. This inhibit s the parasympathetic nervous system by selectively blocking the binding of acetylcholine to its receptor in nerve cells. blocking the binding of acetylcholine to its receptor in nerve cells.
However, anticholinergic medications used temporarily disrupt, and dysregulate the function of the gustatory complex. Any disruptions to the gustatory complex can create metallic taste symptoms as well as dry mouth.
Effects of Tracheal Intubation
Postoperatively, another contributing factor to altered taste and dry mouth is tracheal tube intubation. These tubes are mostly utilized during surgical procedures by the placement of a flexible plastic tube into the trachea. This is to maintain an open airway or serve as a conduit through which to administer certain drugs.
Postoperative tracheal tube intubation may temporarily decrease salivary production, resulting in dry mouth sympt oms. As a result, low salivary production may increase one's risk for altered taste and dry mouth .
When a patient is coming out of the anesthetic induction , they may experience symptoms of altered taste, metallic taste, or complete loss of taste, as well as dry mouth symptoms. This may happen until the central and peripheral nervous systems resume normal function . It is important to know, it may take some time for the body to metabolize and excrete all general anesthetic medication s from the body and return all necessary systems to homeostasis.
Why This Is a Problem
Without proper salivary flow, dry mouth symptoms and altered, metallic, or loss of taste may develop .
Having altered taste or metallic taste, especially after surgery, may significantly impact one's recovery process. This may increase the risk for oral health diseases and infections. Also, this may increase the risk of malnutrition for a patient recovering from surgery , ultimately impacting their state of overall well-being and quality of life.
Complications of Metallic Taste
Some complications of metallic taste are:
- Reduced appetite
- Swollen tonsils
- Bleeding and swollen gums
- Bad breath
- Dry mouth
- Pain while chewing
- Mouth ulcers
- Coated or plaque formation on the tongue
- Itchy or burning tongue
- Swollen tongue
For symptomatic metallic taste relief, use MetaQil . MetaQil is a one-of-a-kind oral rinse to alleviate metallic and altered taste. MetaQil is an innovative mouth rinse designed to provide comfort to those who suffer from taste disorders that cause a persistent sensation of bad taste in the mouth. Learn more about MetaQil here .
It is important to address dry mouth and metallic taste symptoms with your doctor or dentist after you have surgery. This ensures you will receive the best post-operative treatment plan that will be essential to your recovery process, as well as your overall health.
Cited Work:
Honing, M., Martini, C., van Velzen, M., Niesters, M., Dahan, A., & Boon, M. (2020). Cholinergic Chemotransmission and Anesthetic Drug Effects at the Carotid Bodies. Molecules, 25(24), 5974. https://doi.org/10.3390/molecules25245974
14.4A: Cholinergic Neurons and Receptors. (2018, July 21). Medicine LibreTexts. https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Book%3A_Anatomy_and_Physiology_(Boundless)/14%3A_Autonomic_Nervous_System/14.4%3A_Neurotransmitters_and_Receptors/14.4A%3A_Cholinergic_Neurons_and_Receptors
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Important: If you are pregnant or breastfeeding, please consult your physician before using MetaQil. Do not use MetaQil if you are taking any medications that are contraindicated with the product. Please consult with your physician if you have any concerns regarding the use of this product. Keep out of reach of children.
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