
Sushi is a popular dish, but it can carry some risks. While it is impossible to tell whether sushi is contaminated with disease-causing microbes, eating raw or undercooked fish always carries some risk of food poisoning. Food poisoning can cause abdominal pain, nausea, vomiting, headaches, fever, and chills. In addition, sushi made with large fish such as tuna, salmon, and tilefish can contain high levels of mercury, which can build up in the body and cause severe joint and muscle pain, as well as psychological problems. Furthermore, seafood allergies can cause joint pain, and some types of seafood commonly used in sushi, such as crab, lobster, shrimp, and clams, are known to cause allergies.
| Characteristics | Values |
|---|---|
| Can sushi cause severe joint and muscle pain? | Yes, in rare cases. |
| Reason | Mercury poisoning, Anisakiasis, Salmonella infection, Seafood allergy, Bacillus cereus infection, Trichinella spiralis infection, Vibrio parahaemolyticus infection, Scombroid food poisoning |
| Symptoms | Diarrhea, nausea, vomiting, abdominal pain, fever, chills, headaches, joint pain, muscle weakness, numbness, tingling, tremors, irritability, memory problems, gait disorder, back and neck pain, mental-psychological problems, swelling, skin rash, difficulty breathing, loss of consciousness, abdominal cramps, weight loss, neurological symptoms, hallucinations, anxiety, coughing, facial swelling, abdominal bleeding, bowel obstruction, peritonitis, inflammation of the inner wall of the abdomen, dehydration, blood in stool |
| Treatment | Antihistamines, pain relievers, epinephrine injection, endoscopy, surgery, staying well-hydrated, rest |
| Prevention | Freeze fish to -4 degrees or flash freeze to -31 degrees or freeze to -20 degrees for a minimum of 72 hours, cook seafood to an internal temperature of at least 145° F (63° C), choose smaller fish, ask the sushi restaurant about seafood sourcing, avoid fish farm-raised or caught near reefs |
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What You'll Learn

Seafood allergies
While there is no direct evidence that sushi causes severe joint and muscle pain, there are a few ways in which consuming sushi may lead to these symptoms. Firstly, sushi made with raw or undercooked fish always carries some risk of food poisoning, which can result in abdominal pain, nausea, and vomiting. In addition, certain types of parasites and bacteria found in raw fish, such as anisakiasis, can cause severe abdominal pain and nausea within hours of consumption. If not expelled through coughing or vomiting, these parasites can burrow into the intestinal walls, leading to inflammation and localized immune responses.
Another possible explanation for joint and muscle pain associated with sushi consumption is seafood allergies. Seafood allergies are triggered by an exaggerated immune system reaction to proteins found in various types of seafood. While joint pain is not a common symptom, it may develop in individuals with pre-existing joint conditions. Swelling and inflammation are typical symptoms of seafood allergies, and if they occur in the joints, they can lead to pain due to increased pressure.
Furthermore, certain types of fish commonly used in sushi, such as tuna, salmon, and tile fish, are known to accumulate high levels of mercury. Mercury poisoning can cause muscle function impairment and psychological issues, resulting in back and neck pain.
It is important to note that the risk of serious illness from consuming sushi is generally low, and most cases of food poisoning or mild allergic reactions resolve on their own within a few days. However, individuals with high-risk factors or known seafood allergies should exercise caution when consuming raw or undercooked seafood.
To diagnose a seafood allergy, individuals should see a doctor who can refer them for skin or blood tests and provide guidance on interpreting the results. Currently, there is no cure for seafood allergies, and the best way to avoid symptoms is to identify and completely avoid the specific seafood triggers. For individuals with known allergies, doctors may prescribe an adrenaline auto-injector, such as an EpiPen or Anapen, to be carried at all times in case of accidental exposure.
In summary, while sushi may not directly cause severe joint and muscle pain, it can lead to food poisoning, parasitic infections, or allergic reactions, which may result in a range of symptoms, including pain and discomfort. It is always advisable to seek medical advice if you suspect any food-related illness or allergy to ensure prompt and appropriate treatment.
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Parasites and bacteria
Sushi is a popular dish, but it can carry some risks. The consumption of raw or undercooked fish always carries some risk of bacterial or parasitic infection. Parasites such as anisakiasis (herring worm) and trichinella spiralis are commonly found in raw fish. These parasites can cause abdominal pain, nausea, vomiting, and even allergic reactions such as anaphylaxis. In some cases, the parasites may need to be surgically removed.
Bacteria like vibrio, listeria, and salmonella can also be present in sushi, leading to food poisoning with symptoms including diarrhea, nausea, vomiting, and fever. While most cases of food poisoning resolve on their own, severe cases may require medical attention.
In addition, sushi made with certain types of fish, such as tuna, salmon, and tilefish, can contain high levels of mercury. Mercury poisoning can lead to muscle function impairment and psychological issues.
Furthermore, seafood allergies can cause joint pain in individuals with pre-existing joint conditions. This is due to the release of histamine, which causes swelling and inflammation in soft tissues, including joints.
To minimize the risks associated with sushi consumption, it is essential to ensure that the fish is fresh and properly handled. Freezing fish at extremely low temperatures can help kill parasites. Additionally, opting for cooked sushi varieties or vegetarian options can reduce the chances of bacterial or parasitic infections.
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Mercury poisoning
Mercury is a neurotoxin and a substance that is poisonous to nerve tissue. Mercury poisoning is a type of metal poisoning caused by exposure to mercury. Mercury in any form is toxic, and it can be absorbed through inhalation, ingestion, injection, or skin absorption. The health effects of mercury exposure depend on the form, dose, method, and duration of exposure. Most exposure is from eating fish, amalgam-based dental fillings, or workplace exposure. Fish higher up in the food chain generally have higher levels of mercury, a process known as biomagnification. Sushi made from fish at the top of the food chain, such as tuna, salmon, and tilefish, can cause mercury poisoning.
The symptoms of mercury poisoning include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, hearing, or seeing. High-level exposure to methylmercury is known as Minamata disease, and it can cause pink disease in children, characterized by peeling skin. Long-term complications of mercury poisoning may include kidney problems and decreased cognitive function. Mercury irreversibly inhibits selenium-dependent enzymes and may inactivate S-adenosyl methionine, leading to issues with catecholamine catabolism. This can result in profuse sweating, tachycardia, increased salivation, and hypertension.
In severe cases of mercury poisoning, individuals may experience respiratory failure and even death. Prevention of mercury poisoning involves maintaining a low-mercury diet, removing mercury from medical devices, properly disposing of mercury, and reducing mercury emissions. In cases of acute inorganic mercury salt poisoning, chelation therapy with dimercaptosuccinic acid (DMSA) or dimercaptopropane sulfonate (DMPS) can improve outcomes if administered promptly after exposure.
While sushi has been associated with mercury poisoning, it is important to note that other factors, such as workplace exposure and dental fillings, can also contribute to mercury exposure. Additionally, sushi can cause food poisoning due to parasites or bacteria, and certain individuals may experience allergic reactions to seafood, including joint pain. However, the risk of serious illness from sushi is generally low, and proper handling and cooking techniques can minimize the risk of foodborne illnesses.
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Foodborne illnesses
While there is no direct evidence that sushi causes severe joint and muscle pain, there are a few possible reasons why consuming sushi may lead to these symptoms. Firstly, some people may have a seafood allergy, which can cause an immune system reaction leading to joint pain and swelling. Secondly, sushi made with certain types of fish, such as tuna, salmon, and tile fish, can contain high levels of mercury, which can accumulate in the body and cause muscle pain, neck and back pain, and psychological issues. Lastly, sushi can be a source of foodborne illnesses, caused by parasites or bacteria, which may result in severe abdominal pain.
- Parasites: Sushi made with raw or undercooked fish can be contaminated with parasites such as anisakiasis (Anisakis simplex or herring worm) or Diphyllobothrium. Ingesting these parasites can lead to severe abdominal pain, nausea, vomiting, and in the case of anisakiasis, the worms can burrow into the intestines, causing inflammation.
- Bacteria: Various types of bacteria, including Vibrio parahaemolyticus, Listeria monocytogenes, and Staphylococcus aureus, can be found in raw or undercooked fish and shellfish. Infection with these bacteria can cause symptoms such as diarrhea, abdominal cramps, nausea, vomiting, fever, and chills. Bacillus cereus is another bacterium associated with sushi, particularly when contaminated rice is consumed along with other foods. It can cause diarrhea and vomiting, with symptoms typically resolving within 24 hours.
- Salmonella: Salmonella enterica is a type of bacterium commonly associated with foodborne illnesses from consuming raw or undercooked foods, including sushi. Salmonella infection can cause diarrhea, fever, abdominal pain, nausea, vomiting, and headache. It can become serious, especially in vulnerable individuals such as infants, the elderly, or those with weakened immune systems.
- Food Handling and Preparation: Improper food handling and preparation can increase the risk of foodborne illnesses in sushi. It is crucial to practice good hygiene, keep raw and cooked foods separate, sanitize surfaces and equipment, and ensure that seafood is specifically labeled as "sushi-grade." Rice used in sushi should be properly refrigerated, acidified, or kept hot to prevent bacterial growth.
- Vulnerable Populations: Individuals with weakened immune systems, including young children, the elderly, pregnant women, and those with underlying illnesses, are at a higher risk of developing foodborne illnesses from consuming sushi. It is recommended that these individuals limit or avoid eating raw or undercooked sushi altogether.
- Symptoms and Treatment: Foodborne illnesses from sushi typically cause symptoms such as vomiting, diarrhea, abdominal pain, nausea, fever, and abdominal cramps. Most cases of food poisoning resolve on their own within a few days without medical treatment, but it is important to stay hydrated and get plenty of rest during recovery. However, if severe symptoms persist, such as prolonged vomiting, blood in the stool, or symptoms of dehydration, it is important to seek medical attention.
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Salmonella infection
Sushi is not commonly associated with causing severe joint and muscle pain. However, there are some instances where consuming sushi may lead to such issues.
Firstly, a Salmonella infection can cause joint pain in rare cases. Salmonella is a common bacterial infection that affects the intestinal tract and is typically contracted by consuming contaminated food or water. While most people associate Salmonella with diarrhoea, fever, and abdominal cramps, in rare instances, the infection can spread beyond the intestines to other parts of the body, including the joints. This can result in reactive arthritis, a condition that can last for months or years and may even lead to chronic arthritis.
Salmonella bacteria can contaminate sushi if the seafood is harvested from contaminated water or if the sushi is prepared by someone who hasn't properly washed their hands after handling raw meat or poultry. It's important to note that Salmonella infections usually clear up on their own within a few days, but severe cases or those affecting infants, young children, older adults, or individuals with weakened immune systems may require medical attention.
Another possible explanation for severe joint and muscle pain after consuming sushi is mercury poisoning. Mercury is a heavy metal that can accumulate in fish, particularly those at the top of the food chain, such as tuna, salmon, and tilefish. When consumed in high amounts, methylmercury can alter enzyme function and affect muscle function, potentially resulting in muscle pain. Dr. Susana Duncan reported cases of patients with high mercury levels and neck and back pain who consumed sushi frequently.
Additionally, seafood allergies may also be a factor. While joint pain is not a common symptom, it can occur in individuals with pre-existing joint conditions. An allergic reaction can cause the release of histamine, leading to swelling and inflammation in the soft tissue of the joints, resulting in pain.
In summary, while severe joint and muscle pain after consuming sushi is not a common occurrence, it can be indicative of a Salmonella infection, mercury poisoning, or, less commonly, a seafood allergy. If you experience persistent or severe symptoms, it is important to seek medical advice.
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Frequently asked questions
Yes, it can. Sushi containing large fish, such as tuna, yellowtail, bluefin, sea bass and lobster, can contain high levels of mercury, which can lead to muscle weakness and joint pain. Sushi can also cause food poisoning from parasites such as anisakiasis, which can result in joint and muscle pain. Seafood allergies can also cause joint pain, though this is not a common symptom.
Symptoms of mercury poisoning include "memory problems, muscle weakness, numbness and tingling, tremors and irritability". Mercury poisoning can also cause back and neck pain.
To reduce the risk of illness, choose smaller fish when ordering sushi. Ask the restaurant where they source their seafood and avoid fish that has been farm-raised or caught near reefs.











































