Can Undercooked Meat Cause Parasites? Symptoms and Solutions - Internal Medicine

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Tapeworm inquiry.?


Hello, I would like to ask if accidentally consuming undercooked meat during a barbecue can easily lead to the presence of parasites in the body? If so, what symptoms might occur? What should be done? Thank you!

AA, 10~19 year old female. Ask Date: 2013/11/19

Dr. Liao Zhongxin reply Internal Medicine


Dear readers:
1.
Referring to an online message: "Raw Meat Can Be Deadly: A Wake-Up Call for Japan's Raw Food Culture." Date: May 19, 2011 | URL: http://tw.aboluowang.com.
Recently, a collective food poisoning incident occurred at barbecue restaurants in Toyama and Fukui Prefectures in Japan, caused by the presence of Enterohemorrhagic Escherichia coli (EHEC) strain O111 on raw meat, resulting in four fatalities.
This incident has also impacted Japan's raw meat consumption culture.
Since raw beef is not subjected to heat treatment, it is susceptible to infection from Enterohemorrhagic E.
coli that resides in the intestines of animals.
The Japanese Ministry of Health, Labour and Welfare detected E.
coli O111 in the intestines of patients.
Historically, most E.
coli poisoning incidents in Japan have been attributed to strain O157, with few cases resulting in death.
According to the Ministry's data, there were over ten thousand cases of Enterohemorrhagic E.
coli poisoning in 1996, but since then, the annual cases have decreased to only ten to several hundred.
There was only one reported fatal case of E.
coli O111 infection in the year 2000.

2.
Consuming raw meat can lead to not only abdominal pain, vomiting, or diarrhea but also increases the risk of parasitic, bacterial, or viral infections.
If you experience any discomfort, please consult a hospital for diagnosis and treatment.
Thank you!

Reply Date: 2013/11/19

More Info


Undercooked meat can indeed pose a risk for parasitic infections, depending on the type of meat consumed and the specific parasites associated with it. Common sources of parasites in undercooked meat include pork, beef, and fish. For instance, undercooked pork can harbor Trichinella spiralis, which causes trichinosis, while undercooked beef can be a source of Taenia saginata, the beef tapeworm. Fish, particularly raw or undercooked fish, can carry parasites like Anisakis, which can lead to anisakiasis.

When it comes to symptoms, they can vary widely depending on the type of parasite involved. For example:
1. Trichinosis: Symptoms may include abdominal pain, diarrhea, fever, and muscle pain. These symptoms can appear anywhere from a few days to several weeks after consuming contaminated meat.

2. Tapeworm infections: Symptoms may include abdominal discomfort, changes in appetite, and weight loss. Some individuals may not experience any symptoms at all.

3. Anisakiasis: This can cause severe abdominal pain, nausea, vomiting, and diarrhea shortly after eating contaminated fish.

If you suspect that you have consumed undercooked meat and are experiencing any of these symptoms, it is crucial to seek medical attention. A healthcare provider can perform tests to identify any parasitic infections and prescribe appropriate treatment, which may include antiparasitic medications.

In terms of preventive measures, it is essential to ensure that all meat is cooked to safe temperatures. The USDA recommends cooking pork to an internal temperature of 145°F (63°C) followed by a three-minute rest time, and ground meats should be cooked to at least 160°F (71°C). Beef should be cooked to a minimum internal temperature of 145°F (63°C) for steaks and roasts, while ground beef should reach 160°F (71°C). Fish should be cooked to an internal temperature of 145°F (63°C) as well.

If you are concerned about potential exposure to parasites, it is advisable to maintain a balanced diet, stay hydrated, and practice good food safety habits, such as washing hands and surfaces after handling raw meat, and avoiding cross-contamination with other foods. If symptoms develop, do not hesitate to consult a healthcare professional for further evaluation and management.
In summary, while undercooked meat can pose a risk for parasitic infections, being aware of the symptoms and taking preventive measures can significantly reduce the likelihood of infection. Always prioritize food safety to protect your health.

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