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    Seaweed salad, like other fresh produce, could be the source of food poisoning. In 2020, over 3,000 students in Japan fell ill after consuming seaweed salad that was contaminated with E.coli. Symptoms of an E.coli infection start 2-7 days after the consumption, and are characterized by diarrhea and abdominal cramps.

    Last updated: March 20, 2023

    Product: Seaweed salad

    Suspected food poisoning. Symptoms: Nausea
    Suspected source: Seaweed salad
    Onset: 4 to 12 hours
    Duration: 12 to 24 hours
    Sick: Me | Symptoms: Nausea See Less


    Consumed seaweed salad at 1am. Began having symptoms of food poisoning (vomiting, diarrhea, nausea, fever) at 10am the following day. | Symptoms: Nausea, Diarrhea, Vomiting, Fever See Less
    1.9K


    Vomiting, nausea, etc. everything but a fever fortunately for the rest of the night and most of the next day after a poke bowl dinner. A single bowl containing albacore and ahi tuna, brown rice, scallion, cucumber, edamame, crab+seaweed salad, miso ginger soy, furikake, sesame seeds, chopped... See More nori and masago. Night of Feb 23rd. | Symptoms: Nausea, Diarrhea, Vomiting, Fever See Less
    994


    Digested the Dan Dan noodles from Sunday night but the seaweed salad did not make it thru and I’m still nauseous on Wednesday | Symptoms: Nausea, Diarrhea, Vomiting See Less
    10.6K


    Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills
    Suspected source: Seaweed salad
    Onset: 4 to 12 hours
    Duration: Less than 4 hours
    Sick: Me | Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills See Less
    75


    RI
    r.......d
    Suspected food poisoning from Costco seaweed salad in Sudbury Ontario Canada.
    Onset 24 hours after consumption
    Duration: 2 days
    Symptoms: Vomiting, fever, diarrhea
    Reply 1 month ago
    Suspected food poisoning. Symptoms: Nausea, Stomach Pain
    Suspected source: seaweed salad
    Onset: 4 to 12 hours
    Duration: 12 to 24 hours | Symptoms: Nausea, Stomach Pain See Less
    7


    Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain
    Suspected source: seaweed salad
    Onset: 30 mins-1 hour
    Duration: Not sure
    Sick: Me | Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain See Less
    648


    Ate seaweed salad last night, woke up very nauseous and nearly vomiting. Would go back to sleep just to wake up the same way. Could be due to drinking too much coffee. | Symptoms: Nausea, Vomiting See Less
    1.3K


    Azuma Seaweed salad from here. Purchased on 7 November 2022. Best before December 6 2022. After consuming it by 4-5 hours, I started feeling nauseous. The feeling won't go away 24 hours later. | Symptoms: Nausea See Less
    232


    Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain
    Suspected source: Sushi
    Onset: 12 hours
    Duration: 5 hours
    Sick: Not sure
    Additional information: I believe the seaweed salad was the issue because the cucumber was old | Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain See Less
    8.2K


    Last 30 days