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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 13, 2024

    Product: Seaweed salad

    Suspected food poisoning. Symptoms: Nausea, Chills, Headache
    Suspected source: I ate seaweed salad for dinner
    Onset: Right away
    Duration: 12 to 24 hours
    Sick: Me
    Additional information: I had dizziness and fainting issues all over | Symptoms: Nausea, Chills, Headache, Dizziness See Less
    469


    Suspected food poisoning. Symptoms: Nausea
    Suspected source: Seaweed salad
    Onset: 4 to 12 hours
    Duration: 4 to 12 hours
    Sick: Me | Symptoms: Nausea See Less
    81


    I consumed two servings of seaweed salad at approx. 5pm last night. Bought from local supermarket. Woke up in early hours of the morning with terrible nausea. I typically do not vomit but this was the closest I have ever been to vomiting from food. I have... See More taken multiple anti-nausea pills but symptoms appear to still be getting worse (nausea, abdominal cramps, headache etc.) | Symptoms: Nausea, Diarrhea, Vomiting, Cramps, Headache See Less
    62


    Suspected food poisoning. Symptoms: Nausea, Vomiting, Headache
    Suspected source: seaweed salad
    Onset: 4 to 12 hours
    Duration: 12 to 24 hours
    Sick: Me
    Additional information: My group shared the other foods, only I ate the seaweed salad. Vomitus consisted mostly of seaweed salad (rest was partially digested... See More foods). | Symptoms: Nausea, Vomiting, Headache See Less
    20


    Suspected food poisoning. Symptoms: Diarrhea, Nausea
    Suspected source: seaweed salad
    Onset: Less than 4 hours
    Duration: 4 to 12 hours
    Sick: Me | Symptoms: Diarrhea, Nausea See Less
    127


    Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Cramps, Headache
    Suspected source: Salmon sashimi or seaweed salad
    Onset: 12 to 24 hours
    Duration: 12 to 24 hours
    Sick: Me
    Additional information: Salmon poke bowl, I had a salmon poke bowl with crabmeat and seaweed salad. I became... See More violently ill. Vomiting and diarrhea for nearly 20 hours, Almost had to go to the emergency room. | Symptoms: Diarrhea, Vomiting, Stomach Pain, Cramps, Headache See Less
    626


    Seaweed salad and vegetarian pad Kee mao, Had a meal at 3:30 pm at the restaurant. Had seaweed salad and vegetable pad Kee Mao. I started having abdominal cramps within an hour and they are getting worse and worse. | Symptoms: Nausea, Cramps See Less
    85


    I just ate an entire 4 oz container of seaweed salad and realized it had worms in it but thought it was just da seaweed bit when it moved I knew. Am I in any danger. I purchased it and it had a sell by date of 9/29 See Less
    97


    Suspected food poisoning. Symptoms: Diarrhea, Nausea, Cramps
    Suspected source: wakame seaweed salad
    Onset: 4 to 12 hours
    Duration: Less than 4 hours
    Sick: Me | Symptoms: Diarrhea, Nausea, Cramps See Less
    14


    Two seaweed salads, Ate two small, packed seaweed salads at dinner time, around 6. My stomach has been roiling and I’ve been retching/vomiting from 10pm until the present (10am). Absolutely miserable experience. I didn’t have anything else for dinner — pretty clear this is from the salads. | Symptoms: Nausea, Vomiting See Less
    184


    Last 30 days