5 Signs of Food Poisoning 
You Should Know According to the Center for Disease Control 
and Prevention, approximately 48 million 
people get food poisoning annually. Here are 5 signs 
that Reader's Digest 
suggests looking out for. 1. Sweating This can be an early 
warning sign that things
are about to get a lot worse. 2. Gas According to the Mayo Clinic, gas pain and cramping can indicate that bad bacteria is thriving in your gut. 3. Confusion Listeria can cause your head to feel fuzzy, 
and can take up to two months for symptoms 
to show. You might also get a stiff neck 
or experience general weakness. 4. Dehydration Rais Vohra, MD, via 'Reader's Digest' 5. Fever Fever, accompanied with digestive symptoms, 
can indicate the presence of Listeria or Campylobacter. If your fever lasts longer 
than 48 hours, seek medical attention.