"Vomiting or urinating may also convince the attacker to leave you alone, " read another.

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She also often made vomiting noises when she saw them.

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There may also be diarrhoea, vomiting and abdominal pain.

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Vomiting, chills, headache and muscle pains also may occur, according to the Mayo Clinic.

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The cold weather is thought to have been responsible for an increase in the number of chest infections requiring hospital treatment and there have also been several outbreaks of the winter vomiting bug norovirus.

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Anyone eating the contaminated prawns can also experience dizziness, lethargy, headache, vomiting, chills, fever and abdominal pain.

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There was also a rise in cases of the winter vomiting bug, norovirus, in the last week of 2012.

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It can cut pain, but it is also addictive and causes headaches, difficulty thinking, vomiting and muscle twitching.

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