Allison claimed that her throat was closing and she could not breathe .
On Day 16 , Allison suffered from an allergic reaction and left the House for medical attention ; she returned to the House a few hours later .
Allison claimed that Allison 's throat was closing and she could not breathe .
On Day 16 , Allison suffered from an allergic reaction and left the House for medical attention ; she returned to the House a few hours later .