I Had Sex With My Gf On 22nd Aug It

I had sex with my gf on 22nd aug it was her 4th day of her periods and condom burst during sex and so released sperm inside her she took i-pill after 7-8 Hrs after sex is she get pregnent and after having pill she vomitted after 6-7 Hrs and having severe stomach pain continuously can she take painkillers pls suggest