he has forbidden you only carrion blood and the flesh of swine also any consecrated in the name of any but god. but if anyone is forced by dire necessity not desiring it or exceeding his immediate need god is forgiving and merciful towards him.
إنما حرم عليكم الميتة والدم ولحم الخنزير وما أهل لغير الله به فمن اضطر غير باغ ولا عاد فإن الله غفور رحيم