文法是否有误?Family First aid for food poisoning Once food poisoni

文法是否有误?
Family First aid for food poisoning
Once food poisoning happened,the best way is to see a doctor right away,but if it is impossible to do that,you can deal with it take following measures:
Vomit:If the food was ate within one to two hours,you can take a way of vomit,put 20g salt into 200g water,after cooling drink it out; If no use,you can try it again,so as to vomit.
Catharsis:If the patient ate the foods before 2 hours ago,and it looks fine,in such case,you can take some cathartics,in order to make the poisoning foods could be discharged as soon as possible.
Detoxifcation:In case of food poisoning of eating alterative fishes、shrimps、crabs and so on,you can take 100ml.vinegar into 200ml.water,drink it out after dilution.as if eating alterative beverage or food preservative,the best way of first aid is to fill - drinking fresh milk or other beverage containing albuminoid.