Throat congestion red with blood, may be viral, bacterial infection or allergen stimulation caused by, generally need to be targeted to eat antiviral drugs, antibiotic drugs or anti-allergy drugs, such as ribavirin, amoxicillin, cefixime, cetirizine hydrochloride and so on. 1. Viral infections: If the throat is currently sore, the symptoms are not obvious, and there are no other serious symptoms, generally do not need to use antiviral drugs, if necessary, oral ribavirin, acyclovir and other antiviral drugs. 2. Bacterial infections: for bacterial infections, the preferred drugs are penicillin or cephalosporin antibiotics, such as amoxicillin, cefixime, cephalosporin and so on. If you are allergic to penicillin or cephalosporin, you can choose macrolide antibiotic drugs, such as azithromycin, roxithromycin and so on. 3. Allergen stimulation: Oral anti-allergy drugs can be taken for treatment, such as cetirizine hydrochloride, loratadine and so on. Throat congestion red with blood, such as the need for medication for treatment, it is recommended that the choice of drugs under the guidance of a doctor, not blindly self-medication.