Sir I have black mucus in 1times/day about 1 month,but I see red blood with mucus today after drinking tea at morning I had tonsil more than 10 years,but 1.5 month ago I feel some pain as usual in oral and it cure 2-3 days,then i guess black mucus comes,but i had not cough.when i go to doctor they saw there is no tonsil and give Levofloxacin tablet, My query is it serious or what should i do?