<prompt> Acute tonsillitis is caused byH. influenzaBeta-hemolytic streptococcusStaphylococcus aureusPneumococcus  <response>: B. i.e. Beta hemolytic streptococcus 240 - DhingraACUTE TONSILLITIS Haemolytic streptococcus is the most commonly infecting organism others causes may be - staphylococcus pneumococci or H. influenzae Penicillin is the drug of choice Complications include - chronic tonsillitis, peritonsillar abscess, Parapharyngeal abscess cervical abscess,Acute otitis media, Rheumatic fever, acute glomerulonephritis, SABE Tonsil is supplied by1. Tonsillar branch offacial artery2. Ascending pharyngeal artery3. Ascending palatine4. Dorsal lingual5. Descending palatineTREATMENTS Bedrest, giving plenty of fluids, analgesics Penicilline is the drug of choice Erythromycin and ampicilline may be needed for resistant cases 