I'm on antibiotics for cellulitis in my leg from a fall that I took, my swelling has come down some and bruise looks better but is still very tender! I also noticed I have a hard lump under the skin that is tender (feels like a bruise) with no discoloration! Is that just the muscle? I took xrays no broken bones just concerned about this lump that I feel, it's not like a pus filled abscess, it's just skin and very tender and hard? Only have 2 days left on my antibiotic?