"It's just a gravel." "This wet weather is causing him to abscess." "He gets an abscess every winter." "He's been lame from that abscess for too long..."
When is it time to worry about a hoof abscess? When it grows from a sniper site of infection to a battlefield, when a horse does not respond to standard antibiotic treatment, or when it becomes obvious that it's not an abscess, after all.
