I just read this and wanted to mention my first Yorkie had a collapsed trachea...and he did this on occasion, the blood tinged foam when he coughed really hard. Remember just a small amount of blood looks like much more when combined with saliva/mucous/bile...hope your baby is A-O-K...
__________________ As Ever, Kathy 
Intruducing Bentley  Winston and Spencer: RIP My Sweet Angels |