Question: what health problems do shih tzus have?
Answer: Proptosis. Another eye-related disorder, this occurs when the eyeball actually dislodges from the socket and the eyelid shuts behind it. ... 
Progressive Retinal Atrophy (PRA) ... 
Hip Dysplasia. ... 
Allergies. ... 
Ear Infections. ... 
Collapsing Trachea. ... 
Intervertebral Disk Disease. ... 
Patellar Luxation.