But dig a little deeper and it seems that these creatures might be the unsuspected cause of a host of medical conditions, including itchy eyes, dry eyes and facial rashes and spots. That’s why dry eyes can be another impact of mite overgrowth. But people who are plagued by rosacea or dry eyes, for instance, may treat the symptoms without seeking help for the problem’s root cause. A pharmacist in Cardiff, Diana Senior-Fletcher, has recently proposed they may also cause conditions such as rhinitis, when people have a blocked or runny nose with no obvious cause, and asthma. Your next readSenior-Fletcher recently published a series of cases of people who had cured themselves of conditions such as dry eyes and rhinitis, in the journal, Frontiers in Allergy.