In Merles there are two colors of merles a blue merle which is a blue-gray color that is carried over through black and a red merle which is a dilute chocolate in the doodle breed, for some reason when produced in the doodle the red comes through as chocolate and really is a chocolate merle by color.
Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more. Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling. Tension headaches, caused by muscle tension, are marked by pain, pressure and tightness around the head. Ocular migraine usually refers to a type of migraine that can cause temporary blindness in one eye.
Headaches. About half of people with fibromyalgia develop headaches, according to a study in the journal Clinical Rheumatology. Many women get migrainesâa throbbing type of headache that can cause nausea, vomiting, and flashes of light. Why people with fibromyalgia are more likely to get headaches isnât clear. But experts think fibromyalgia and headaches may stem from the imbalance of chemicals like serotonin and epinephrine in the brain.