Doctors categorize Chiari malformation into three types, depending on the anatomy of the brain tissue that is displaced into the spinal canal, and whether developmental abnormalities of the brain or spine are present. Chiari malformation type I develops as the skull and brain are growing.
Evening primrose oil is LIKELY SAFE for most people when used for up to a year. It can sometimes cause mild side effects including upset stomach, nausea, diarrhea, and headache. Pregnancy and breast-feeding: Taking evening primrose oil is POSSIBLY UNSAFE during pregnancy.
Therefore it must be ingested from something external like EPO. The dose that is usually suggested for Evening Primrose Oil is between 3 and 6 grams of EPO making sure the dose has 270 to 540 mg of gamma-linolenic acid (GLA), although there has not been any real standardization of dosages and the FDA does not regulate herbs like Evening Primrose.