This can cause partial or complete paralysis below the spinal opening. Type III is the most serious form of CM, and causes severe neurological defects. Other conditions sometimes associated with CM include hydrocephalus, syringomyelia (a fluid-filled cyst in the spinal cord), and spinal curvature.
Evening primrose oil may increase the risk of some complications of pregnancy. Talk with your health care provider if youâre considering using evening primrose oil during pregnancy. Evening primrose oil may increase bleeding in people who are taking the anticoagulant (blood thinning) medication warfarin (Coumadin).
Side Effects of Evening Primrose Oil. 1  Blood Pressure â Since evening primrose oil is known to lower blood pressure, which is a good thing for heart health, it can also cause hypotension in people who are also taking blood pressure-lowering medication.