High cholesterol doesn’t have symptoms, or warning signs, in itself but it can increase the risk of developing conditions that do, such as angina, stroke, or heart attack. Common symptoms in these cases would include: Stroke - Sudden dizziness - Loss of balance and/or coordination - Eyelid and mouth drooping on one side of the face - Paralysis and/or numbness, especially on one side of the body - Confusion - Slurring words - Sudden severe headache Heart attack - Tightness, squeezing, pain, or ache in the chest or arms - Difficulty breathing - Anxiety - Dizziness - Nausea, indigestion, or heartburn - Excessive fatigue