High blood pressure (hypertension) often has no noticeable symptoms. However, in some cases, it can cause the following symptoms:

1. Headaches: Persistent or severe headaches, especially in the back of the head or neck.
2. Dizziness or lightheadedness: Feeling faint, weak, or unsteady.
3. Shortness of breath: Difficulty breathing, especially during exertion.
4. Chest pain: Pain or discomfort in the chest, which may radiate to the arm or jaw.
5. Nosebleeds: Frequent or heavy nosebleeds.
6. Blurred vision: Changes in vision, such as blurred or double vision.
7. Fatigue: Feeling tired or exhausted all the time.
8. Anxiety or irritability: Feeling anxious, nervous, or easily agitated.
9. Edema: Swelling in the feet, ankles, or hands.
10. Weakness: Feeling weak or muscle loss.