Here are some foods that high blood pressure patients should avoid: 1. **Processed meats**: Bacon, hot dogs, and other processed meats are high in sodium and preservatives. 2. **Canned foods with preservatives**: Canned soups, vegetables, and fruits may contain added preservatives that can increase blood pressure. 3. **High-sodium foods**: Pickles, potato chips, and other salty snacks can be high in sodium, which can worsen high blood pressure. 4. **Fried foods**: Fried chicken strips, French fries, and other fried foods are often high in unhealthy fats and salt. 5. **Fatty meats**: Red meat, especially processed red meat like sausage and bacon, can be high in saturated fat and sodium. 6. **Vegetable oil and margarine**: These oils and spreads contain trans fat, which can increase the risk of heart disease and high blood pressure. 7. **Table salt**: Using table salt instead of salt-free alternatives can increase sodium intake. 8. **Grapefruit**: Grapefruit is high in potassium, which can interact with certain medications used to treat high blood pressure. It's not necessary to completely eliminate these foods from your diet, but it's a good idea to consume them in moderation and balance them with other nutrient-dense foods.