Foods

• Liver
• Yogurt
• Sour cream
• Cheese (except cottage cheese)
• Chocolate
• Vanilla
• Soy sauce
• Yeast extract (bread is ok)
• Vinegar
• Eggplant
• Avocados
• Spinach
• Broad-leaf beans and pods, including Lima, navy or pea
• Citrus fruits, including tomatoes, Bananas, red plums, raisins or figs
• Spicy and thermally hot foods
• Foods high in histamine

Beverages

• Alcohol, especially red wine, beer, bourbon, gin, vodka or champagne
• Hot drinks, including hot cider, hot chocolate, coffee or tea

Emotional influences

• Stress
• Anxiety

Physical exertion

• Exercise
• “Lift and load” jobs

Temperature-related

• Saunas
• Hot baths
• Simple overheating
• Excessively warm environments

Weather

• Sun
• Strong winds
• Cold
• Humidity

Drugs

• Vasodilators
• Topical steroids

Medical conditions

• Frequent flushing
• Menopause
• Chronic cough
• Caffeine withdrawal syndrome

Skin care products

• Some cosmetics and hair sprays, especially those containing alcohol, witch hazel or fragrances
• Hydro-alcoholic or acetone substances
• Any substance that causes redness or stinging