Understanding Rosacea · Chapter 6
Avoidance of Triggers
Almost everyone with rosacea can identify at least one trigger. Understanding your own triggers, without letting avoidance take over your life, is the foundation of a good treatment plan.
What are the most common rosacea triggers?
The most commonly reported triggers are sun and UV exposure, heat (hot weather, baths, exercise), cold and wind, emotional stress, alcohol, spicy food and hot drinks, certain skincare ingredients, some medicines and hormonal changes.
Do triggers cause rosacea?
No. Triggers activate skin that is already sensitised by rosacea; they do not cause the condition in someone who would not otherwise develop it. Avoiding triggers can reduce flares but does not replace treatment.
What sunscreen is best for rosacea?
A broad-spectrum sunscreen with SPF 30 or higher, applied every morning. Mineral sunscreens containing zinc oxide or titanium dioxide are usually better tolerated than chemical filters, which can sting sensitive skin.
How do I find my rosacea triggers?
Keep a simple trigger diary for two to four weeks, noting what you did, ate and drank, the temperature, your mood and any flare. Then test suspected triggers one at a time rather than avoiding everything.
Can medicines trigger rosacea?
Some can, including certain blood pressure medicines such as calcium channel blockers, and high-dose niacin. Steroid creams used on the face can also cause a rosacea-like eruption. Never stop a prescribed medicine without speaking to your doctor.
Key takeaways
- Triggers activate rosacea but do not cause it.
- Daily SPF 30+ sunscreen helps almost everyone.
- A two-to-four-week trigger diary beats any generic list.
- Trigger management complements, never replaces, treatment.
This page summarises Chapter 6 of Understanding Rosacea: Your Complete Guide. The full chapter, with references, is in the free PDF.
Download the free 108-page Rosacea Guide (PDF) →
Written and medically reviewed by Professor Vishal Madan, MBBS (Hons), MD, FRCP, MBA, Consultant Dermatologist, Laser and Dermatological Surgeon (GMC 6036936).
Last reviewed:
This page provides general information about rosacea and is not a substitute for personal medical advice. Please discuss your symptoms and treatment with a qualified healthcare professional.