How to Prevent Rosacea Flares: A San Diego Dermatologist's Guide to Triggers, Treatments & Long-Term Control

Rosacea is one of the most misunderstood skin conditions I treat at SOM Aesthetics. It is often mistaken for acne, sensitive skin, or sunburn - and treated incorrectly as a result. If you have persistent facial redness, visible blood vessels, or recurring bumps and pustules on the central face, this article is for you.

What Causes Rosacea?

Rosacea is a chronic inflammatory vascular condition - meaning it involves both immune dysregulation and abnormal blood vessel reactivity. The exact cause is still being researched, but genetics, an overreactive innate immune system, and the skin microbiome all play roles. It cannot be cured, but it can absolutely be controlled.

What Are the Most Common Rosacea Triggers?

Every rosacea patient has a unique trigger profile. The most common ones I see in my San Diego practice:

• Sun exposure - the single most universal trigger
• Heat - hot showers, saunas, hot weather
• Alcohol, especially red wine
• Spicy foods and hot beverages
• Exercise (heat + flushing)
• Emotional stress
• Topical skincare products with fragrance, alcohol, or harsh actives

What Are the Best Treatments for Rosacea in 2026?

• Topical metronidazole, azelaic acid, or ivermectin cream - reduce inflammation and visible bumps
• Low-dose doxycycline (40mg, anti-inflammatory dose) - effective for papulopustular rosacea without causing antibiotic resistance
• Brimonidine or oxymetazoline gel - temporarily reduce facial redness by constricting blood vessels
• Vascular laser (IPL or BBL HERO) - targets visible blood vessels and diffuse redness. Highly effective for erythematotelangiectatic rosacea. Available at our Encinitas clinic.

Daily Habits That Prevent Rosacea Flares

• Broad-spectrum SPF 50+ sunscreen - every single day, even in winter
• Mineral sunscreens (zinc oxide or titanium dioxide) tend to be better tolerated than chemical filters
• Gentle, fragrance-free cleanser - no scrubbing
• Cool rinses rather than hot water
• A trigger journal for the first 4 weeks - identifying your personal triggers is the single most powerful thing you can do

Frequently Asked Questions

Q: Is rosacea permanent?
A: Rosacea is chronic but entirely manageable. Most patients achieve significant control with the right combination of trigger avoidance, skincare, and treatment.

Q: Does rosacea get worse with age?
A: Without treatment, yes. With proper management, most patients stabilize and even improve.

Q: Can laser treatment cure rosacea?
A: IPL or BBL HERO can dramatically reduce visible blood vessels and redness, but rosacea is not cured. Maintenance sessions are typically needed annually.

Q: What skincare ingredients should rosacea patients avoid?
A: Retinoids (initially), AHAs, benzoyl peroxide, alcohol, and fragrance. Niacinamide and azelaic acid are generally well-tolerated.

Book a rosacea consultation at SOM Aesthetics in Encinitas →