What Is the Biggest Trigger for Psoriasis?

What Is the Biggest Trigger for Psoriasis?

Is psoriasis dangerous? Psoriasis is not just a skin disease; it deeply affects your mental health. Inflammation plays a key role in both psoriasis and mood disorders. When you're stressed, not only does your immune system go into overdrive, but you also release neuropeptides and neurotransmitters that increase skin inflammation and sensitivity. This constant cycle can lead to anxiety and depression, which in turn trigger more flare-ups, creating a loop between your skin and your mind.

Living with psoriasis often feels unpredictable. You may enjoy days or weeks of calm skin, only for red, scaly plaques to return suddenly. For many, this uncertainty adds to the emotional burden of the condition.

Common Triggers for Psoriasis Flare-ups

Many people with psoriasis notice patterns like

Infections: Bacterial or viral infections, especially strep throat and certain skin fungal infections, can spark a flare-up.

Stress: Emotional stress doesn’t just affect your mind; it can also impact your skin. Stress is a well-known trigger, and flare-ups can sometimes add to the emotional strain, creating a challenging cycle.

Skin injury: Scratches, cuts, sunburn, or insect bites can trigger new psoriasis patches at the injury site. This reaction is called the Koebner phenomenon.

Weather: Dry, cold weather tends to dry out your skin and may worsen symptoms. Using a good moisturizer and humidifier can help reduce irritation.

Smoking: Smoking or regular exposure to secondhand smoke can make psoriasis more stubborn and severe.

Alcohol: Drinking heavily can trigger flare-ups and may also make some treatments less effective.

Medications: Certain medicines, such as lithium, beta-blockers, antimalarials, or some high blood pressure treatments, can cause new or worsening patches.

Starting/stopping steroids suddenly: Abruptly discontinuing oral or injected corticosteroids may cause your psoriasis to flare again.

Hormonal changes: Fluctuations in hormones, especially during puberty, pregnancy, or menopause, can sometimes worsen psoriasis. 

 

Trigger for Psoriasis

Classic Risk Factors

Definition

Mechanism of Action

Mechanical stress

Injuries, cuts, friction, or trauma to the skin can cause new psoriasis patches. This is known as the Koebner phenomenon.

Triggers psoriasis by activating LL-37 peptides that stimulate immune cells and create new lesions.

Infection and dysbiosis

Infections caused by bacteria, fungi, or viruses (e.g., Strep, Staph, Candida, Malassezia, EBV, VZV, CMV, HIV).

Overstimulates the immune system and increases inflammation, causing psoriasis flare-ups.

Environment and pollution

Exposure to benzene, carbon monoxide, PM10, PM2.5, and heavy metals like cadmium.

Generates oxidative stress and ROS that damage skin cells and activate inflammatory pathways.

Lifestyle

 

Smoking, drinking alcohol, being overweight or obese.

 

Raises inflammatory cytokines due to habits like smoking, alcohol, and obesity, worsening psoriasis.

Common drugs

Lithium, beta-blockers, anti-malarials, tetracycline antibiotics, ACE inhibitors, and interferons.

Reduces cAMP levels in skin cells, causing rapid cell growth and poor differentiation.

Psychological stress

Excess worry, anxiety, or emotional stress.

Disrupts stress hormones and lowers cortisol, increasing inflammation and triggering psoriasis.

Hormonal and metabolic alterations

Low estrogen & progesterone levels; high free fatty acids (FFAs).

Increases inflammatory cytokines due to hormonal imbalance, leading to flare-ups.

 Psoriasis is an autoimmune condition in which the body's own immune system mistakenly attacks healthy skin cells, resulting in rapid inflammation, itching, and discomfort. Since triggers differ for everyone, knowing and avoiding your personal ones is key to keeping psoriasis under control. Research shows that psoriasis flare-ups can occur for many reasons, but stress stands out as the most powerful and frequent trigger.

How Stress Becomes the Biggest Trigger for Psoriasis 

Studies show that up to 88% of people living with psoriasis say that stressful periods triggered or worsened their symptoms. When stress levels rise, it often leads to noticeable flare-ups and increased discomfort. Experts have found that ongoing stress not only makes managing psoriasis harder but can also lead to more frequent and severe outbreaks over time.

Stress and psoriasis create an endless loop. Experiencing a flare-up can bring feelings of frustration, anxiety, or embarrassment, which then add to emotional stress and may trigger further flares. This explains why learning how to manage stress effectively can make a dramatic difference in both the severity and frequency of flares.

Practical Ways to Manage Stress and Psoriasis Triggers 

Improving resilience and reducing daily stressors can benefit both mental and skin health.

Practical steps include:

Relaxation Techniques: Meditation, deep breathing, yoga, gentle movement, or   even 5 minutes of mindful stillness daily.

Prioritize Sleep: Rest is vital for healing and emotional balance.

Therapeutic Support: Mental health counselling support groups, and talking therapies make the journey less lonely.

Movement and Exercise: Routine activity reduces systemic inflammation and stabilizes mood.

Balanced Routine: Keep a regular schedule to avoid being overwhelmed by last-minute stressors.

Gentle Skincare: Use fragrance-free, barrier-repairing skincare like Xemsis for a calming daily ritual.

Journaling: Track your triggers and symptoms. This helps in anticipating and managing future flares.

Remember, other triggers matter too. Pay attention to how your skin reacts to changes in weather, diet, or products. If you notice a pattern, work with your dermatologist to create a personalized plan that helps you manage and prevent flare-ups effectively.

Final Thoughts

Psoriasis can be unpredictable, but learning to recognize and manage your triggers, especially stress, gives you more control. By nurturing the connection between your mind and skin, you’re not only soothing flare-ups but also supporting your overall wellness. With consistent care, thoughtful support, and skin-protecting solutions from the Xemsis achieving calmer, clearer, and more comfortable skin becomes truly attainable.

References

1.    Potestio, L., Lauletta, G., Tommasino, N., Portarapillo, A., Salsano, A., Battista, T., … Megna, M. (2024). Risk Factors for Psoriasis Flares: A Narrative Review. Psoriasis: Targets and Therapy, 14, 39–50. https://doi.org/10.2147/PTT.S323281

2.    BMJ 2006; 333 doi: https://doi.org/10.1136/bmj.333.7564.380 (Published 17 August 2006)Cite this as: BMJ 2006;333:380

3.    What to know about the relationship between psoriasis and stress
https://www.medicalnewstoday.com/articles/psoriasis-stress

4.    Rousset L, Halioua B. Stress and psoriasis. Int J Dermatol. 2018 Oct;57(10):1165-1172. doi: 10.1111/ijd.14032. Epub 2018 May 4. PMID: 29729012.