Atopic dermatitis in adults in Belgium
In Belgium, atopic dermatitis affects 2 to 5% of adults (after the pediatric form). Adult AD is often more severe than the infant form, with chronic plaques (elbow creases, nape of the neck, hands, face) and a significant impact on quality of life (nocturnal scratching, social shame, cortisol-anxiete-naturel-2026">anxiety).
Adult AD has several specific characteristics:
- Often associated with allergic rhinitis or asthma (atopic triad)
- Stronger relationship with chronic stress (HPA axis → mast cells)
- Link to intestinal dysbiosis (skin-gut axis)
- Sensitivity to dietary endocrine disruptors
Sugar and atopic dermatitis: the mechanisms
1. Th2 axis and IL-4/IL-13: the specific inflammation of AD
AD is dominated by Th2 polarization: IL-4, IL-13 (inhibit filaggrin, worsening the skin barrier), IL-31 (pruritus), TSLP (activation of ILC2 and mast cells). Sugar amplifies Th2 polarization via:
- Insulin resistance → inhibited PPAR-α → favored Th2
- Intestinal dysbiosis → LPS → mast cell activation
- AGE → RAGE → TSLP in keratinocytes
6-gingerol inhibits NF-κB in keratinocytes and mast cells, reducing TSLP and IL-4.
2. Skin-gut axis: the microbiome at the heart
Intestinal dysbiosis (deficiency in Lactobacillus reuteri, Bifidobacterium longum) is strongly associated with adult AD. LPS translocated via intestinal permeability activates circulating basophils and mast cells — amplifying flare-ups. Fructose (sugary drinks) aggravates this dysbiosis. Ginger, a prebiotic, supports Lactobacillus and Bifidobacterium and reduces intestinal permeability (zonulin↓, occludin↑).
3. Staphylococcus aureus and skin: the role of sugar
S. aureus colonizes atopic skin and amplifies flare-ups via superantigens that activate T lymphocytes and keratinocytes. Recent studies show that hyperglycemia increases S. aureus adherence to the skin epithelium (binding to fibronectin receptors which are overexpressed in hyperglycemia). 6-gingerol has documented antibacterial properties against S. aureus.
Comparison of drinks for adults with AD
| Drink | Sugar /100 ml | Impact on adult AD | Th2 / Microbiome |
|---|---|---|---|
| INTI best ginger shot | <4 g | ✅ IL-4↓, NF-κB↓, S. aureus↓ | Th2↓, Lactobacillus↑ |
| GIMBER concentrate | ~35 g | ❌ RAGE↑ → TSLP↑, S. aureus adherence↑ | Dysbiosis↑, Th2↑ |
| Sugary sodas | 10–11 g | ❌ Activated mast cells, flare-ups↑ | Dysbiosis↑ |
| Fruit juices | 9–12 g | ❌ Intestinal permeability↑, LPS↑ | Dysbiosis↑ |
| Plain water | 0 g | ✅ Neutral | Neutral |
❓ FAQ — Adult Atopic Dermatitis and Ginger
Can ginger trigger an allergic reaction in AD?
Ginger is a spice and theoretically allergenic, but ginger allergies are very rare. No documented association between ginger and AD worsening. If you have many food allergies, start with a very small diluted dose.
Does ginger interact with topical corticosteroids or dupilumab?
No documented interaction between ginger and topical corticosteroids or dupilumab (anti-IL-4Rα). The mechanisms are complementary — ginger acts upstream (NF-κB, microbiome) and dupilumab downstream (IL-4/IL-13 receptor).
Should hot drinks be avoided during a flare-up?
Heat can worsen pruritus in AD. INTI diluted in cold or room temperature water is preferable during an active flare-up.
1.19g sugar per 100ml · IL-4↓ · supported skin-gut axis · S. aureus↓
For skin that deserves better than sugar that fuels flare-ups.
→ Discover INTI on inti-drink.com
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To go further:
- Best ginger drink 2026: comparison INTI vs GIMBER vs Fever Tree vs KoRo
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🍊 Discover INTI — Europe's #1 organic ginger shot
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