Makiron Patch Ace
マキロンパッチエース
Topical anti-itch patch (steroid + antihistamine + antiseptic)
Patch
Itching due to insect bites
Active Ingredients (per 100g of plaster (1.25m²))
Dexamethasone acetate 0.025g
Diphenhydramine 1.00g
Isopropylmethylphenol 1.00g
Tocopherol acetate (vitamin E acetate) 0.50g
Inactive Ingredients
Diisopropyl adipate, methacrylate/butylacrylate copolymer, BHT, l-menthol
Instructions for Use
- ✓For children, use only under adult supervision.
| Age | Dose per use | Times per day |
|---|---|---|
| All ages | Apply to affected area | 1–3 times daily |
- ✕Do not use on the following areas:
- Chickenpox, athlete's foot, ringworm, or suppurative areas.
- Around the eyes or mucous membranes.
- Wounds, moist or scratched skin, erosion, eczema, or eruption.
- ✕Do not apply over large areas of the face.
- ✕Do not use long-term.
- ⚠Consult a doctor, pharmacist, or registered salesperson before use if you:
- Are under medical treatment.
- Are pregnant or possibly pregnant.
- Have had allergic reactions to medicines.
- Have a large affected area.
- ✓Stop use and consult a doctor, pharmacist, or registered salesperson if any of the following occur:
- • Skin: rash, redness, itching, or swelling.
- • Affected area: athlete's foot, ringworm, acne, pus, persistent irritation, contact dermatitis, or skin discoloration.
- ✓If symptoms do not improve after 5–6 days, stop use and consult a doctor, pharmacist, or registered salesperson, bringing the outer box with you.
- ✓For external use only. Wipe away sweat or moisture from the affected area before applying. Remove the patch if itching resolves after a few hours of use. Do not use at the same site for a long time.
- ✓Store in a cool place away from direct sunlight. Keep out of reach of children. Do not transfer to another container. Do not use after the expiry date. To preserve quality, store unused patches in the aluminum bag with the opening folded closed.
Additional Information
A semi-transparent, water-resistant and breathable patch for insect bite itch relief. The patch covers the affected area to help prevent scratching. Contains four active ingredients: dexamethasone acetate (anti-inflammatory steroid), diphenhydramine (antihistamine), isopropylmethylphenol (antiseptic), and tocopherol acetate (vitamin E for skin renewal).
Sources & Documents
- Japanese product page
- English PDF
- Japanese PDF
- Last verified: May 30, 2026
Related Medicines
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.