Preser Ace Ointment
プリザエース軟膏
Designated Class 2 — Use with special caution
Drug Type
Hemorrhoid treatment (ointment)
Form
Ointment 15 g (tube)
Indication
Relief and disinfection of pain, bleeding, swelling, and itching from hemorrhoids
Active Ingredients (per 100 g)
Hydrocortisone acetate 0.5 g
Tetrahydrozoline hydrochloride 0.05 g
Lidocaine 3 g
Chlorpheniramine maleate 0.2 g
l-Menthol 0.2 g
Allantoin 1 g
Tocopheryl acetate 3 g
Chlorhexidine hydrochloride 0.25 g
Inactive Ingredients
Dimethylpolysiloxane, carbomer, dextrin palmitate, synthetic squalane, medium-chain triglycerides, petrolatum
Instructions for Use
- ✓Apply an appropriate amount to the affected area 1 to 3 times a day. Before use, bathe or clean the affected area with warm water. For best results, apply in the morning after a bowel movement, or at night before bed.
- ✓To open the tube: invert the cap and press the spike firmly against the tip of the tube.
- ✓When giving to children, administer under the supervision of a parent or guardian.
| Age | Dose per use | Times per day |
|---|---|---|
| Adults and children | Appropriate amount | 1 to 3 times a day |
- ✕Do not use this product if you:
- (1) Have ever had an allergic reaction to this product, any of its ingredients, or chlorhexidine.
- (2) Have a pus-forming infection at the affected area.
- ✕Do not use this product for extended periods.
- ✓Seek immediate medical attention if the following serious symptom appears:
- • Shock (anaphylaxis): Skin itching, hives, hoarseness, sneezing, itchy throat, difficulty breathing, palpitations, or clouding of consciousness immediately after use.
- ⚠Consult a doctor, pharmacist, or registered salesperson before use if you:
- (1) Are under the care of a physician.
- (2) Are pregnant or may be pregnant.
- (3) Have ever had an allergic reaction to a medicine.
- ✓Stop use immediately and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if any of the following symptoms appear after using this product, as they may be side effects:
- Skin: Rash, redness, itching, or swelling
- Other: Irritation or worsening infection
- ✓Stop use and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if symptoms do not improve after 10 days.
Sources & Documents
- Japanese product page
- English PDF
- Japanese PDF
- Last verified: May 25, 2026
Related Medicines
Share this page:
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.