G4 for Oral Use
内服用ジーフォー
Class 2 — Available at drug stores
Drug Type
Hemorrhoid treatment (oral tablets)
Form
Tablets 24 tablets
Indication
Hemorrhoids and hemorrhoidal bleeding
Active Ingredients (per 4 tablets (1 daily dose))
Carbazochrome 6 mg
Vitamin B2 12 mg
Tocopherol acetate 100 mg
Horse chestnut extract 120 mg
Otsujito with jujube extract 750 mg
Inactive Ingredients
Silicon dioxide, aluminum silicate, CMC calcium, cellulose, reduced maltose syrup, hydroxypropyl cellulose, lactose, magnesium aluminometasilicate, magnesium stearate, hypromellose, talc, titanium oxide
Instructions for Use
| Age | Dose per use | Times per day |
|---|---|---|
| Adults (15 years and older) | 2 tablets | 2 times a day |
| Under 15 years | Do not take | — |
- ✓If you are breastfeeding, do not take this product, or avoid breastfeeding while taking it.
- ⚠Consult a doctor, pharmacist, or registered salesperson before taking this product 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.
- (4) Have diarrhea.
- ✓Stop taking immediately and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if any of the following symptoms appear after taking this product, as they may be side effects:
- Skin: Rash, redness, or itching
- Gastrointestinal: Loss of appetite, nausea, vomiting, or abdominal pain
- ✓Stop taking and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if the following symptom persists or worsens:
- Diarrhea
- ✓Stop taking and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if symptoms do not improve after 1 month.
Additional Information
This product contains vitamin B2, which may cause urine to turn yellow.
Sources & Documents
- Japanese product page
- English PDF
- Japanese PDF
- Last verified: May 25, 2026
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For informational purposes only. Always consult a doctor or pharmacist before taking any medication.