ポララミンシロップ0.04%
Chlorpheniramine (Chlor-Trimeton)
Chlorpheniramine maleate · ポララミン
Chlorpheniramine is the sedating antihistamine inside most Japanese cold remedies (Pabron, Benza Block), which is why they cause drowsiness. As a single agent it is prescription-only (Polaramine) and used for itching and allergic reactions.
At a glance
- Prescription status
- Prescription and OTC
- Over the counter
- Designated Class 2
- Bringing it into Japan
- ✓ 1 month Rx / 2 months OTC
- Names abroad
- Chlor-Trimeton · Piriton
Over the counter
Found in almost every Japanese OTC cold and nasal allergy remedy, usually with other ingredients; plain tablets are prescription (Polaramine).
Finding it in a Japanese drugstore
- Look for this on the package
- クロルフェニラミン（ポララミン）
- Chlorpheniramine maleate
- Common product names
- パブロンベンザブロックストナリニ
- Category printed on the package
- Designated Class 2
- Sold at any drugstore or pharmacy, and online. Ask staff if you are unsure; this category carries extra cautions.
Show this page to the pharmacist or staff. Prices and packaging vary by store, so look for the Japanese ingredient name.
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Prescription products in Japan
17 productsProducts on Japan's national drug price list. Prescription only: a clinic visit is needed, and pharmacies may substitute a generic with the same ingredient.
| Brand names | ポララミン |
|---|---|
| Generic | 9 generic products |
| Dosage forms | Oral |
| Strengths (oral) | 2mg · 4mg |
| Official price (per tablet or unit) | ¥0.8 – ¥29.7 Official NHI drug price. Patients with Japanese insurance pay 10–30%; visitors without it pay the full price plus consultation fees. |
Product names are shown in Japanese, exactly as printed on the package and the prescription. Show this page at the pharmacy.
ポララミンドライシロップ0.2%
ポララミン散1%
ポララミン錠2mg
クロルフェニラミンマレイン酸塩
クロルフェニラミンマレイン酸塩散 1%
クロルフェニラミンマレイン酸塩錠 2mg
クロルフェニラミンマレイン酸塩錠 4mg
d−クロルフェニラミンマレイン酸塩シロップ0.04%
3 manufacturers: ツルハラ · トーワ · 日新
アレルギン散1%
クロルフェニラミンマレイン酸塩散1%
2 manufacturers: ホエイ · 日医工
ネオレスタミンコーワ散1%
ビスミラー散1%
d−クロルフェニラミンマレイン酸塩錠2mg
NIG
All listed products (17) · Drug price list as of 2026-08-12
| ポララミンシロップ0.04% | Oral · ¥1.4/mL |
|---|---|
| ポララミンドライシロップ0.2% | Oral · ¥7.5/g |
| ポララミン散1% | Oral · ¥12.7/g |
| ポララミン錠2mg | Oral · ¥6.1/tablet |
| d−クロルフェニラミンマレイン酸塩シロップ0.04%「ツルハラ」 · Generic | Oral · ¥0.8/mL |
| d−クロルフェニラミンマレイン酸塩シロップ0.04%「トーワ」 · Generic | Oral · ¥0.8/mL |
| d−クロルフェニラミンマレイン酸塩シロップ0.04%「日新」 · Generic | Oral · ¥0.8/mL |
| d−クロルフェニラミンマレイン酸塩錠2mg「NIG」 · Generic | Oral · ¥6.1/tablet |
| アレルギン散1% · Generic | Oral · ¥8/g |
| クロルフェニラミンマレイン酸塩 | Oral · ¥29.7/g |
| クロルフェニラミンマレイン酸塩散 1% | Oral · ¥8/g |
| クロルフェニラミンマレイン酸塩散1%「ホエイ」 · Generic | Oral · ¥8/g |
| クロルフェニラミンマレイン酸塩散1%「日医工」 · Generic | Oral · ¥8/g |
| クロルフェニラミンマレイン酸塩錠 2mg | Oral · ¥8.7/tablet |
| クロルフェニラミンマレイン酸塩錠 4mg | Oral · ¥8.7/tablet |
| ネオレスタミンコーワ散1% · Generic | Oral · ¥8/g |
| ビスミラー散1% · Generic | Oral · ¥8/g |
Bringing it into Japan
Up to a 1-month supply of prescription medicine, or 2 months of OTC medicine, without any paperwork. For more, apply for a Yakkan Shoumei (import confirmation) before travel.
Getting it prescribed in Japan
Any clinic can prescribe it after a consultation. Bring the original packaging or a medication list. Use the hospital finder to find clinics with English-speaking staff or an international patient office.
Names abroad
| US | Chlor-Trimeton |
|---|---|
| UK | Piriton |
| Korea | 페니라민 |
| China | 扑尔敏 |
| Taiwan | 氯苯那敏 |
Sources
- Health Insurance Claims Review & Reimbursement Services — Drug master (NHI drug price list) shinryohoshu.mhlw.go.jp — 2026-08-12
- Ministry of Health, Labour and Welfare — Bringing medicines for personal use into Japan mhlw.go.jp
This page describes how a medicine is regulated and sold in Japan. It is not medical advice and does not cover dosing for your situation; follow your doctor's and pharmacist's instructions.