Your shopping list says “Pabron”, but several yellow boxes look plausible. Gold A, S Gold W and Ace Pro-X are different formulas, not just different pack sizes. This guide focuses on these three tablet products, so you can compare the relevant differences and match the right box.
Match a requested product before considering a substitute.
I’m Irene, a Taiwanese pharmacist working in Japan. If someone asked for Gold A, start by matching that exact name. If you are choosing for your own cold, look at the formula and your circumstances—not just price or the longest product name. These medicines relieve cold symptoms; they are not for preventing illness before a trip.
Three-minute choice: what brings you to this product?
Gold A: match the requested type
Contains acetaminophen for pain/fever and guaifenesin for phlegm, plus cough and antihistamine ingredients. Look for ゴールドA and 錠 rather than any yellow Pabron box.
S Gold W: compare the W formula
Pairs ambroxol with L-carbocisteine, while using acetaminophen for pain/fever. It has no caffeine, but driving is still prohibited after use.
Ace Pro-X: an ibuprofen formula
Uses ibuprofen for pain/fever, with pseudoephedrine and the dual expectorant combination. Ages 15+ only, with more restrictions—not an automatic upgrade.
The labelled cold symptoms overlap substantially. These are formula-based comparison directions, not proof that one is best for you. Do not drive or operate machinery after taking any of the three. A single symptom does not necessarily call for a multi-ingredient cold medicine.
Use the box photo and Japanese name together
パブロンゴールドA〈錠〉
Look for ゴールドA〈錠〉
パブロンSゴールドW錠
Look for SゴールドW錠
パブロンエースPro-X錠
Look for エースPro-X錠
Product photos: Taisho Pharmaceutical. Photos are not shown to scale. Sources are listed at the end.
Find ゴールドA, SゴールドW or エースPro-X on the box. The Ace photo shows a blister pack. Pabron also has granules, other ranges and different pack sizes. The doses here do not apply to every Pabron product. Once the exact type matches, compare tablet count, expiry and packaging.
Why choose differently? The ingredients explain the comparison
| Per adult dose | Gold A: 3 tablets | S Gold W: 2 tablets | Ace Pro-X: 3 tablets |
|---|---|---|---|
| Pain/fever | Acetaminophen 300 mg | Acetaminophen 300 mg | Ibuprofen 200 mg |
| Expectorants | Guaifenesin 60 mg | Ambroxol HCl 15 mg + L-carbocisteine 250 mg | Ambroxol HCl 15 mg + L-carbocisteine 250 mg |
| Other differentiating ingredient | dl-Methylephedrine HCl 20 mg | Neither ingredient shown in adjacent columns | Pseudoephedrine HCl 45 mg |
| Shared ingredients | Dihydrocodeine phosphate 8 mg; chlorpheniramine maleate 2.5 mg; vitamin B₂ 4 mg | Same | Same |
| Caffeine | 25 mg | None | None |
This table compares one labelled dose for ages 15+. All three are taken three times daily; HCl means hydrochloride. Two S Gold W tablets are not inherently weaker than three Gold A tablets. Milligrams of ibuprofen and acetaminophen are not interchangeable measures of strength.
Gold A and S Gold W share the pain/fever ingredient but use different expectorant combinations. Ace Pro-X changes both the pain/fever and nasal-symptom ingredients. A dual-expectorant formula is a useful difference to understand, but does not prove it will work better for every person.
Tablet counts: the age-12 and age-15 boundaries matter
Take three times daily, preferably within 30 minutes after meals, with water or lukewarm water. These are tablet counts per dose, not daily totals.
| Age | Gold A | S Gold W | Ace Pro-X |
|---|---|---|---|
| 15+ | 3 | 2 | 3 |
| 12–14 | 2 | 1 | Do not take |
| Under 12 | Do not take | Do not take | Do not take |
Ages 12–14 need adult supervision when taking Gold A or S Gold W. Do not make Ace Pro-X suitable for a child by reducing it to one tablet, or copy sachet counts from a granule product. A missed dose is not a reason to double the next one.
Before use: check the restrictions, especially for Ace Pro-X
- All three: do not take if you are allergic to the ingredients or have developed asthma after a cold medicine or painkiller. Do not combine with other cold, pain/fever, sedative, cough/expectorant or oral antihistamine products.
- Driving, alcohol and breastfeeding: no driving after use; no alcohol before or after taking them. The labels say not to use while breastfeeding, or to avoid breastfeeding during use.
- Seek advice first: pregnancy, medical treatment, older age, allergy history or chronic illness require checking before use. High fever and difficulty urinating also need advice rather than selection by box alone.
Ace Pro-X has extra do-not-use conditions: open to check
In addition to age under 15 and the allergy/asthma restrictions above, do not use within 12 weeks of the expected delivery date; during treatment for stomach/duodenal ulcers, blood, liver, kidney or heart disease, or hypertension; while receiving zidovudine; with difficulty urinating due to an enlarged prostate; or if diagnosed with hypertension, heart disease, thyroid dysfunction or diabetes. The leaflet also lists other circumstances requiring advice before use.
If symptoms do not improve after 5–6 doses, stop and seek advice. Gold A and S Gold W are not for prolonged continuous use. Do not take Ace Pro-X for more than five days; fever lasting three days or recurring needs assessment. Stop for a rash or other unusual symptoms. Breathing difficulty, facial swelling or altered consciousness needs urgent medical attention.
Keep the useful checks on your phone
Requested name
Save the full name and box photo. Gold A, S Gold W and Ace Pro-X are not substitutes by default.
Form and person
Look for 錠 (tablets), then check age and restrictions. A familiar yellow box is not suitable for everyone.
Pack size and plans
Compare tablet count, expiry and packaging last. Allow time to rest when ill; do not increase the dose to keep up with your itinerary.
For a closer look at the familiar type, see the Pabron Gold A guide. Compare alternatives before choosing one; these are not medicines to combine.
Questions before you buy or use it
Does this cover the entire Pabron range?
No. It compares the tablet versions of Gold A, S Gold W and Ace Pro-X. Other Pabron products and granules have their own directions.
Are two S Gold W tablets weaker than three Gold A tablets?
Tablet counts do not establish strength. Both labelled adult doses contain 300 mg acetaminophen, while their expectorant and other ingredients differ. Follow the dose for the exact product.
Can a 12-year-old take Ace Pro-X?
No. Ace Pro-X is not for anyone under 15. Gold A and S Gold W have doses for ages 12–14, with adult supervision and the usual restrictions.
Can I drive after a caffeine-free version?
No. S Gold W and Ace Pro-X have no caffeine but still contain ingredients that can cause drowsiness or related effects. All three prohibit driving and operating machinery after use.
Is Pabron a general wellness gift for the whole family?
No. These are medicines for relief of cold symptoms, not daily supplements or preventive products. Match the exact requested type, age and restrictions rather than buying only by popularity.
Sources and photo credits
Based on Japanese manufacturer information. English names help you read this guide; match the full Japanese name when shopping. Official photos retain the original packaging artwork. Read the current leaflet supplied with your pack before use.
