

Daiichi Sankyo Loxonin S Pain Relief Medicine
The Loxonin S line of over-the-counter antipyretic analgesics provides fast, effective, and gentle relief from pain and fever.
Both formulations feature loxoprofen sodium hydrate, a clinically proven NSAID that suppresses prostaglandin production to alleviate inflammation, pain, and fever.
- Loxonin S Quick: Formulated with Quick Break Technology for rapid tablet disintegration and faster onset of relief.
- Loxonin S Premium: Enhanced with allylisopropylacetylurea and anhydrous caffeine for greater pain-relief efficacy and mental alertness, while magnesium aluminometasilicate protects the stomach.
Both variants are non-drowsy, easy to swallow, and designed for quick absorption with reduced gastric burden.
Features:
Relieves a wide range of pain and fever symptoms, including:
- Headache, menstrual cramps, toothache, sore throat, back pain, joint pain, neuralgia, muscle pain, shoulder stiffness, earache
- Pain from bruises, fractures, sprains, or injuries
- Reduces fever and chills associated with illness
Active Ingredients
Loxonin S Quick (per tablet)
- Loxoprofen Sodium Hydrate – 68.1 mg (equivalent to 60 mg anhydrous)
- Magnesium Aluminometasilicate – 100 mg (stomach protectant)
- Excipients: Calcium hydrogen phosphate, lactose, croscarmellose sodium, hydroxypropyl cellulose, magnesium stearate
Loxonin S Premium (per 2 tablets)
- Loxoprofen Sodium Hydrate – 68.1 mg (equivalent to 60 mg anhydrous)
- Allylisopropylacetylurea – 60 mg (enhances analgesic efficacy)
- Anhydrous Caffeine – 50 mg (supports pain relief and alertness)
- Magnesium Aluminometasilicate – 100 mg (stomach protection)
- Excipients: Lactose, cellulose, hydroxypropyl cellulose, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, talc, ferric oxide, carnauba wax
Dosage and Administration
| Age | Dose | Frequency | Instructions |
|---|---|---|---|
| Adults (15 years and older) | Quick: 1 tablet / Premium: 2 tablets | Up to 2 times daily (a third dose may be taken if symptoms recur) | Take with water or lukewarm water, avoiding empty stomachs. Maintain at least 4 hours between doses. |
| Under 15 years | — | Do not use | — |
Do not exceed recommended dosage. Do not take continuously for more than 3–5 days without medical advice.
Warnings and Precautions
Do Not Use If:
- You have a history of allergic reaction to this product or other pain relievers.
- You have experienced asthma induced by analgesics or cold medicine.
- You are under 15 years old or within 12 weeks of expected delivery.
- You are being treated for stomach or duodenal ulcers, liver disease, kidney disease, or heart disease.
- You have been diagnosed with anemia, low platelet count, or other blood disorders.
Avoid using with other pain relievers, cold medicines, sedatives, or motion-sickness drugs.
Avoid alcohol before and after use.
Do not drive or operate machinery after taking Loxonin S Premium (may cause drowsiness).
Possible Side Effects
Stop use immediately and consult a doctor if you experience:
- Allergic reactions (rash, swelling, breathing difficulty)
- Digestive issues (abdominal pain, nausea, black/tarry stool, vomiting blood)
-
Severe fatigue, dizziness, or swelling
Rare but serious reactions may include Stevens-Johnson syndrome, liver/kidney impairment, or anaphylaxis.
Storage and Handling
- Store in a cool, dry place away from direct sunlight and humidity.
- Keep out of reach of children.
- Do not transfer contents to another container.
- Do not use past the expiration date.
Product Information
- Type: Non-prescription Antipyretic Analgesic (OTC, Japan)
- Form: Film-coated tablets (Loxonin S Quick / Premium)
- Contents: 12 tablets per package
- Manufacturer: Daiichi Sankyo Healthcare Co., Ltd.
- Category: Non-drowsy NSAID pain & fever relief
Original: $11.21
-70%$11.21
$3.36Product Information
Product Information
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Description
The Loxonin S line of over-the-counter antipyretic analgesics provides fast, effective, and gentle relief from pain and fever.
Both formulations feature loxoprofen sodium hydrate, a clinically proven NSAID that suppresses prostaglandin production to alleviate inflammation, pain, and fever.
- Loxonin S Quick: Formulated with Quick Break Technology for rapid tablet disintegration and faster onset of relief.
- Loxonin S Premium: Enhanced with allylisopropylacetylurea and anhydrous caffeine for greater pain-relief efficacy and mental alertness, while magnesium aluminometasilicate protects the stomach.
Both variants are non-drowsy, easy to swallow, and designed for quick absorption with reduced gastric burden.
Features:
Relieves a wide range of pain and fever symptoms, including:
- Headache, menstrual cramps, toothache, sore throat, back pain, joint pain, neuralgia, muscle pain, shoulder stiffness, earache
- Pain from bruises, fractures, sprains, or injuries
- Reduces fever and chills associated with illness
Active Ingredients
Loxonin S Quick (per tablet)
- Loxoprofen Sodium Hydrate – 68.1 mg (equivalent to 60 mg anhydrous)
- Magnesium Aluminometasilicate – 100 mg (stomach protectant)
- Excipients: Calcium hydrogen phosphate, lactose, croscarmellose sodium, hydroxypropyl cellulose, magnesium stearate
Loxonin S Premium (per 2 tablets)
- Loxoprofen Sodium Hydrate – 68.1 mg (equivalent to 60 mg anhydrous)
- Allylisopropylacetylurea – 60 mg (enhances analgesic efficacy)
- Anhydrous Caffeine – 50 mg (supports pain relief and alertness)
- Magnesium Aluminometasilicate – 100 mg (stomach protection)
- Excipients: Lactose, cellulose, hydroxypropyl cellulose, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, talc, ferric oxide, carnauba wax
Dosage and Administration
| Age | Dose | Frequency | Instructions |
|---|---|---|---|
| Adults (15 years and older) | Quick: 1 tablet / Premium: 2 tablets | Up to 2 times daily (a third dose may be taken if symptoms recur) | Take with water or lukewarm water, avoiding empty stomachs. Maintain at least 4 hours between doses. |
| Under 15 years | — | Do not use | — |
Do not exceed recommended dosage. Do not take continuously for more than 3–5 days without medical advice.
Warnings and Precautions
Do Not Use If:
- You have a history of allergic reaction to this product or other pain relievers.
- You have experienced asthma induced by analgesics or cold medicine.
- You are under 15 years old or within 12 weeks of expected delivery.
- You are being treated for stomach or duodenal ulcers, liver disease, kidney disease, or heart disease.
- You have been diagnosed with anemia, low platelet count, or other blood disorders.
Avoid using with other pain relievers, cold medicines, sedatives, or motion-sickness drugs.
Avoid alcohol before and after use.
Do not drive or operate machinery after taking Loxonin S Premium (may cause drowsiness).
Possible Side Effects
Stop use immediately and consult a doctor if you experience:
- Allergic reactions (rash, swelling, breathing difficulty)
- Digestive issues (abdominal pain, nausea, black/tarry stool, vomiting blood)
-
Severe fatigue, dizziness, or swelling
Rare but serious reactions may include Stevens-Johnson syndrome, liver/kidney impairment, or anaphylaxis.
Storage and Handling
- Store in a cool, dry place away from direct sunlight and humidity.
- Keep out of reach of children.
- Do not transfer contents to another container.
- Do not use past the expiration date.
Product Information
- Type: Non-prescription Antipyretic Analgesic (OTC, Japan)
- Form: Film-coated tablets (Loxonin S Quick / Premium)
- Contents: 12 tablets per package
- Manufacturer: Daiichi Sankyo Healthcare Co., Ltd.
- Category: Non-drowsy NSAID pain & fever relief


















