Contac EX
新コンタックかぜEX持続性
Designated Class 2 — Use with special caution
Abuse-Prevention Designated · 指定濫用防止医薬品
Drug Type
Multi-symptom cold relief (ibuprofen-based)
Form
Capsules 24 capsules
Indication
Relief of cold symptoms: sore throat, fever, runny nose, nasal congestion, sneezing, cough, phlegm, chills, headache, joint pain, and muscle pain
Active Ingredients (per 4 capsules)
Ibuprofen 400 mg
Anhydrous caffeine 75 mg
Isopropamide iodide 5 mg
d-Chlorpheniramine maleate 3.5 mg
Dextromethorphan hydrobromide hydrate 48 mg
dl-Methylephedrine hydrochloride 60 mg
Inactive Ingredients
D-mannitol, cellulose, carmellose calcium, hydroxypropylcellulose, yellow #5, ethyl acrylate/methyl methacrylate copolymer, talc, hypromellose, polyvinyl alcohol/acrylic acid/methyl methacrylate copolymer, silicon dioxide, gelatin, sodium lauryl sulfate, corn starch
Instructions for Use
- ✓Take within 30 minutes after meals with water or lukewarm water.
| Age | Dose per use | Times per day |
|---|---|---|
| Adults (15 years and older) | 2 capsules | 2 times a day (morning and evening) |
| Under 15 years | Do not use | — |
- ✕Do not use this product if:
- (1) You have ever had an allergic reaction to this product or any of its ingredients.
- (2) You have ever experienced asthma after taking this product, another cold medicine, or a pain reliever/fever reducer.
- (3) The person is under 15 years of age.
- (4) You are within 12 weeks of your expected delivery date.
- ✕Do not use any of the following medicines while taking this product: other cold medicines, pain relievers/fever reducers, sedatives, cough and phlegm medicines, or oral medicines containing antihistamines (such as medicines for rhinitis, motion sickness, or allergies), or stomach cramp medicines.
- ✕Do not drive or operate machinery after taking this product (drowsiness, blurred vision, or abnormal sensitivity to light may occur).
- ✕Do not drink alcohol before or after taking this product.
- ✕Do not take this product for more than 5 days.
- ✕Do not take more than the recommended dose.
- ✓Seek immediate medical attention if any of the following serious symptoms appear:
- • Shock (anaphylaxis): Itching of skin, hives, hoarseness, sneezing, itchy throat, difficulty breathing, palpitations, or clouding of consciousness immediately after use.
- • Stevens-Johnson syndrome / toxic epidermal necrolysis: High fever, redness of eyes, eye discharge, sores on lips, sore throat, or widespread rash/redness on skin that persists or rapidly worsens.
- • Liver disorder: Fever, itching, rash, jaundice (yellowing of the skin or whites of the eyes), dark urine, general fatigue, or loss of appetite.
- • Kidney disorder: Fever, rash, decreased urine output, swelling throughout the body, general fatigue, joint pain, or diarrhea.
- • Aseptic meningitis: Severe headache with stiff neck, fever, nausea, or vomiting. (This symptom has been reported more frequently in patients being treated for systemic lupus erythematosus or mixed connective tissue disease.)
- • Myocardial infarction: Squeezing chest pain, difficulty breathing, or cold sweats.
- • Cerebrovascular disorder (such as stroke): Decreased or loss of consciousness, weakness or inability to move one side of the body, headache, vomiting, dizziness, difficulty speaking, or inability to find words.
- • Interstitial pneumonia: Shortness of breath with climbing stairs or slight exertion, dry cough, fever, or other symptoms that appear suddenly or persist.
- • Asthma: Wheezing or whistling breath sounds, or difficulty breathing.
- • Aplastic anemia: Bruising, nosebleed, bleeding gums, fever, pale skin or mucous membranes, fatigue, palpitations, shortness of breath, feeling faint or unsteady, or blood in urine.
- • Agranulocytosis: Sudden high fever, chills, or sore throat.
- ⚠Consult a doctor, pharmacist, or registered salesperson before use if you:
- (1) Are under the care of a physician or dentist.
- (2) Are pregnant or may be pregnant.
- (3) Are breastfeeding.
- (4) Are elderly.
- (5) Have ever had an allergic reaction to a medicine.
- (6) Have any of the following symptoms: high fever, or difficulty urinating.
- (7) Have been diagnosed with: thyroid disease, diabetes, heart disease, high blood pressure, liver disease, kidney disease, glaucoma, systemic lupus erythematosus (SLE), or mixed connective tissue disease (MCTD).
- (8) Have a history of gastric or duodenal ulcer, ulcerative colitis, or Crohn's disease.
- ✓Stop use 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, itching, or bruising
- Gastrointestinal: Nausea/vomiting, loss of appetite, stomach pain, stomach discomfort, mouth sores, heartburn, bloating, gastrointestinal bleeding, abdominal pain, diarrhea, or bloody stool
- Nervous system: Dizziness, headache
- Cardiovascular: Palpitations
- Respiratory: Shortness of breath, difficulty breathing
- Urinary: Difficulty urinating
- Other: Ringing in the ears, blurred vision, swelling, facial flushing, abnormal sensitivity to light, nosebleed, bleeding gums, difficulty stopping bleeding, bleeding, back pain, abnormally low body temperature, or general fatigue
- ✓Stop use and consult a doctor, pharmacist, or registered salesperson if the following symptoms persist or worsen: constipation, dry mouth, or drowsiness.
- ✓Stop use and consult a doctor, pharmacist, or registered salesperson — bringing this package insert with you — if symptoms do not improve after 3 to 4 doses, especially if fever persists for 3 or more days or recurs.
Abuse-Prevention Designated Medicine 指定濫用防止医薬品
- Purchase is limited to 1 unit per person per transaction, both in-store and online
- A pharmacist or registered salesperson must confirm appropriate use before the sale is completed
- Additional restrictions apply for buyers under 18
- Do not exceed the prescribed dose — taking more than directed may cause serious adverse effects
Sources & Documents
- Japanese product page
- Japanese PDF
- Last verified: May 24, 2026
Related Medicines
Share this page:
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.