Colgen Kowa Rhinitis Film Alpha
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Antihistamine and decongestant combination for rhinitis (oral dissolving film)
Oral Dissolving Film
Relief of symptoms caused by acute rhinitis, allergic rhinitis, or sinusitis: sneezing, runny nose, nasal congestion, watery eyes, sore throat, and head heaviness.
Active Ingredients (per film (per dose))
d-Chlorpheniramine maleate 2.0mg
Belladonna total alkaloids 0.2mg
Phenylephrine hydrochloride 6.0mg
Inactive Ingredients
Hypromellose, reduced maltose syrup, titanium oxide, l-menthol, hydroxypropylcellulose, saccharin sodium, erythritol, sodium bisulfite, fragrance, Blue No. 1
Instructions for Use
- βDissolves quickly in the mouth β can be taken without water. Take at least 4 hours apart.
| Age | Dose per use | Times per day |
|---|---|---|
| Adults (15 years and older) | 1 film | 3 times daily (at least 4 hours apart) |
| Under 15 years | Do not use | β |
- βTo take: Open the aluminum pouch from the notch and slowly peel it apart, then remove only the film. Do not swallow the film while still in the aluminum pouch β this can cause injury to the esophagus. Place the film on your tongue and let it dissolve in saliva. If it sticks to the throat, wash it down with water; if your mouth is too dry, take a sip of water first.
- βStop use and consult a doctor, pharmacist, or registered salesperson, bringing this package insert with you, if symptoms do not improve after 5β6 days.
- βDo not operate vehicles or machinery after taking β may cause drowsiness, blurred vision, or abnormal sensitivity to light.
- βDo not use long-term.
- βDo not use in children under 15.
- βDo not use together with other rhinitis oral medicines, antihistamine-containing oral medicines (cold medicines, antitussives, motion sickness medicines, allergy medicines), or GI antispasmodics.
- β Consult a doctor, pharmacist, or registered salesperson before use if you:
- (1) Are under medical treatment.
- (2) Are pregnant or possibly pregnant.
- (3) Are elderly.
- (4) Have had allergic reactions to medicines.
- (5) Have high fever, difficulty urinating, or dry mouth (so dry that the film won't stay on the tongue).
- (6) Have been diagnosed with glaucoma, diabetes, thyroid disorder, heart disease, or high blood pressure.
- βStop use immediately and consult a doctor, pharmacist, or registered salesperson, bringing this package insert with you, if any of the following occur:
- Skin: rash, redness, itching
- GI: nausea, vomiting, loss of appetite
- CNS: headache
- Urinary: difficulty urinating
- Other: facial flushing, abnormal sensitivity to light
- βSeek immediate medical attention if you experience any of the following serious side effects:
- Aplastic anemia: bruising, nosebleeds, gum bleeding, fever, pale skin or mucous membranes, fatigue, palpitations, shortness of breath, dizziness, or blood in urine
- Agranulocytosis: sudden high fever, chills, sore throat
- βStop use and consult a doctor, pharmacist, or registered salesperson, bringing this package insert with you, if any of the following persist or worsen: dry mouth, drowsiness, constipation, blurred vision
Sources & Documents
- Japanese product page
- Japanese PDF
- Last verified: May 27, 2026
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For informational purposes only. Always consult a doctor or pharmacist before taking any medication.