Table of Contents

• Causes of Nasal Congestion
• Recommended Products by Cause
• Ingredients and Effects
• Differences in Formulation
• Points for Choosing
• Product Introductions for Improving Nasal Congestion by Cause
• List of Recommended Nasal Congestion Improvement Products

Causes of Nasal Congestion

Cause Name	Description
Cold or Flu	Nasal congestion occurs due to inflammation of the nasal mucosa caused by colds or viral infections.
Allergic Rhinitis	Nasal congestion is caused by swelling of the nasal cavity due to allergic reactions to pollen, dust, or pet hair.
Sinusitis (Chronic Sinus Infection)	When inflammation of the sinuses becomes chronic, mucus accumulates and causes nasal congestion.

Recommended Products by Cause

Over-the-counter medications effective for nasal congestion caused by allergic rhinitis

Recommended Product	Product Image	Formulation	Main Ingredients
funnel Arugado quick chewable		Tablet	Mepyramine, Phenylephrine Hydrochloride, Belladonna Alkaloids, Anhydrous Caffeine
Asada Ame Kids Rhinitis S (Soda Flavor)		Drop	d-Chlorpheniramine Maleate, Phenylephrine Hydrochloride, Belladonna Alkaloids
Korgen Kowa Rhinitis Gel Capsule α		Capsule	d-Chlorpheniramine Maleate, Belladonna Alkaloids, dl-Methylephedrine Hydrochloride, Phenylephrine Hydrochloride, Anhydrous Caffeine
Allegra FX		Tablet	Fexofenadine Hydrochloride
Nazar Spray Pump		Nasal Spray	Naphazoline Hydrochloride, Chlorpheniramine Maleate, Benzalkonium Chloride
Oral Dan Rhinitis Medicine		Liquid	d-Chlorpheniramine Maleate, Pseudoephedrine Hydrochloride, Belladonna Alkaloids, Anhydrous Caffeine

Over-the-counter medications effective for nasal congestion caused by colds or flu

Recommended Product	Product Image	Formulation	Main Ingredients
Taisho Pharmaceutical Pabron Select N		Tablet	Pseudoephedrine Hydrochloride, Isopropamide Iodide, d-Chlorpheniramine Maleate, Dipotassium Glycyrrhizinate, Ibuprofen, L-Carbocisteine, Dihydrocodeine Phosphate
Pabron Gold A		Tablet	Guaifenesin, Dihydrocodeine Phosphate, dl-Methylephedrine Hydrochloride, Acetaminophen, Chlorpheniramine Maleate, Anhydrous Caffeine, Riboflavin (Vitamin B2)
New Contac Comprehensive Cold Medicine Ace		Capsule	Acetaminophen, Ethenzamide, Chlorpheniramine Maleate, dl-Methylephedrine Hydrochloride, Anhydrous Caffeine
Designated 2 Drugs Cold-Child Cold Syrup Relax		Liquid	Acetaminophen, Chlorpheniramine Maleate, dl-Methylephedrine Hydrochloride

Over-the-counter medications effective for nasal congestion caused by sinusitis (chronic sinus infection)

Recommended Product	Product Image	Formulation	Main Ingredients
Kobayashi Pharmaceutical Chikunainb Herbal Remedy for Rhinitis		Tablet	Magnolia Flower, Fennel, Baikal Skullcap, Gardenia, Cimicifuga, Ophiopogon, Gypsum, Loquat Leaf
Rohto Pharmaceutical Arugado Rhinitis Cool Spray A		Nasal Spray	Tetrahydrozoline Hydrochloride, Chlorpheniramine Maleate, Benzethonium Chloride
Tsumura Kampo Kudzu Decoction with Ligusticum and Magnolia Extract Granules		Granules	Kudzu Root, Chinese Date, Ephedra, Licorice, Cinnamon, Peony, Magnolia Flower, Ligusticum, Ginger

Ingredients and Effects

Ingredient Name	Description
d-Chlorpheniramine Maleate	Reduces nasal congestion and runny nose as an anti-allergy medication.
dl-Methylephedrine Hydrochloride	Expands bronchial tubes to ease breathing.
Acetaminophen	Alleviates fever and pain, relieving cold symptoms.
Ethenzamide	Reduces inflammation, pain, and fever.
Chlorpheniramine Maleate	Reduces nasal congestion and runny nose as an anti-allergy medication.
Guaifenesin	Helps expel phlegm and eases breathing.
Dihydrocodeine Phosphate	Suppresses coughing.
Naphazoline Hydrochloride	Constricts nasal blood vessels to improve nasal congestion.
Fexofenadine Hydrochloride	Relieves allergic rhinitis symptoms and improves nasal congestion.
Riboflavin	A type of vitamin B that supports energy and symptom improvement.
Tetrahydrozoline Hydrochloride	Constricts nasal blood vessels to improve nasal congestion.
Anhydrous Caffeine	Stimulates the central nervous system, preventing drowsiness and easing symptoms.
Kudzu Decoction with Ligusticum	Herbal remedy to improve nasal congestion and chronic rhinitis.
Magnolia Flower Clear Lung Decoction	Herbal remedy to improve nasal congestion and chronic rhinitis.
Pseudoephedrine Hydrochloride	Reduces nasal mucosal congestion and swelling to improve nasal congestion.
Belladonna Alkaloids	Suppresses excessive nasal discharge and tearing to improve nasal congestion.

Differences in Formulation

Formulation	Characteristics	Benefits	Drawbacks
Tablet	Solid, easy to take, and convenient to store. Provides stable effects over time.	Portable and easy to take.	May lack immediacy in effect.
Nasal Spray	Acts directly on the nasal cavity for localized effects.	Directly effective against nasal congestion, with quick results.	Prolonged use may cause side effects.
Liquid	Liquid form allows fast absorption in the body, often in syrup or drinkable forms.	Fast absorption and suitable for children and the elderly.	Less portable and may have a shorter shelf life.
Capsule	Gel-like or solid, dissolves and absorbs in the stomach.	Contents are protected from stomach acid, enhancing absorption.	Not suitable for those who have difficulty swallowing.
Granule	Powder form, relatively fast absorption, can be dissolved in water or drinks.	Relatively inexpensive and easy to adjust dosage.	May be unpleasant to consume for those who dislike powdery textures.

Points for Choosing

Symptoms/Needs	Suitable Formulation
Want quick relief for nasal congestion caused by colds or allergies	Liquid, Nasal Spray
Want a medication that acts directly on the nasal cavity for localized relief	Nasal Spray
Looking for medication resistant to humidity and temperature, easy to store	Tablet
Seeking long-lasting effects for use during work or while out	Capsule
Prefer affordable options with adjustable dosage as needed	Granule
Searching for medication suitable for children or elderly who have difficulty swallowing	Liquid

Product Introductions for Improving Nasal Congestion by Cause

Detailed information about product classifications, effects/efficacies, and applicable ages.

Allergic Rhinitis

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relieves sneezing, runny nose, nasal congestion, watery eyes, throat pain, and head heaviness caused by acute rhinitis, allergic rhinitis, and sinusitis.
• Applicable Age: 15 years and older
• Main Ingredients: Mepyramine, Phenylephrine Hydrochloride, Belladonna Alkaloids, Anhydrous Caffeine
• Dosage: 1 tablet per dose, 3 times a day, with intervals of 4 hours or more.
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, headache, difficulty urinating, facial flushing, and unusual light sensitivity.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relieves sneezing, runny nose, nasal congestion, watery eyes, throat pain, and head heaviness caused by acute rhinitis, allergic rhinitis, and sinusitis.
• Applicable Age: 5 years and older
• Main Ingredients: d-Chlorpheniramine Maleate, Phenylephrine Hydrochloride, Belladonna Alkaloids
• Dosage: Ages 7–14: 2 tablets per dose; ages 5–6: 1 tablet per dose; 3 times a day with intervals of 4 hours or more.
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, headache, difficulty urinating, facial flushing, and unusual light sensitivity.

• Classification: Designated Class 2 OTC drug
• Effects/Efficacies: Relieves sneezing, runny nose, nasal congestion, watery eyes, throat pain, and head heaviness caused by acute rhinitis, allergic rhinitis, and sinusitis.
• Applicable Age: 15 years and older
• Main Ingredients: d-Chlorpheniramine Maleate, Belladonna Alkaloids, dl-Methylephedrine Hydrochloride, Phenylephrine Hydrochloride, Anhydrous Caffeine
• Dosage: 1 capsule per dose, 3 times a day, with intervals of 4 hours or more.
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, headache, difficulty urinating, facial flushing, and unusual light sensitivity.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relief of allergic rhinitis symptoms such as sneezing, runny nose, and nasal congestion caused by pollen, house dust, etc.
• Applicable Age: 15 years and older
• Main Ingredients: Fexofenadine Hydrochloride
• Dosage: 1 tablet per dose, 2 times a day, morning and evening
• Side Effects: May include rash, itching, nausea, headache, dizziness, drowsiness, palpitations, liver dysfunction, and other symptoms.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relief of nasal congestion, runny nose, sneezing, and head heaviness caused by allergic rhinitis, acute rhinitis, and sinusitis.
• Applicable Age: 7 years and older
• Main Ingredients: Naphazoline Hydrochloride, Chlorpheniramine Maleate, Benzalkonium Chloride
• Dosage: 1–2 sprays per dose, up to 6 times a day, with an interval of 3 hours or more
• Side Effects: May include rash, redness, itching, nasal swelling, and irritation.

• Classification: Designated Class 2 OTC drug
• Effects/Efficacies: Relief of sneezing, runny nose, nasal congestion, watery eyes, throat pain, and head heaviness caused by acute rhinitis, allergic rhinitis, and sinusitis.
• Applicable Age: 3 years and older
• Main Ingredients: d-Chlorpheniramine Maleate, Pseudoephedrine Hydrochloride, Belladonna Alkaloids, Anhydrous Caffeine
• Dosage:
  • Ages 15 and older: 10mL per dose
  • Ages 11–14: 6mL per dose
  • Ages 7–10: 5mL per dose
  • Ages 3–6: 3mL per dose
  • 3–6 times daily, with intervals of approximately 4 hours
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, dizziness, insomnia, nervousness, headache, convulsions, difficulty urinating, facial flushing, and unusual sensitivity to light.

Cold and Flu

• Classification: Designated Class 2 OTC drug
• Effects/Efficacies: Relief of cold symptoms (runny nose, nasal congestion, sneezing, throat pain, cough, phlegm, chills, fever, headache, joint pain, muscle pain).
• Applicable Age: 15 years and older
• Main Ingredients: Pseudoephedrine Hydrochloride, Isopropamide Iodide, d-Chlorpheniramine Maleate, Dipotassium Glycyrrhizinate, Ibuprofen, L-Carbocisteine, Dihydrocodeine Phosphate
• Dosage: 2 tablets per dose, 3 times a day, within 30 minutes after meals
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, gastric discomfort, dizziness, insomnia, palpitations, shortness of breath, difficulty urinating, blurred vision, tinnitus, swelling, nosebleeds, gum bleeding, back pain, excessive drop in body temperature, fatigue, facial flushing, and unusual sensitivity to light.

• Classification: Designated Class 2 OTC drug
• Effects/Efficacies: Relief of cold symptoms (cough, phlegm, throat pain, sneezing, runny nose, nasal congestion, chills, fever, headache, joint pain, muscle pain).
• Applicable Age: 12 years and older
• Main Ingredients: Guaifenesin, Dihydrocodeine Phosphate, dl-Methylephedrine Hydrochloride, Acetaminophen, Chlorpheniramine Maleate, Anhydrous Caffeine, Riboflavin (Vitamin B2)
• Dosage:
  • Ages 15 and older: 3 tablets per dose
  • Ages 12–14: 2 tablets per dose
  • 3 times daily, within 30 minutes after meals
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, dizziness, difficulty urinating, excessive drop in body temperature, shock (anaphylaxis), Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, drug-induced hypersensitivity syndrome, liver dysfunction, renal dysfunction, interstitial pneumonia, asthma, aplastic anemia, agranulocytosis, respiratory depression.

• Classification: Designated Class 2 OTC drug
• Effects/Efficacies: Relief of cold symptoms (fever, throat pain, cough, runny nose, nasal congestion, phlegm, sneezing, chills, headache, joint pain, muscle pain).
• Applicable Age: 7 years and older
• Main Ingredients: Acetaminophen, Ethenzamide, Chlorpheniramine Maleate, dl-Methylephedrine Hydrochloride, Anhydrous Caffeine
• Dosage:
  • Ages 15 and older: 2 capsules per dose
  • Ages 7–14: 1 capsule per dose
  • 3 times daily, preferably within 30 minutes after meals
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, dizziness, difficulty urinating, excessive drop in body temperature, shock (anaphylaxis), Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, drug-induced hypersensitivity syndrome, liver dysfunction, renal dysfunction, interstitial pneumonia, asthma, aplastic anemia, agranulocytosis.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relief of cold symptoms (runny nose, nasal congestion, sneezing, throat pain, cough, phlegm, chills, fever, headache, joint pain, muscle pain).
• Applicable Age: 3 months to under 7 years
• Main Ingredients: Acetaminophen, Chlorpheniramine Maleate, dl-Methylephedrine Hydrochloride
• Dosage:
  • Ages 3–6 months: 4mL per dose
  • Ages 6–12 months: 4.5mL per dose
  • Ages 1–3 years: 6mL per dose
  • Ages 3–7 years: 8mL per dose
  • 3 times daily after each meal and before bed as needed, up to 6 times daily, with intervals of approximately 4 hours
• Side Effects: May include rash, redness, itching, nausea, vomiting, loss of appetite, dizziness, difficulty urinating, excessive drop in body temperature, shock (anaphylaxis), Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, liver dysfunction, interstitial pneumonia, asthma, aplastic anemia, agranulocytosis.

Sinusitis (Chronic Sinus Infection)

• Classification: Class 2 OTC drug
• Effects/Efficacies: For individuals with moderate or greater physical strength and thick nasal discharge, sometimes accompanied by a sensation of heat. Relieves nasal congestion, chronic rhinitis, and sinusitis (chronic sinus infection).
• Applicable Age: 5 years and older
• Main Ingredients: Magnolia Flower, Fennel, Baikal Skullcap, Gardenia, Cimicifuga, Ophiopogon, Gypsum, Loquat Leaf
• Dosage:
  • Ages 15 and older: 4 tablets per dose
  • Ages 7–14: 3 tablets per dose
  • Ages 5–6: 2 tablets per dose
  • 2 times daily, before or between meals in the morning and evening
• Side Effects: May include loss of appetite, gastric discomfort, interstitial pneumonia, liver dysfunction, mesenteric venous sclerosis, and other symptoms.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relief of nasal congestion, runny nose, sneezing, and head heaviness caused by acute rhinitis, allergic rhinitis, and sinusitis.
• Applicable Age: 7 years and older
• Main Ingredients: Tetrahydrozoline Hydrochloride, Chlorpheniramine Maleate, Benzethonium Chloride
• Dosage: 1–2 sprays per nostril every 3–4 hours, up to 6 times a day
• Side Effects: May include rash, redness, itching, nasal swelling, and irritation.

• Classification: Class 2 OTC drug
• Effects/Efficacies: Relieves nasal congestion, sinusitis (chronic sinus infection), and chronic rhinitis in individuals with relatively strong physical strength.
• Applicable Age: 2 years and older
• Main Ingredients: Kudzu Root, Chinese Date, Ephedra, Licorice, Cinnamon, Peony, Magnolia Flower, Ligusticum, Ginger
• Dosage:
  • Ages 15 and older: 1 packet (1.875g) per dose
  • Ages 7–14: 2/3 packet per dose
  • Ages 4–6: 1/2 packet per dose
  • Ages 2–3: 1/3 packet per dose
  • 2 times daily, before meals with water or warm water
• Side Effects: May include rash, redness, itching, loss of appetite, gastric discomfort, pseudoaldosteronism, myopathy, and other symptoms.

Precautions for Use

• Be sure to strictly adhere to the usage and dosage instructions provided in the included manual.
• When administering to children, ensure usage under the supervision of a guardian and follow the dosage instructions specified in the manual.
• If symptoms do not improve, promptly consult a medical institution.

About Product Information

DOKODEMO strives to display the latest product information on its website. However, product specifications, styles (volume, packaging, ingredients, country of origin, etc.) may be subject to change due to the manufacturer's circumstances. As such, the actual delivered product may differ from the information displayed on the website. Be sure to check the label and precautions of the delivered product before use.