Mucinex Instasoothe Sore Throat Plus Pain Relief
7 g/100mL + 1 g/100mL · Spray
- Available without prescription
- Standardized Chemical Allergen
- Active substance
- Benzocaine and Menthol, Unspecified Form
- Made by
- Reckitt Benckiser LLC
- Source
- Official label
Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.
At a glance
Quoted from the official label · 2026-05-27
Active ingredients Purpose Benzocaine 7% Oral pain reliever Menthol 1% Oral pain reliever
- Temporarily relieves occasional minor irritation and pain associated with sore throat sore mouth canker sores
- Sold without a prescription
- FDA enforcement reports list no ongoing recall, and none from the last two years, for this product code · checked 2026-10-02
Every line above is selected, not written, from the official label. Nothing is reworded. DailyMed
What it is for
- temporarily relieves occasional minor irritation and pain associated with sore throat sore mouth canker sores
From the official label · 2026-05-27 · DailyMed
Do not take it if
for teething in children under 6 years of age
Quoted from the official label, section “OTC — Do Not Use”.
How to take it
These directions are for this exact strength and form. Another one is different.
- adults and
- children 6 years of age and older apply to affected area (one spray); gargle, swish around in the mouth, or allow to remain in place at least 1 minute then spit out.
- Use up to 4 times daily or as directed by a doctor or dentist.
- Children 6 to under 12 years of age SUPERVISE USE
- children under 6 years of age
- do not use
Quoted from the official label, section “Dosage & Administration”.
Stop and get help if
or dentist if sore mouth symptoms do not improve in 7 days irritation, pain, or redness persists or worsens swelling, rash, or fever develops
Quoted from the official label, section “OTC — Stop Use”.
Other warnings
- Methemoglobinemia warning Use of this product may cause methemoglobinemia, a serious condition that must be treated promptly because it reduces the amount of oxygen carried in blood.
- This can occur even if you have used this product before.
- Stop use and seek immediate medical attention
- if you or a child in your care develops:
- pale, gray, or blue colored skin (cyanosis) headache rapid heart rate shortness of breath dizziness or lightheadedness fatigue or lack of energy Allergy alert
- Do not use this product
- if you have a history of allergy to local anesthetics such as procaine, butacaine, benzocaine, or other 'caine' anesthetics.
- Sore throat warning If sore throat is severe, persists for more than 2 days, is accompanied or followed by fever, headache, rash, swelling, nausea, or vomiting, consult a doctor promptly.
- Do not use for teething in
- When using this product
- do not exceed recommended dosage
- Stop use and
- ask a doctor or dentist if sore mouth symptoms do not improve in 7 days irritation, pain, or redness persists or worsens swelling, rash, or fever develops If pregnant or breast-feeding, ask a health professional before use.
- Keep out of reach of children.
- do not exceed recommended dosage
Quoted from the official label, section “Warnings”.
Pregnancy and breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Quoted from the official label, section “OTC — Pregnancy or Breast Feeding”.
Keep away from children
In case of overdose, get medical help or contact a Poison Control Center right away.
Quoted from the official label, section “OTC — Keep Out of Reach of Children”.
How to store it
store at 20-25°C (68-77°F)
Quoted from the official label, section “Storage and Handling”.
What kind of medicine it is
Active ingredients Purpose Benzocaine 7% Oral pain reliever Menthol 1% Oral pain reliever
Quoted from the official label, section “OTC — Purpose”.
Other ingredients
Relevant if you react to a dye, a preservative, lactose or gluten.
anhydrous citric acid, cetylpyridinium chloride, dibasic sodium phosphate, edetate disodium, flavor, hydrochloric acid*, polyethylene glycol, propylene glycol, purified water, sodium hydroxide*, sucralose *may contain this ingredient
Quoted from the official label, section “Inactive Ingredients”.
Questions about this product
1-866-MUCINEX (1-866-682-4639)
Quoted from the official label, section “OTC — Questions”.
Ingredients people check for
Lactose, gluten, dyes, sugars and other ingredients that matter with an allergy, intolerance or diet — as this product’s FDA label lists them.
This label’s list of inactive ingredients names none of: lactose, wheat or gluten, colour dyes, sugars, sugar alcohols, alcohol (ethanol), aspartame (phenylalanine), gelatin, peanut oil, soy, parabens, sulfites, titanium dioxide.
Quoted from the FDA label. A label that does not name an ingredient is not a guarantee that the product is free of it, and formulations change. With an allergy, check the pack and ask a pharmacist.
Details
| Made by | Reckitt Benckiser LLC |
|---|---|
| Active substance | Benzocaine and Menthol, Unspecified Form |
| Used in | Breathing, airways, allergies and cough |
| Strength | 7 g/100mL + 1 g/100mL |
| Form | Spray |
| Route | Oral |
| Packs | 115 mL in 1 BOTTLE, SPRAY |
| NDC | 72854-265 |
Source: NDC Directory · 2026-09-13 · not reviewed by a clinician
Source: US Food and Drug Administration, NDC Directory. Reuse terms: US government work (FDA).
Other strengths and forms
2 products are sold under this name. Grouped by form; a number on a strength means several companies make it.
- Spray1 products
- 7 g/100mL + 1 g/100mL
- Lozenge1 products
Same active substance
These contain the same substance. That does not mean one can replace another — ask a pharmacist.
See every product with Benzocaine and Menthol, Unspecified Form