Cough Out Guaifenesin 100 mg/5mL Liquid, 178 mL — NDC 58593-255-06 (Billing 58593-0255-06)
This is a package of 178 mL of Cough Out Guaifenesin 100 mg/5mL Liquid from Efficient Laboratories Inc., marketed since Jul 1997 and currently FDA-listed, this package's marketing is listed to end Oct 2026.
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
- RxCUI (RxNorm): 310604
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
RxNorm drug class
This medicine belongs to the Expectorant class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
- Guaifenesin doesn't suppress your cough — it actually makes it work better. It loosens and thins the mucus in your chest so your cough can move it out of your airways more effectiv...
- What exactly does guaifenesin do — does it actually stop my cough?
- No — extended-release tablets like 12 Hour Mucus Relief and 365 Whole Foods Market Guaifenesin must be swallowed whole. Crushing, chewing, or breaking them releases the medicine al...
- Can I crush or split the extended-release tablet to make it easier to swallow?
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Guaifenesin — tap one for details:
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
Ask a licensed pharmacist directly — free, answered by our team.
Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
Where does this data come from?
- CMS NADAC weekly file
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · refreshed Oct 3, 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 58593-0255-04 58593-255-04 Main listing | 118 mL in 1 BOTTLE | 1997-07-01 | — | Discontinued by firm |
| 58593-0255-06 You're viewing this | 178 mL in 1 BOTTLE | 1997-07-01 | Oct 31, 2026 | Active |
You're viewing the largest of 2 pack sizes for this product.
Pack size FAQ
What quantity is in this package?
How does this package differ from NDC 58593-0255-04?
What NDC number is used to bill for this package of Cough Out Guaifenesin 100 mg/5mL Liquid?
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Chest Congestion Relief 100 mg/5mL 00536-1314-85 | RUGBY | 473 ml | $0.011 | — | Availability likely | — |
| Guaifenesin 100 mg/5mL 58657-0508-16 | Method | 473 ml | $0.011 | — | Availability likely | — |
| Guaifenesin 100 mg/5mL 83720-0503-16 | Oncor | 473 ml | $0.011 | — | Availability likely | — |
| Guaifenesin 100 mg/5mL 58657-0509-16 | Method | 473 ml | $0.013 | — | FDA listed | — |
| Good Neighbor Adult Tussin Mucus and chest congestion 200 mg/10mL 46122-0785-29 | AMERISOURCE | 1 bottle | $0.023 | — | Availability likely | — |
| Tusnel EX 100 mg/5mL 54859-0507-04 | Llorens | 118 ml | $0.023 | — | Availability likely | — |
| Mucolyte 100 mg/5mL 57237-0359-12 | Rising | 118 ml | $0.023 | — | Availability likely | — |
| Tussin 200 mg/10mL 70677-1186-01 | Strategic | 1 bottle | $0.023 | — | Availability likely | — |
| Tussin Mucus and Chest Congestion Sugar Free 200 mg/10mL 82568-0012-04 | AARNA | 1 bottle | $0.023 | — | Availability likely | — |
| QCH Adult Tussin 541 200 mg/10mL 83324-0024-04 | Chain | 1 bottle | $0.023 | — | Availability likely | — |
| Mucinex Fast-Max Chest Congestion Honey and Berry Flavor 400 mg/20mL 63824-0537-66 | Reckitt | 180 ml | $0.061 | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 00121-0744-04 | PAI | 118 ml | — | — | FDA listed | — |
| Guaifenesin 200 mg/10mL 00121-1488-00 | PAI | 10 cups | — | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 00121-1744-00 | PAI | 10 cups | — | — | FDA listed | — |
| Guaifenesin 300 mg/15mL 00121-2232-00 | PAI | 10 cups | — | — | FDA listed | — |
| Walgreen Cherry 200 mg/10mL 00363-7043-08 | WALGREEN | 1 bottle | — | — | FDA listed | — |
| Childrens Chest Congestion Relief 100 mg/5mL 00363-7504-04 | WALGREENS | 1 bottle | — | — | FDA listed | — |
| Tusnel EX 100 mg/5mL 50090-6542-00 | A-S | 118 ml | — | — | FDA listed | — |
| CVS Adult Mucus plus Chest Congestion 200 mg/10mL 51316-0437-08 | CVS | 1 bottle | — | — | FDA listed | — |
| CVS Adult Mucus chest congestion 200 mg/10mL 51316-0743-08 | CVS | 1 bottle | — | — | FDA listed | — |
| Tussin 100 mg/5mL 53943-0507-26 | Discount | 237 ml | — | — | FDA listed | — |
| Childrens Chest Congestion Relief Grape 100 mg/5mL 53943-0511-24 | Discount | 118 ml | — | — | FDA listed | — |
| Llorens Care Tussin 100 mg/5mL 54859-0510-16 | Llorens | 473 ml | — | — | FDA listed | — |
| Guaifenesin 200 mg/10mL 55154-5780-05 | Cardinal | 5 cups | — | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 55154-9450-05 | Cardinal | 5 cups | — | — | FDA listed | — |
| Geri-Tussin 200 mg/10mL 57896-0293-16 | Geri-Care | 473 ml | — | — | FDA listed | — |
| Geri-Tussin 100 mg/5mL 57896-0693-16 | Geri-Care | 473 ml | — | — | FDA listed | — |
| Cough Out 100 mg/5mLthis 58593-0255-06 | Efficient | 178 ml | — | — | FDA listed | — |
| Rompe Pecho SF 100 mg/5mL 58593-0265-04 | Efficient | 118 ml | — | — | Discontinued | — |
| Rompe Pecho EX 200 mg/10mL 58593-0829-04 | Efficient | 118 ml | — | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 60687-0852-17 | American | 10 cups | — | — | FDA listed | — |
| Guaifenesin 200 mg/10mL 60687-0863-56 | American | 10 cups | — | — | FDA listed | — |
| Guaifenesin 300 mg/15mL 60687-0874-16 | American | 10 cups | — | — | FDA listed | — |
| Childrens Mucus Relief Chest Congestion 100 mg/5mL 63868-0770-04 | Chain | 1 bottle | — | — | FDA listed | — |
| SDA Laboratories Tussin 100 mg/5mL 66424-0563-16 | SDA | 473 ml | — | — | FDA listed | — |
| DRx Choice Fruit Punch 200 mg/10mL 68163-0743-04 | Raritan | 1 bottle | — | — | FDA listed | — |
| Adult Tussin 200 mg/10mL 69230-0332-23 | Camber | 1 bottle | — | — | FDA listed | — |
| Reliable-1 Tussin 100 mg/5mL 69618-0068-54 | RELIABLE | 118 ml | — | — | FDA listed | — |
| Akin 100 mg/5mL 69822-0200-02 | Southern | 118 ml | — | — | FDA listed | — |
| MAX Tussin Mucus and Chest Congestion Sugar Free 200 mg/10mL 71399-0024-04 | Akron | 1 bottle | — | — | FDA listed | — |
| MAX Tussin Mucus and Chest Congestion 200 mg/10mL 71399-0054-08 | Akron | 1 bottle | — | — | FDA listed | — |
| Guaifenesin STRAWBERRY-BANANA FLAVOR 100 mg/5mL 71800-0059-19 | Innovida | 119 ml | — | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 72162-2278-02 | Bryant | 473 ml | — | — | FDA listed | — |
| Guaifed 200 mg/10mL 73564-0801-04 | Aldama | 118 ml | — | — | FDA listed | — |
| Tussin Expectorant 100 mg/5mL 76281-0507-24 | AptaPharma, | 118 ml | — | — | FDA listed | — |
| Meijer Adult Mucus Plus chest congestion 200 mg/10mL 79481-7430-08 | MEIJER | 1 bottle | — | — | FDA listed | — |
| Guaifenesin 100 mg/5mL 81033-0102-51 | KESIN | 50 cups | — | — | FDA listed | — |
| Quality Choice Adult Tussin Expectorant 200 mg/10mL 83324-0332-04 | QUALITY | 1 bottle | — | — | FDA listed | — |
| Curewell Tussin 100 mg/5mL 85111-0693-16 | RMT | 473 ml | — | — | FDA listed | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Sep 3, 2026
- CMS NADAC weekly file
Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route.
Where does this data come from?
- FDA Orange Book · refreshed Sep 3, 2026
Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
-
UNII ZY81Z83H0X
Aloe vera leaf is a plant extract derived from the aloe plant. It is used in medicines as a natural moisturizer and skin-soothing agent in topical formulations.
-
UNII Z0H242BBR1
Aspartame is an artificial sweetener made from amino acids. It's added to medicines to improve taste, making bitter or unpleasant-tasting drugs easier to take.
-
UNII Y9H1V576FH
Honey is a natural sweetener made by bees from flower nectar. In medicines, it adds sweetness to improve taste and may help soothe throat irritation in lozenges or syrups.
-
UNII L7T10EIP3A
A cooling compound from mint plants used as a flavoring agent and to create a fresh sensation in medicines. It helps mask bitter tastes and improve how the product feels in the mouth.
-
UNII A2I8C7HI9T
Methylparaben is a preservative derived from benzoic acid that prevents growth of bacteria, fungi, and mold in medicines. It extends the product's shelf life and maintains safety during storage.
-
UNII 1VPU26JZZ4
Potassium sorbate is a salt derived from sorbic acid, a naturally occurring preservative. It prevents growth of mold, yeast, and some bacteria, extending the medicine's shelf life.
-
UNII 6DC9Q167V3
Propylene glycol is a clear liquid derived from petroleum or vegetable sources. It acts as a solvent, humectant, and preservative in medicines, helping dissolve active ingredients and maintain product stability.
-
UNII Z8IX2SC1OH
Propylparaben is a chemical preservative used to prevent bacterial and fungal growth in medicines and personal care products. It helps extend shelf life and maintain product safety during storage.
-
UNII 059QF0KO0R
Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.
9 inactive ingredients listed in the exact product block matched to this NDC.
Label-section wording can be broader than the structured product block and may mention additional formulation ingredients.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.- FDA label on DailyMed · label index refreshed Oct 1, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
Why might an inactive ingredient be missing?
Can inactive ingredients matter?
Manufacturer & labeler
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
FDA label — Drug Facts FDA SPL
🎯 Indications and Usage ▾
Uses Helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus.
⏱️ Dosage and Administration ▾
Directions: Shake well immediately before use. Do not exceed 6 doses in any 24 hour period. Adults and Children 12 years and over - 10 ml (2 tsps) every 4 hours Children 6 to under 12 years of age - 5 ml (1 tsp) every 4 hours Children under 6 years of age - Do not use
⚠️ Warnings ▾
Warnings Do not exceed recommended dosage Ask a doctor before use if you have a cough that is accompanied by excessive phlegm (mucus) a persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema. Stop use and ask a doctor if cough persists for more than 1 week, tends to recur, or is accompanied by a fever, rash, or persstent headached. A persistent cough may be a sign of a serious condition.
🧪 Active Ingredient ▾
Active Ingredient: (In each teaspoonful 5 mls) Purpose Guiafenesin 100 mg (USP)............................................Expectorant
🧪 Inactive Ingredients ▾
Inactive Ingredients: Aloe Vera, Aspartame, Honey, Menthol, Methylparaben, Potassium Sorbate, Propylene Glycol, Propylparaben, Purified Water
🎯 Purpose ▾
Purpose Expectorant
🤰 If Pregnant or Breast-Feeding ▾
If pregnant or breast-feeding, ask a health professional before use.
📄 Keep Out of Reach of Children ▾
Keep Out of Reach of Children. In case of accidental overdose, get medical help or contact the Poison Control Center right away.
📄 Other Information ▾
Each 5 mls contains: sodium 5 mg, and potassium 5 mg Phenylketonurics: Contains Phenylalanine 2.5 mg per 5 ml (teaspoonful).
📄 Questions or Comments ▾
Questions or Comments? 305.805.3456 Monday-Friday 9AM to 5PM EST www.efficientlabs.com
📄 Package Label / Principal Display Panel ▾
CoughOutLabel
About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | — Not published for this NDC Applies only to products approved under an NDA/ANDA; many listings are out of scope. |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |