Nighttime Cough DM Dextromethorphan HBr, Doxylamine Succinate 30 mg/20mL; 12.5 mg/20mL Solution — NDC 50844-043-36 (Billing 50844-0043-36)
This is a package of Nighttime Cough DM Dextromethorphan HBr, Doxylamine Succinate 30 mg/20mL; 12.5 mg/20mL Solution from L.N.K. International, Inc., marketed since Jul 2021 and currently FDA-listed. It is this product's only package size.
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
- RxCUI (RxNorm): 1115329
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 Uncompetitive N-methyl-D-aspartate Receptor Antagonist class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
This is an over-the-counter oral liquid cough and cold product containing dextromethorphan and doxylamine. Dextromethorphan is a cough suppressant commonly used to reduce coughing. Doxylamine is a first-generation antihistamine typically used to promote drowsiness and relieve allergy symptoms. This combination is designed to be taken at night to address cough and cold symptoms while the antihistamine component may help with sleep.
Patient education
Supplement & herbal interactions
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 |
|---|---|---|---|---|
| 50844-0043-36 You're viewing this Main listing | 1 BOTTLE, PLASTIC in 1 CARTON / 118 mL in 1 BOTTLE, PLASTIC | 2021-07-16 | — | Active |
Therapeutic equivalents
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Oct 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 Oct 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.
Where does this data come from?
IACT rows and label-wide narrative are kept separate; availability and product-level specificity depend on the submitted label.- 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 temporarily relieves cough due to minor throat and bronchial irritation as may occur with a cold temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: itching of the nose or throat sneezing itchy, watery eyes runny nose controls the impulse to cough to help you sleep
⏱️ Dosage and Administration ▾
Directions do not take more than directed do not take more than 4 doses in any 24-hour period mL = milliliter only use the dose cup provided adults and children 12 years and over: 20 mL in dosing cup provided every 6 hours children under 12 years: do not use
⚠️ Warnings ▾
Warnings Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have a cough that occurs with too much phlegm (mucus) glaucoma difficulty in urination due to enlargement of the prostate gland a breathing problem or persistent or chronic cough as occurs with smoking, asthma, chronic bronchitis, or emphysema Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers.
When using this product marked drowsiness may occur alcohol, sedatives, and tranquilizers may increase drowsiness avoid alcoholic drinks use caution when driving a motor vehicle or operating machinery excitability may occur, especially in children Stop use and ask a doctor if cough persists more than 7 days, tends to recur, or is accompanied by a fever, rash, or persistent headache. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
📦 Storage and Handling ▾
Other information each 20 mL contains: sodium 14 mg store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F) see end flap for expiration date and lot number
🧪 Active Ingredient ▾
Active ingredients (in each 20 mL) Dextromethorphan HBr 30 mg Doxylamine succinate 12.5 mg
🧪 Inactive Ingredients ▾
Inactive ingredients anhydrous citric acid, FD&C blue #1, FD&C red #40, flavors, glycerin, high fructose corn syrup, polyethylene glycol, propylene glycol, purified water, sodium benzoate, sodium chloride, sodium citrate dihydrate, sucralose, sugar, xanthan gum
🎯 Purpose ▾
Purpose Cough suppressant Antihistamine
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 | — Not published for this NDC No photo available yet for this listing. |
| Inactive ingredients (structured) | — Not published for this NDC The labeler did not submit a structured excipient list, or no SPL is 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. |