WesTussin DM

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
WesTussin DM
Generic name
DEXCHLORPHENIRAMINE MALEATE, DEXTROMETHORPHAN HBR, PHENYLEPHRINE HCL
Manufacturer
Westminster Pharmaceuticals, LLC
Product type
HUMAN OTC DRUG
SPL set ID
68a0cd44-3fdd-430e-af1a-498d4415ab78
SPL ID
465fac60-2904-43f1-8d80-b7b9dc378024
Version
5
Effective date
2024-07-23
Source export date
2026-09-28
Source partition
12
Source file
https://download.open.fda.gov/drug/label/drug-label-0012-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/663999d0fe1757c1e2cd13a4799d76d875f663e0bc57701092264ebe7febfc18/drug-label-0012-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 06:24:33
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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Warnings sections page 1 of 1 · 1 matching rows.

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 heart disease high blood pressure thyroid disease diabetes a breathing problem such as emphysema or chronic bronchitis glaucoma difficulty in urination due to enlarged prostate gland persistent or chronic cough such as occurs with smoking, asthma or emphysema cough accompanied by excessive phlegm (mucus) Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product do not exceed recommended dosage marked drowsiness may occur alcohol, sedatives, and tranquilizers may increase the drowsiness effect avoid alcoholic beverages 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 for more than 1 week, tends to recur, or is accompanied by fever, rash or persistent headache. A persistent cough may be a sign of a serious condition. symptoms do not improve within 7 days or are accompanied by fever nervousness, dizziness, or sleeplessness occur If pregnant or breastfeeding 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.

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.