PHENERGAN VC
LOE Approachingphenylephrine hydrochloride; promethazine hydrochloride
NDAORALSYRUP
Approved
Sep 1954
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Data completeness
1/8 — Limited
Drug data last refreshed 12h ago · AI intelligence enriched 3w ago
AI summarySynthesized from FDA + DailyMed + ClinicalTrials.gov data
PHENERGAN VC is a combination oral syrup containing phenylephrine hydrochloride (a nasal decongestant) and promethazine hydrochloride (a first-generation antihistamine with anticholinergic properties). It is indicated for symptomatic relief of upper respiratory tract congestion and allergic symptoms. The drug works via alpha-adrenergic stimulation (phenylephrine) and H1-receptor antagonism (promethazine) to reduce nasal congestion and allergic responses.
LOE Approaching
This legacy product is approaching loss of exclusivity with moderate competitive pressure (30/100), signaling a contracting commercial team focused on maintenance rather than expansion.
Mechanism of Action
Mechanism of action data is being enriched from DailyMed and FDA sources. Check back soon for updated drug intelligence.
Indications
Indication data is being enriched from DailyMed and FDA labeling. Check back soon for approved therapeutic uses.
Career Relevance
Zero linked job opportunities reflect PHENERGAN VC's legacy status and minimal commercial investment. Careers tied to this product are contracting, with limited growth potential or high-visibility roles available. Professionals should anticipate defensive portfolio management, potential divestiture, or reassignment to growth-stage products.
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Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.