TYZINE (tetrahydrozoline hydrochloride)
TYZINE is indicated for the treatment of Eye Irritation; Dry Eye.
Details
- Status
- Prescription
- First Approved
- 1979-11-30
- Routes
- NASAL
- Dosage Forms
- SOLUTION, SPRAY
TYZINE Approval History
What TYZINE Treats
2 indicationsTYZINE is approved for 2 conditions since its original approval in 1979. These indications span multiple therapeutic areas including oncology, immunology, and more.
- Eye Irritation
- Dry Eye
TYZINE Competitive Set
ProThree rings of competition based on shared molecular targets and treated indications.
Indication competitors
Same indication, different mechanism — what else might this patient receive?
Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.
Active Pipeline
Ongoing clinical trials by development phase
Key Completed Trials
Completed studies with published results, ranked by significance
Trial Timeline
Full development history with FDA approval milestones
Understanding FDA Approval Types
| Count | Type | What it means |
|---|---|---|
| - | ORIG | Original approval - drug first enters market |
| - | SUPPL - Efficacy | New indication (new disease/condition approved) |
| - | SUPPL - Labeling | Label text changes (warnings, dosing updates) |
| - | SUPPL - Manufacturing | Production changes (new facility) |
| - | SUPPL - Chemistry | Formulation changes (new dosage strength) |
Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.
TYZINE FDA Label Details
Indications & Usage
TYZINE is indicated for the treatment of Eye Irritation; Dry Eye.
Track TYZINE with TheraRadar Pro
Watchlist alerts, full database access, CSV exports across 14,000+ drugs.
Data Sources
Data sourced from official FDA and NIH databases. Click links to verify on original sources.