What the FDA labels say about taking them together
Sodium tetradecyl and tetradecyl hydrogen
Tetradecyl hydrogen's FDA label of August 17, 2021 names sodium tetradecyl in its contraindications section; the sodium tetradecyl label PlainMeds reads does not name tetradecyl hydrogen. The tetradecyl hydrogen label: “CONTRAINDICATIONS Sotradecol is contraindicated in previous hypersensitivity reactions to the drug; in acute superficial thrombophlebitis; valvular or deep vein incompetence; …”
Check it at the source: the sodium tetradecyl FDA label on DailyMed (effective June 26, 2024, Hikma Pharmaceuticals USA Inc.); the tetradecyl hydrogen FDA label on DailyMed (effective August 17, 2021, Mylan Institutional LLC).
What does the sodium tetradecyl label say about tetradecyl hydrogen?
Sodium tetradecyl's label (effective June 26, 2024) does not name tetradecyl hydrogen in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Sodium Tetradecyl Sulfate), Hikma Pharmaceuticals USA Inc., effective June 26, 2024 (SPL set 997394e1-ec1f-4093-e053-2a95a90a0ea0), via openFDA; the full label on DailyMed
What does the tetradecyl hydrogen label say about sodium tetradecyl?
Tetradecyl hydrogen label, contraindicationsCONTRAINDICATIONS Sotradecol (sodium tetradecyl sulfate injection) is contraindicated in previous hypersensitivity reactions to the drug; in acute superficial thrombophlebitis; valvular or deep vein incompetence; huge superficial veins with wide open communications to deeper veins; phlebitis migrans; acute cellulitis; allergic conditions; acute infections; varicosities caused by abdominal and pelvic tumors unless the tumor has been removed; bedridden patients; such uncontrolled systemic diseases as diabetes, toxic hyperthyroidism, tuberculosis, asthma, neoplasm, sepsis, blood dyscrasias and acute respiratory or skin diseases.
Tetradecyl hydrogen label, warningsWARNINGS Sotradecol (sodium tetradecyl sulfate injection) should only be administered by a healthcare professional experienced in venous anatomy and the diagnosis and treatment of conditions affecting the venous system and familiar with proper injection technique.
Source: FDA drug label (Sotradecol), Mylan Institutional LLC, effective August 17, 2021 (SPL set f1756c28-dcd2-4b49-be62-07ca20682018), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Sodium tetradecyl | Tetradecyl hydrogen | |
|---|---|---|
| Labeled for | n/a | n/a |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | n/a |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once