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RESPIRATORY SYSTEM › NASAL PREPARATIONS › DECONGESTANTS AND OTHER NASAL PREPARATIONS FOR TOPICAL USE › Sympathomimetics, plain
tuaminoheptane
R01AA11
Forms & Strengths
- Nasal spray 0.05% solution (≈0.5 mg per spray)
- Nasal drops 0.05% solution
- Nasal spray 0.025% for pediatric use
Adult Dosing
- Nasal spray: 1‑2 sprays per nostril every 12 h, max 4 sprays/day
- Nasal drops: 1‑2 drops per nostril every 12 h
- Do not exceed 5 days of continuous use
Pediatric Dosing
- Children 6‑12 yr: 1 spray per nostril every 12 h, max 2 sprays/day
- Children 2‑5 yr: not recommended (use only under medical supervision)
- Infants <2 yr: contraindicated
Indications
- Transient nasal congestion due to allergic rhinitis, common cold or sinusitis
- Pre‑operative nasal decongestion for ENT procedures
Mechanism of Action
- Selective α1‑adrenergic receptor agonist causing vasoconstriction of nasal mucosal arterioles
- Reduces mucosal edema and airway resistance
- Minor indirect release of norepinephrine
Contraindications
- Hypersensitivity to tuaminoheptane or excipients
- Severe or uncontrolled hypertension
- Narrow‑angle glaucoma
- Concurrent MAO‑inhibitor therapy
- Infants <2 yr
Adverse Reactions
- Local burning, stinging or dryness of nasal mucosa
- Nasal irritation, epistaxis
- Rebound congestion (rhinitis medicamentosa) after >5 days use
- Systemic hypertension, tachycardia, palpitations, insomnia
- Rare headache or nausea
Drug Interactions
- MAO inhibitors – potentiates hypertensive effect
- Other sympathomimetics (e.g., epinephrine, pseudoephedrine) – additive vasoconstriction
- β‑blockers – may mask tachycardia but increase pressor response
- Tricyclic antidepressants – additive pressor effect
- PDE‑5 inhibitors – rare systemic hypotension if absorbed
Curated Content: Needs Vetting Before Put to Clinical Use