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sodium chloride, intranasal (Ocean, Ayr Saline, Entsol, HuMist, NaSal, Ocean for Kids, Rhinaris): Dosing and Uses

 

Classes: Decongestants, Intranasal

Medically reviewed by Min Clinic Staff | Updated: January 2026

Dosing and uses of Ocean, Ayr Saline (sodium chloride, intranasal)

 

Adult dosage forms and strengths

nasal spray

  • 0.9% (isotonicity includes addition of preservative systems and buffers)
  • 3% (Entsol)

 

Nasal Dryness & Congestion

Isotonic solution (0.9%) relieves nasal congestion by thinning mucus and moisturizes membranes

2 sprays/nostril prn

 

Pretreatment for Nasal Steroid

Helps reduce nasal swelling

Hypertonic saline (3%): 1 spray/nostril 2-6 times daily

 

Administration

Ocean delivery options

  • If bottle is held upright: delivers fine mist
  • If bottle is held horizontally: delivers a stream
  • If bottle is held upside down: delivers drops

 

Pediatric dosage forms and strengths

nasal spray

  • 0.9% (isotonicity includes addition of preservative systems and buffers)
  • 3% (Entsol)

 

Nasal Dryness & Congestion

Isotonic solution (0.9%) relieves nasal congestion by thinning mucus and moisturizes membranes

Children: 2 sprays/nostril prn

Infants: Use drop application; 1-2 drops each nostril with gentle bulb syringe suction to extract mucus

 

Pretreatment for Nasal Steroid

Helps reduce nasal swelling

Hypertonic saline (3%): 1 spray/nostril 2-6 times daily

 

Administration

Ocean delivery options

  • If bottle is held upright: delivers fine mist
  • If bottle is held horizontally: delivers a stream
  • If bottle is held upside down: delivers drops

 

Ocean, Ayr Saline (sodium chloride, intranasal) adverse (side) effects

None

 

Warnings

Contraindications

Hypersensitivity to preservatives or buffers

 

Cautions

Use by more than 1 person may spread infection

 

Pregnancy and lactation

Pregnancy category: A

Lactation: Not distributed in breast milk

 

Pregnancy categories

A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

NA: Information not available.

 

Pharmacology of Ocean, Ayr Saline (sodium chloride, intranasal)

Mechanism of action

Provides moisture to dry or inflamed mucus membranes, and helps thin mucus