Last updated: March 2026
How Much Does Cromolyn Sodium (NasalCrom/Gastrocrom) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Nasal Spray OTC (NasalCrom) | $10 – $20 | $10 – $20 |
| Oral Concentrate Gastrocrom (30-day) | $150 – $250 | $20 – $40 |
| Ophthalmic Solution 4% | $15 – $40 | $0 – $10 |
What Affects the Cost
- Brand-name vs. generic availability
- Insurance formulary tier placement
- Pharmacy choice (retail vs. mail-order vs. Costco)
- Manufacturer savings cards and coupons
- Dosage and quantity prescribed
- Geographic location
Insurance Coverage
Typical coverage: Nasal OTC; oral Gastrocrom specialty tier with prior auth
Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.
How to Save Money
- Always ask for generic when available — saves 50-90%
- Use GoodRx, RxSaver, or similar discount cards
- Costco pharmacy is open to non-members and often has lowest prices
- Mark Cuban's Cost Plus Drugs offers transparent low pricing
- Manufacturer patient assistance programs provide free medication to qualifying patients
- HSA/FSA funds can cover medication costs tax-free
Related Procedures & Costs
Frequently Asked Questions
Cromolyn prevents allergy symptoms by stabilizing mast cells. The nasal spray prevents allergic rhinitis, and oral cromolyn treats mastocytosis and food allergies.
Yes, cromolyn nasal spray (NasalCrom) is available OTC for $10 to $20. It must be started before allergy exposure for best results.
Oral cromolyn (Gastrocrom) costs $150 to $250/month and typically requires prior authorization from insurance.