Last updated: March 2026
How Much Does Loperamide Rx (Imodium) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Loperamide 2mg Capsule (Rx) | $4 – $10 | $0 – $5 |
| Loperamide 1mg/5mL Liquid (Rx) | $8 – $20 | $3 – $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: Tier 1 generic — covered on most plans; OTC version widely available
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
Prescription loperamide costs $4 to $10 for a typical supply without insurance. Over-the-counter Imodium is also available for similar prices.
A prescription may be needed for higher doses, insurance coverage, or for chronic conditions like IBS-D. Some patients benefit from doctor-supervised use.
Loperamide is generally safe for short-term use. Long-term use should be supervised by a doctor, as it can cause constipation and other issues if overused.