What it's used for
This medication is a proton pump inhibitor used to treat stomach and duodenal ulcers, heal damage from gastroesophageal reflux disease, and reduce the risk of NSAID-associated stomach ulcers.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Capsules should be swallowed whole, with specific doses varying depending on the condition being treated.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Common side effects
Potential serious side effects include kidney inflammation, severe diarrhea, bone fractures, and vitamin deficiencies.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other everything else medications covered at $0 with an active Tab membership.
Lansoprazole cost without insurance
Cash prices for Lansoprazole without insurance vary widely by pharmacy, strength and quantity — the same prescription can cost very different amounts at two pharmacies in the same town. That is the problem a membership solves.
Lansoprazole is on Tab's covered $0 generic list. With an active Tab membership, every covered strength is $0 — not a percentage off, not a coupon that changes month to month — at participating pharmacies nationwide or through mail order. You do not need insurance, and Tab works whether or not you have a health plan.
Tab is a membership, not insurance. Covered medications require a prescription from a licensed clinician.
Lansoprazole dosage and administration
Recommended Dosage: See full prescribing information for complete dosing information for lansoprazole delayed-release capsules by indication and age group and dosage adjustment in patients with severe hepatic impairment. ( 2.1 , 2.2 , 2.3 ) Administration Instructions ( 2.4 ) Lansoprazole delayed-release capsules Should be swallowed whole. See full prescribing information for alternative administration options 2.1 Recommended Adult Dosage by Indication Indication Recommended Dose Frequency Duodenal Ulcers Short-Term Treatment 15 mg Once daily for 4 weeks Maintenance of Healed 15 mg Once daily Eradication of H.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Your prescribing clinician decides the exact dose, form and schedule for you — this is not medical advice.
Lansoprazole side effects
The following serious adverse reactions are described below and elsewhere in labeling: Acute Tubulointerstitial Nephritis [see Warnings and Precautions ( 5.2 )] Clostridium difficile -Associated Diarrhea [see Warnings and Precautions ( 5.3 )] Bone Fracture [see Warnings and Precautions ( 5.4 )] Severe Cutaneous Adverse Reactions [see Warnings and Precautions ( 5.5 )] Cutaneous and Systemic Lupus Erythematosus [see Warnings and Precautions ( 5.6 )] Cyanocobalamin (Vitamin B-12) Deficiency [see Warnings and Precautions ( 5.7 )] Hypomagnesemia and Mineral Metabolism [see Warnings and Precautions ( 5.8 )] Fundic Gland Polyps [see Warnings and Precautions ( 5.12 )] Most commonly reported adverse reactions (≥1%): diarrhea, abdominal pain, nausea and constipation.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. This is not a complete list. Report side effects to your clinician, and seek care for anything severe or unexpected.
Lansoprazole drug interactions
Tables 2 and 3 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with lansoprazole delayed release capsules and instructions for preventing or managing them. Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs. Table 2. Clinically Relevant Interactions Affecting Drugs Co-Administered with Lansoprazole Delayed Release Capsules and Interactions with Diagnostics Antiretrovirals Clinical Impact: The effect of PPIs on antiretroviral drugs is variable. The clinical importance and the mechanisms behind these interactions are not always known.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Tell your clinician and pharmacist about every medication, supplement and over-the-counter product you take.
Who should not take lansoprazole
Lansoprazole delayed-release capsules are contraindicated in patients with known hypersensitivity to any component of the formulation. Hypersensitivity reactions may include anaphylaxis, anaphylactic shock, angioedema, bronchospasm, acute tubulointerstitial nephritis, and urticaria [see Warnings and Precautions ( 5.2 ), Adverse Reactions (6)]. Proton Pump Inhibitors (PPIs), including lansoprazole, are contraindicated with rilpivirine-containing products [ see Drug Interactions ( 7 )]. For information about contraindications of antibacterial agents (clarithromycin and amoxicillin) indicated in combination with lansoprazole, refer to the CONTRAINDICATIONS section of their prescribing information. Contraindicated in patients with known hypersensitivity to any component of the lansoprazole delayed-release capsules formulation.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Whether this medication is appropriate for you is a clinical decision made by your prescribing clinician.
Common questions
Is lansoprazole covered at $0 with Tab?
Yes. Lansoprazole is on Tab's covered $0 generic list — every covered strength is $0 with an active membership, at participating pharmacies nationwide or by mail order.
Do I need insurance to get lansoprazole through Tab?
No. Tab is a membership, not insurance. Covered medications are $0 with an active membership whether or not you have a health plan.
How do I get a lansoprazole prescription with Tab?
Book a video visit with a licensed Tab clinician (unlimited visits are included with membership). If it's clinically appropriate, they send the prescription to your chosen participating pharmacy or by mail order.
How much does lansoprazole cost without insurance?
Without insurance, retail cash prices for lansoprazole vary by pharmacy, strength and quantity. Lansoprazole is on Tab's covered $0 generic list, so every covered strength is $0 with an active Tab membership at participating pharmacies nationwide or by mail order.
What is the cheapest way to get lansoprazole?
For medications on Tab's covered list, a Tab membership is the cheapest route: covered strengths of lansoprazole are $0 with an active membership, and unlimited video visits with a licensed clinician are included, so the visit that produces the prescription is covered too.
What is the usual dose of lansoprazole?
Recommended Dosage: See full prescribing information for complete dosing information for lansoprazole delayed-release capsules by indication and age group and dosage adjustment in patients with severe hepatic impairment. ( 2.1 , 2.2 , 2.3 ) Administration Instructions ( 2.4 ) Lansoprazole delayed-release capsules Should be swallowed whole. (FDA-approved label, retrieved 2026-09-15. Your clinician sets your dose.)
What are the side effects of lansoprazole?
The following serious adverse reactions are described below and elsewhere in labeling: Acute Tubulointerstitial Nephritis [see Warnings and Precautions ( 5.2 )] Clostridium difficile -Associated Diarrhea [see Warnings and Precautions ( 5.3 )] Bone Fracture [see Warnings and Precautions ( 5.4 )] Severe Cutaneous Adverse Reactions [see Warnings and Precautions ( 5.5 )] Cutaneous and Systemic Lupus Erythematosus [see Warnings and Precautions ( 5.6 )] Cyanocobalamin (Vitamin B-12) Deficiency [see Warnings and Precautions ( 5.7 )] Hypomagnesemia and Mineral Metabolism [see Warnings and Precautions ( 5.8 )] Fundic Gland Polyps [see Warnings and Precautions ( 5.12 )] Most commonly reported adverse reactions (≥1%): diarrhea, abdominal pain, nausea and constipation. (FDA-approved label, retrieved 2026-09-15.)
What interacts with lansoprazole?
Tables 2 and 3 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with lansoprazole delayed release capsules and instructions for preventing or managing them. Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs. Table 2. (FDA-approved label, retrieved 2026-09-15. Tell your clinician about every medication and supplement you take.)
Lansoprazole is $0 on the covered list
Members pay $0 for covered generics at participating pharmacies nationwide or by mail order — plus unlimited virtual primary care, urgent care and dermatology visits. No insurance needed.
Solo $49/mo · Family $119/mo for up to 4 people · Family+ $149/mo for up to 8
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