What it's used for
Tacrolimus capsules are used to prevent organ rejection in adult patients receiving liver, kidney, or heart transplants, and in pediatric patients receiving liver transplants.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Initial oral dosage varies by patient population and requires therapeutic drug monitoring, consistent administration with or without food, and avoiding grapefruit products.
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.
Boxed warning / key safety info
There is an increased risk of developing serious infections and malignancies that may lead to hospitalization or death.
Common side effects
Serious adverse reactions include an increased risk of serious infections and malignancies, new-onset diabetes, and kidney toxicity.
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.
Tacrolimus cost without insurance
Cash prices for Tacrolimus 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.
Tacrolimus 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.
Tacrolimus dosage and administration
Capsules must be taken whole. ( 2.1 ) Take consistently every morning at the same time on an empty stomach at least 1 hour before a meal or at least 2 hours after a meal. ( 2.1 ) Avoid eating grapefruit or drinking grapefruit juice or alcohol. ( 2.1 ) African-American patients and patients with severe hepatic impairment may require dosing adjustments. ( 2.3 ) Frequent monitoring of trough concentrations is recommended. ( 2.4 ) For complete dosing information, see Full Prescribing Information.
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.
Tacrolimus side effects
The following clinically significant adverse drug reactions are discussed in greater detail in other sections of labeling: Lymphoma and Other Malignancies [see Warnings and Precautions ( 5.1 )] Serious Infections [see Warnings and Precautions ( 5.2 )] Increased Mortality in Female Liver Transplant Patients [see Warnings and Precautions ( 5.3 )] New Onset Diabetes after Transplant [see Warnings and Precautions ( 5.5 )] Nephrotoxicity due to Tacrolimus Extended-Release Capsules and Drug Interactions [see Warnings and Precautions ( 5.6 )] Neurotoxicity [see Warnings and Precautions ( 5.7 )] Hyperkalemia [see Warnings and Precautions ( 5.8 )] Hypertension [see Warnings and Precautions ( 5.9 )] QT Prolongation [see Warnings and Precautions ( 5.11 )] Pure Red Cell Aplasia [see Warnings and Precautions ( 5.13 )] Thrombotic Microangiopathy, Including Hemolytic Uremic Syndrome and Thrombotic Thrombocytopenic Purpura [see Warnings and Precautions (5.14) ] The most common adverse reactions (≥ 30%) are: diarrhea, constipation, nausea, peripheral edema, tremor and anemia.
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.
Tacrolimus drug interactions
Risk of rejection with strong CYP3A inducers and risk of serious adverse reactions with strong CYP3A inhibitors: Adjust dose and monitor tacrolimus concentrations. ( 2.4 , 5.10 , 7.2 ) Therapeutic drug monitoring and dose reduction for tacrolimus extended-release capsules should be considered when tacrolimus extended-release capsules is co-administered with cannabidiol. ( 2.4 , 5.15 , 7.3 ) See Full Prescribing Information for clinically significant drug interactions.
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 tacrolimus
Tacrolimus extended-release capsules is contraindicated in patients with known hypersensitivity to tacrolimus [see Adverse Reactions ( 6.2 )] . Known hypersensitivity to tacrolimus. ( 4 )
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 tacrolimus covered at $0 with Tab?
Yes. Tacrolimus 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 tacrolimus 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 tacrolimus 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 tacrolimus cost without insurance?
Without insurance, retail cash prices for tacrolimus vary by pharmacy, strength and quantity. Tacrolimus 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 tacrolimus?
For medications on Tab's covered list, a Tab membership is the cheapest route: covered strengths of tacrolimus 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 tacrolimus?
Capsules must be taken whole. ( 2.1 ) Take consistently every morning at the same time on an empty stomach at least 1 hour before a meal or at least 2 hours after a meal. ( 2.1 ) Avoid eating grapefruit or drinking grapefruit juice or alcohol. ( 2.1 ) African-American patients and patients with severe hepatic impairment may require dosing adjustments. (FDA-approved label, retrieved 2026-09-15. Your clinician sets your dose.)
What are the side effects of tacrolimus?
The following clinically significant adverse drug reactions are discussed in greater detail in other sections of labeling: Lymphoma and Other Malignancies [see Warnings and Precautions ( 5.1 )] Serious Infections [see Warnings and Precautions ( 5.2 )] Increased Mortality in Female Liver Transplant Patients [see Warnings and Precautions ( 5.3 )] New Onset Diabetes after Transplant [see Warnings and Precautions ( 5.5 )] Nephrotoxicity due to Tacrolimus Extended-Release Capsules and Drug Interactions [see Warnings and Precautions ( 5.6 )] Neurotoxicity [see Warnings and Precautions ( 5.7 )] Hyperkalemia [see Warnings and Precautions ( 5.8 )] Hypertension [see Warnings and Precautions ( 5.9 )] QT Prolongation [see Warnings and Precautions ( 5.11 )] Pure Red Cell Aplasia [see Warnings and Precautions ( 5.13 )] Thrombotic Microangiopathy, Including Hemolytic Uremic Syndrome and Thrombotic Thrombocytopenic Purpura [see Warnings and Precautions (5.14) ] The most common adverse reactions (≥ 30%) are: diarrhea, constipation, nausea, peripheral edema, tremor and anemia. (FDA-approved label, retrieved 2026-09-15.)
What interacts with tacrolimus?
Risk of rejection with strong CYP3A inducers and risk of serious adverse reactions with strong CYP3A inhibitors: Adjust dose and monitor tacrolimus concentrations. ( 2.4 , 5.10 , 7.2 ) Therapeutic drug monitoring and dose reduction for tacrolimus extended-release capsules should be considered when tacrolimus extended-release capsules is co-administered with cannabidiol. (FDA-approved label, retrieved 2026-09-15. Tell your clinician about every medication and supplement you take.)
Tacrolimus 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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