Key facts
- Active ingredient
- Tacrolimus
- Drug class
- Calcineurin Inhibitor Immunosuppressant
- Form
- Capsule, Capsule, extended release, Injectable, Topical
- Strength
- Tacrolimus EQ 0.5MG Base · Tacrolimus EQ 1MG Base · Tacrolimus EQ 5MG Base
- Type
- Prescription (Rx)
- Brand or generic
- Generic
- May treat
- atopic dermatitis, graft vs host disease
- Manufacturer
- Dr Reddys
- What the pharmacy pays
- ~$0.65 per gm — not your price
- FDA application
- ANDA090509
- FDA boxed warning
- Yes — see the boxed warning
What is Tacrolimus?
From the FDA label:Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules USP. Tacrolimus USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as [3S-[3R*[E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off white granular powder. It is practically insoluble in water, freely soluble in methanol, ethanol, acetone, ehyl acetate, chloroform. Tacrolimus USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, lactose monohydrate and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow and titanium dioxide, the 1 mg capsule shell contains gelatin and titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, iron oxide black, and titanium…
How to use
Tacrolimus is sold in more than one form (Capsule, Capsule, extended release, Injectable and Topical), and each is dosed differently. The instructions below come from the FDA label for application ANDA090509 — follow the label that came with the product you were actually prescribed.
Intravenous (IV) use recommended for patients who cannot tolerate oralformulations (capsules). ( 2.1 , 2.2) • Administer capsules consistently with or without food.( 2.1) • Therapeutic drug monitoring is recommended. ( 2.1 , 2.6 ) • Avoid eating grapefruit or drinking grapefruit juice. (2.1 ) • See dosage adjustments for African-American patients (2.2) , hepatic and renal impaired. ( 2.4 , 2.5 ) • For complete dosing information, see Full Prescribing Information. ADULT Patient Population Initial OralDosage (formulation) Whole Blood Trough Concentration Range Kidney Transplant With azathioprine 0.2 mg/kg/day capsules, divided in two doses, every 12 hours Month 1 to 3: 7 to 20 ng/mL Month 4 to 12: 5 to 15 ng/mL With MMF/IL-2 receptor antagonist 0.1 mg/kg/day capsules, divided in two doses, every 12 hours Month 1 to 12: 4 to 11 ng/mL Liver Transplant With corticosteroids only 0.1 to 0.15 mg/kg/day capsules, divided in two doses, every 12 hours Month 1 to 12: 5 to 20 ng/mL Heart Transplant With azathioprine or MMF 0.075 mg/kg/day capsules, divided in two doses, every 12 hours Month 1 to 3: 10 to 20 ng/mL Month ≥ 4: 5 to 15 ng/mL PEDIATRIC Patient Population Initial Oral Dosage (formulation) Whole Blood Trough Concerntration Range Liver Transplant 0.15 to 0.2 mg/kg/day capsules divided in two doses, every 12 hours Month 1 to 12: 5 to 20 ng/mL MMF= Mycophenolate mofetil 1 Patients…
Side effects
The following serious and otherwise important 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 )] • New Onset Diabetes After Transplant [see Warnings and Precautions ( 5.4 ) ] • Nephrotoxicity [see Warnings and Precautions ( 5.5 )] • Neurotoxicity [see Warnings and Precautions ( 5.6 )] • Hyperkalemia [see Warnings and Precautions ( 5.7 )] • Hypertension [see Warnings and Precautions ( 5.8 )] • Anaphylactic Reactions with Tacrolimus Injection [see Warnings and Precautions ( 5.9 )] • Myocardial Hypertrophy [see Warnings and Precautions ( 5.13 )] • Pure Red Cell Aplasia [see Warnings and Precautions ( 5.15 )] • Thrombotic Microangiopathy, Including Hemolytic Uremic Syndrome and Thrombotic Thrombocytopenic Purpura [see Warnings and Precautions ( 5.16) ] The most common adverse reactions (≥ 15%) were abnormal renal function, hypertension, diabetes mellitus, fever, CMV infection, tremor, hyperglycemia, leukopenia, infection, anemia, bronchitis, pericardial effusion, urinary tract infection, constipation, diarrhea, headache, abdominal pain, insomnia, paresthesia, peripheral edema, nausea, hyperkalemia, hypomagnesemia, and hyperlipemia. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Dr. Reddy’s Laboratories Inc., at…
FDA Boxed Warning (the FDA’s most serious warning)
Boxed (black-box) warning — from the FDA label
MALIGNANCIES AND SERIOUS INFECTIONS • Increased risk for developing serious infections and malignancies with tacrolimus or other immunosuppressants that may lead to hospitalization or death. ( 5.1 , 5.2 ) WARNING: MALIGNANCIES AND SERIOUS INFECTIONS See full prescribing information for complete boxed warning . • Increased risk for developing serious infections and malignancies with tacrolimus or other immunosuppressants that may lead to hospitalization or death. ( 5.1 , 5.2 )
Warnings
Important safety information
Not Interchangeable with Extended-Release Tacrolimus Products-Medication Errors: Instruct patients or caregivers to recognize the appearance of tacrolimus capsules. ( 5.3 ) • New Onset Diabetes After Transplant: Monitor blood glucose. ( 5.4 ) • Nephrotoxicity (acute and/or chronic): Reduce the dose; use caution with other nephrotoxic drugs. ( 5.5 ) • Neurotoxicity: Including risk of Posterior Reversible Encephalopathy Syndrome (PRES); monitor for neurologic abnormalities; reduce or discontinue tacrolimus capsules. ( 5.6 ) • Hyperkalemia: Monitor serum potassium levels. Consider carefully before using with other agents also associated with hyperkalemia. ( 5.7 ) • Hypertension: May require antihypertensive therapy. Monitor relevant drug-drug interactions. ( 5.8 ) • Anaphylactic Reactions with IV formulation: Observe patients receiving tacrolimus injection for signs and symptoms of anaphylaxis. ( 5.9 ) • Not recommended for use with sirolimus: Not recommended in liver and heart transplant due to increased risk of serious adverse reactions. ( 5.10 ) • Myocardial Hypertrophy: Consider dose reduction/discontinuation. ( 5.13 ) • Immunizations: Avoid live vaccines. ( 5.14 ) • Pure Red Cell Aplasia: Consider discontinuation of tacrolimus. ( 5.15 ) • Thrombotic Microangiopathy, Including Hemolytic Uremic Syndrome and Thrombotic Thrombocytopenic Purpura: May occur, especially in patients with infections and certain concomitant medications. ( 5.16 ) 5.1 Lymphoma and Other Malignancies Patients receiving immunosuppressants, including tacrolimus, are at increased risk of developing lymphomas and other malignancies, particularly of the skin. The risk appears to be related to the intensity and duration of immunosuppression rather than to the use of any specific agent. As usual for patients with increased risk for skin cancer, examine patients for skin changes; exposure to sunlight and UV light should be limited by wearing protective clothing and using a broad-spectrum sunscreen with a high protection factor. Post-transplant lymphoproliferative disorder (PTLD) has been reported in immunosuppressed organ transplant recipients. The majority of PTLD events appear related to Epstein-Barr Virus (EBV) infection. The risk of PTLD appears greatest in those individuals who are EBV seronegative, a population which includes many young children. Monitor EBV serology during treatment. 5.2 Serious Infections Patients receiving immunosuppressants, including tacrolimus, are at increased risk of developing bacterial, viral, fungal, and protozoal infections, including opportunistic infections. These infections may lead to serious, including fatal, outcomes. Serious viral infections reported include: • Polyomavirus-associated nephropathy (PVAN), mostly due to BK virus infection • JC virus-associated progressive multifocal leukoencephalopathy (PML) • Cytomegalovirus infections: CMV seronegative transplant patients who receive an organ from a CMV seropositive donor disease are at higher risk of developing CMV viremia and CMV disease. Monitor for the development of infection and adjust the immunosuppressive regimen to balance the risk of rejection with the risk of infection [see Adverse Reactions ( 6.1 , 6.2) ]. 5.3 Not Interchangeable with Extended-Release Tacrolimus Products-Medication Errors Medication errors, including substitution and dispensing errors, between tacrolimus immediate-release products and tacrolimus extended-release products were reported outside the U.S. This led to serious adverse reactions, including graft rejection, or other adverse reactions due to under-or overexposure to tacrolimus. Tacrolimus is not interchangeable or substitutable for tacrolimus extended-release products. Changes between tacrolimus immediate-release and extended-release dosage forms must occur under physician supervision. Instruct patients and caregivers to recognize the appearance of tacrolimus dosage forms [see Dosage Forms and Strengths ( 3 ) ] and to confirm with the healthcare provider if a different product is dispensed. 5.4 New Onset Diabetes After Transplant Tacrolimus was shown to cause new onset diabetes mellitus in clinical trials of kidney, liver or heart transplantation. New onset diabetes after transplantation may be reversible in some patients. African-American and Hispanic kidney transplant patients are at an increased risk. Blood glucose concentrations should be monitored closely in patients using tacrolimus [see Adverse Reactions (6.1) ]. 5.5 Nephrotoxicity due to Tacrolimus capsules and Drug Interactions Tacrolimus, like other calcineurin inhibitors, can cause acute or chronic nephrotoxicity. in transplant patients due to its vasoconstrictive effect on renal vasculature, toxic tubulopathy and tubular-interstitial effects. Nephrotoxicity was reported in clinical trials [see Adverse Reactions ( 6.1) ]. Acute renal impairment associated with tacrolimus toxicity can result in high serum creatinine, hyperkalemia, decreased secretion of urea and hyperuricemia, and is usually reversible. In patients with elevated serum creatinine and tacrolimus whole blood trough concentrations greater than the recommended range, consider dosage reduction or temporary interruption of tacrolimus administration. The risk for nephrotoxicity may increase when tacrolimus is concomitantly administered with CYP3A inhibitors (by increasing tacrolimus whole blood concentrations) or drugs associated with nephrotoxicity (e.g., aminoglycosides, ganciclovir, amphotericin B, cisplatin, nucleotide reverse transcriptase inhibitors, protease inhibitors) . When tacrolimus is used concurrently with other known nephrotoxic drugs, monitor renal function and tacrolimus blood concentrations, and adjust doses of both tacrolimus and/or concomitant medications during concurrent use [see Drug Interactions ( 7.2 )]. 5.6 Neurotoxicity Tacrolimus may cause a spectrum of neurotoxicities. The most severe neurotoxicities include posterior reversible encephalopathy syndrome (PRES), delirium, seizure and coma; others include tremors, paresthesias, headache, mental status changes, and changes in motor and sensory functions [see Adverse Reactions (6.1 , 6.2 )] . As symptoms may be associated with tacrolimus whole blood trough concentrations at or above the recommended range, monitor for neurologic symptoms and consider dosage reduction or discontinuation of tacrolimus if neurotoxicity occurs. 5.7 Hyperkalemia Hyperkalemia has been reported with tacrolimus use. Serum potassium levels should be monitored. Careful consideration should be given prior to use of other agents also associated with hyperkalemia (e.g., potassium-sparing diuretics, ACE inhibitors, angiotensin receptor blockers) during tacrolimus therapy [see Adverse Reactions (6.1) ] . Monitor serum potassium levels periodically during treatment. 5.8 Hypertension Hypertension is a common adverse effect of tacrolimus therapy and may require antihypertensive therapy [see Adverse Reactions (6.1) ] . The control of blood pressure can be accomplished with any of the common antihypertensive agents, though careful consideration should be given prior to use of antihypertensive agents associated with hyperkalemia (e.g., potassium-sparing diuretics, ACE inhibitors, angiotensin receptor blockers) [see Warnings and Precautions ( 5.7 )] . Calcium-channel blocking agents may increase tacrolimus blood concentrations and therefore require dosage reduction of tacrolimus [see Drug Interactions (7.2 )] . 5.9 Anaphylactic Reactions with Tacrolimus Injection Anaphylactic reactions have occurred with injectables containing castor oil derivatives, including tacrolimus, in a small percentage of patients (0.6%). The exact cause of these reactions is not known. Tacrolimus injection should be reserved for patients who are unable to take tacrolimus orally. Monitor patients for anaphylaxis when using the intravenous route of administration [see Dosage and Administratio n ( 2.1 )]. 5.10 Not Recommended for…
Who should not take Tacrolimus
Tacrolimus capsules are contraindicated in patients with a hypersensitivity to tacrolimus. Tacrolimus injection is contraindicated in patients with a hypersensitivity to HCO-60 (polyoxyl 60 hydrogenated castor oil). Hypersensitivity symptoms reported include dyspnea, rash, pruritus, and acute respiratory distress syndrome [seeAdverse Reactions (6) ]. Hypersensitivity to tacrolimus or HCO-60 (polyoxyl 60 hydrogenated castor oil). ( 4 )
Overdose — what happens if you take too much
Limited overdosage experience is available. Acute overdosages of up to 30 times the intended dose have been reported. Almost all cases have been asymptomatic and all patients recovered with no sequelae. Acute overdosage was sometimes followed by adverse reactions consistent with those reported with the use of tacrolimus [see Adverse Reactions ( 6.1 , 6.2 )] including tremors, abnormal renal function, hypertension, and peripheral edema; in one case of acute overdosage, transient urticaria and lethargy were observed. Based on the poor aqueous solubility and extensive erythrocyte and plasma protein binding, it is anticipated that tacrolimus is not dialyzable to any significant extent; there is no experience with charcoal hemoperfusion. The oral use of activated charcoal has been reported in treating acute overdoses, but experience has not been sufficient to warrant recommending its use. General supportive measures and treatment of specific symptoms should be followed in all cases of overdosage.
U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.
Interactions
Mycophenolic Acid Products: Can increase MPA exposure after crossover from cyclosporine to tacrolimus; monitor for MPA-related adverse reactions and adjust MMF or MPA dose as needed. ( 7.1 ) • Nelfinavir and Grapefruit Juice: Increased tacrolimus concentrations via CYP3A inhibition; avoid concomitant use. ( 7.2 ) • CYP3A Inhibitors: Increased tacrolimus concentrations; monitor concentrations and adjust tacrolimus dose as needed. ( 5.11 , 7.2 ) • CYP3A4 Inducers: Decreased tacrolimus concentrations; monitor concentrations and adjust tacrolimus dose as needed. ( 5.11 , 7.2 ) • Therapeutic drug monitoring and dose reduction for tacrolimus should be considered when tacrolimus is co-administered with cannabidiol. ( 5.17 , 7.3 ) 7.1 Mycophenolic Acid When tacrolimus is prescribed with a given dose of a mycophenolic acid (MPA) product, exposure to MPA is higher with tacrolimus co-administration than with cyclosporine co-administration with MPA, because cyclosporine interrupts the enterohepatic recirculation of MPA while tacrolimus does not. Monitor for MPA-associated adverse reactions and reduce the dose of concomitantly administered mycophenolic acid products as needed. 7.2 Effects of Other Drugs on Tacrolimus Table 15 displays the effects of other drugs on tacrolimus Table 15: Effects of Other Drugs/Substances on Tacrolimus * Drug/Substance Class or Name Drug Interaction Effect Recommendations Grapefruit or grapefruit juice † May increase tacrolimus whole blood trough concentrations and increase the risk of serious adverse reactions (e.g., neurotoxicity, QT prolongation) [see Warnings and Precautions ( 5.6 , 5.11 , 5.12 )] . Avoid grapefruit or grapefruit juice. Strong CYP3A Inducers ‡ : Antimycobacterials (e.g., rifampin, rifabutin), anticonvulsants (e.g., phenytoin, carbamazepine and phenobarbital), St John’s Wort May decrease tacrolimus whole blood trough concentrations and increase the risk of rejection [see Warnings and Precautions ( 5.11 )]. Increase tacrolimus dose and monitor tacrolimus whole blood trough concentrations [see Dosage and Administration ( 2.2 , 2.6 ) and Clinical Pharmacology ( 12.3 )]. Strong CYP3A Inhibitors ‡ : Protease inhibitors (e.g., nelfinavir, telaprevir, boceprevir, ritonavir), azole antifungals (e.g., voriconazole, posaconazole, itraconazole, ketoconazole), antibiotics (e.g., clarithromycin, troleandomycin, chloramphenicol), nefazodone, letermovir, Schisandra sphenanthera extracts May increase tacrolimus whole blood trough concentrations and increase the risk of serious adverse reactions (e.g., neurotoxicity, QT prolongation) A rapid, sharp rise in tacrolimus levels may occur early, despite an immediate reduction of tacrolimus dose [see Warnings and Precautions( 5.6 , 5.11, 5.12 )] . Reduce tacrolimus dose (for voriconazole and posaconazole, give one-third of the original dose) and adjust dose based on tacrolimus whole blood trough concentrations [see Dosage and Administration ( 2.2 , 2.6 ) and Clinical Pharmacology ( 12.3 )]. Early and frequent monitoring of tacrolimus whole blood trough levels should start within 1 to 3 days and continue monitoring as necessary [see Warnings and Precautions ( 5.11 )]. Mild or Moderate CYP3A Inhibitors: Clotrimazole, antibiotics (e.g., erythromycin, fluconazole), calcium channel blockers (e.g., verapamil, diltiazem, nifedipine, nicardipine), amiodarone, danazol, ethinyl estradiol, cimetidine, lansoprazole and omeprazole May increase tacrolimus whole blood trough concentrations and increase the risk of serious adverse reactions (e.g., neurotoxicity, QT prolongation) [see Warnings and Precautions ( 5.6 , 5.11 , 5.12 )]. Monitor tacrolimus whole blood trough concentrations and reduce tacrolimus dose if needed [see Dosage and Administration ( 2.2 , 2.6 ) and Clinical Pharmacology ( 12.3 )]. Other drugs, such as: Magnesium and aluminum hydroxide antacids Metoclopramide May increase tacrolimus whole blood trough concentrations and increase the risk of serious adverse reactions (e.g., neurotoxicity, QT prolongation) [see Warnings and Precautions ( 5.6 , 5.11 , 5.12 )]. Monitor tacrolimus whole blood trough concentrations and reduce tacrolimus dose if needed [see Dosage and Administration ( 2.2 , 2.6 ) and Clinical Pharmacology ( 12.3 ) ]. Mild or Moderate CYP3A Inducers Methylprednisolone, prednisone May decrease tacrolimus whole blood trough concentrations. Monitor tacrolimus whole blood trough concentrations and adjust tacrolimus dose if needed [see Dosage and Administration ( 2.2 , 2.6 )]. Caspofungin May decrease tacrolimus whole blood trough concentrations. Monitor tacrolimus whole blood trough concentrations and adjust tacrolimus capsules dose if needed [see Dosage and Administration ( 2.2 , 2.6 )]. * Tacrolimus dosage adjustment recommendation based on observed effect of coadministered drug on tacrolimus exposures [see Clinical Pharmacology( 12.3 )], literature reports of altered tacrolimus exposures, or the other drug’s known CYP3A inhibitor/inducer status. † High dose or double strength grapefruit juice is a strong CYP3A inhibitor; low dose or single strength grapefruit juice is a moderate CYP3A inhibitor. ‡ Strong CYP3A inhibitor/inducer, based on reported effect on exposures to tacrolimus along with supporting in vitro CYP3A inhibitor/inducer data, or based on drug-drug interaction studies with midazolam (sensitive CYP3A probe substrate). Direct Acting Antiviral (DAA) Therapy The pharmacokinetics of tacrolimus may be impacted by changes in liver function during DAA therapy, related to clearance of HCV virus. Close monitoring and potential dose adjustment of tacrolimus is warranted to ensure continued efficacy and safety [see Dosage and Administration ( 2.2 , 2.6 )]. 7.3 Cannabidiol The blood levels of tacrolimus may increase upon concomitant use with cannabidiol. When cannabidiol and tacrolimus are co-administered, closely monitor for an increase in tacrolimus blood levels and for adverse reactions suggestive of tacrolimus toxicity. A dose reduction of tacrolimus should be considered as needed when ta crolimus is co-administered with cannabidiol [see Dosage and Administration ( 2.2 , 2.6 )and Warnings and Precautions ( 5.17 )].
Foods & drinks to be careful with
Well-established interactions for this medicine’s drug class, summarized from public health authorities. General information, not medical advice — always confirm with your pharmacist or the label.
Grapefruit & grapefruit juice
Watch out for: grapefruit and grapefruit juice (and, for some drugs, Seville oranges).
Grapefruit blocks a gut enzyme (CYP3A4) that normally breaks this medicine down, so more of it can enter your blood — raising the risk of side effects.
What to do: Avoid grapefruit and grapefruit juice with this medicine unless your pharmacist or the label says it's fine — check, because not every drug in a class is affected the same way.
Source: Grapefruit Juice and Some Drugs Don't Mix — U.S. FDA
Drug class
How this class works, per Calcineurin Inhibitors - StatPearls - NCBI Bookshelf.
May treat (source: NIH RxClass)
See how Tacrolimus ranks — best-rated calcineurin inhibitor immunosuppressant for:
Dosage forms
Capsule, Capsule, extended release, Injectable and Topical
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
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Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
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Frequently asked questions
- What does Tacrolimus treat?
- Tacrolimus (Tacrolimus) may be used to treat atopic dermatitis, graft vs host disease, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
- How does Tacrolimus work?
- Tacrolimus is a calcineurin inhibitor immunosuppressant. Calcineurin inhibitors block an enzyme called calcineurin inside immune T-cells, which stops the cells from making interleukin-2 and other signaling chemicals. This keeps T-cells from activating and multiplying, dialing down the immune attack that drives organ rejection or autoimmune disease.
- How much does Tacrolimus cost?
- Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $0.65 per gm, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins.
- Is there a coupon or discount for Tacrolimus?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Tacrolimus. To pay less, Tacrolimus is already a generic — usually the lowest-cost version — so the main levers are comparing cash prices between pharmacies and using a pharmacy discount-card service. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Tacrolimus?
- Tacrolimus is marketed by Dr Reddys. You can see Dr Reddys's full profile, rating, and other products on pharmaranks.
- Is Tacrolimus a brand-name or generic drug?
- Tacrolimus is a generic medication; its active ingredient is Tacrolimus. Generics contain the same active ingredient as the brand-name original and are usually lower cost.
- Is Tacrolimus available over the counter?
- No. Tacrolimus is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Tacrolimus come in?
- Tacrolimus is currently marketed as capsule, capsule, extended release, injectable and topical, per the FDA's National Drug Code Directory.
- What class of drug is Tacrolimus?
- Tacrolimus is classified as calcineurin inhibitor immunosuppressant, per the FDA's Established Pharmacologic Class.
- Is Tacrolimus FDA-registered?
- Tacrolimus is on record with the U.S. FDA under application number ANDA090509. You can verify this on its official FDA label.
- Is Tacrolimus safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Tacrolimus. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Tacrolimus?
- Tacrolimus's side effects are taken directly from its FDA label. From the label: The following serious and otherwise important 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 )] • New Onset Diabetes After Transplan… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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