Leflunomid Gebro 20mg Dosage

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Dosage of Leflunomid Gebro 20mg in details

The dose of a drug and dosage of the drug are two different terminologies. Dose is defined as the quantity or amount of medicine given by the doctor or taken by the patient at a given period. Dosage is the regimen prescribed by the doctor about how many days and how many times per day the drug is to be taken in specified dose by the patient. The dose is expressed in mg for tablets or gm, micro gm sometimes, ml for syrups or drops for kids syrups. The dose is not fixed for a drug for all conditions, and it changes according to the condition or a disease. It also changes on the age of the patient.
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Leflunomid Gebro 20mg Dosage

Generic name: Leflunomid Gebro 20mg 10mg

Dosage form: tablet, film coated

The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.

Recommended Dosage

The recommended dosage of Leflunomid Gebro 20mg is 20 mg once daily. Treatment may be initiated with or without a loading dose, depending upon the patient's risk of Leflunomid Gebro 20mg-associated hepatotoxicity and Leflunomid Gebro 20mg-associated myelosuppression. The loading dosage provides steady-state concentrations more rapidly.

The maximum recommended daily dosage is 20 mg once per day. Consider dosage reduction to 10 mg once daily for patients who are not able to tolerate 20 mg daily (i.e., for patients who experience any adverse events listed in Table 1).

Monitor patients carefully after dosage reduction and after stopping therapy with Leflunomid Gebro 20mg, since the active metabolite of Leflunomid Gebro 20mg, teriflunomide, is slowly eliminated from the plasma. After stopping Leflunomid Gebro 20mg treatment, an accelerated drug elimination procedure is recommended to reduce the plasma concentrations of the active metabolite, teriflunomide. Without use of an accelerated drug elimination procedure, it may take up to 2 years to reach undetectable plasma teriflunomide concentrations after stopping Leflunomid Gebro 20mg.

Evaluation and Testing Prior to Starting Leflunomid Gebro 20mg

Prior to starting Leflunomid Gebro 20mg treatment the following evaluations and tests are recommended:

More about Leflunomid Gebro 20mg (Leflunomid Gebro 20mg)

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What other drugs will affect Leflunomid Gebro 20mg?

Before taking Leflunomid Gebro 20mg, tell your doctor if you are taking cholestyramine (Questran, Prevalite, LoCHOLEST) or rifampin (Rifadin, Rimactane).

Also tell your doctor if you are using medications that can weaken your immune system, such as:

Leflunomid Gebro 20mg can harm your liver. This effect is increased when you also use other medicines harmful to the liver, such as:

This list is not complete and other drugs may interact with Leflunomid Gebro 20mg. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Leflunomid Gebro 20mg interactions

Interactions are the effects that happen when the drug is taken along with the food or when taken with other medications. Suppose if you are taking a drug Leflunomid Gebro 20mg, it may have interactions with specific foods and specific medications. It will not interact with all foods and medications. The interactions vary from drug to drug. You need to be aware of interactions of the medicine you take. Most medications may interact with alcohol, tobacco, so be cautious.
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Following oral administration, Leflunomid Gebro 20mg is metabolized to an active metabolite, teriflunomide, which is responsible for essentially all of Leflunomid Gebro 20mg's in vivo activity. Drug interaction studies have been conducted with both Leflunomid Gebro 20mg (Leflunomid Gebro 20mg) and with its active metabolite, teriflunomide, where the metabolite was directly administered to the test subjects.

Effect of Potent CYP and Transporter Inducers

Leflunomid Gebro 20mg is metabolized by CYP450 metabolizing enzymes. Concomitant use of Leflunomid Gebro 20mg and rifampin, a potent inducer of CYP and transporters, increased the plasma concentration of teriflunomide by 40%. However, when co-administered with the metabolite, teriflunomide, rifampin did not affect its pharmacokinetics. No dosage adjustment is recommended for Leflunomid Gebro 20mg when coadministered with rifampin. Because of the potential for Leflunomid Gebro 20mg concentrations to continue to increase with multiple dosing, caution should be used if patients are to be receiving both Leflunomid Gebro 20mg and rifampin.

Effect on CYP2C8 Substrates

Teriflunomide is an inhibitor of CYP2C8 in vivo. In patients taking Leflunomid Gebro 20mg, exposure of drugs metabolized by CYP2C8 (e.g., paclitaxel, pioglitazone, repaglinide, rosiglitazone) may be increased. Monitor these patients and adjust the dose of the concomitant drug(s) metabolized by CYP2C8 as required.

Effect on Warfarin

Coadministration of Leflunomid Gebro 20mg with warfarin requires close monitoring of the international normalized ratio (INR) because teriflunomide, the active metabolite of Leflunomid Gebro 20mg, may decrease peak INR by approximately 25%.

Effect on oral Contraceptives

Teriflunomide may increase the systemic exposures of ethinylestradiol and levonorgestrel. Consideration should be given to the type or dose of contraceptives used in combination with Leflunomid Gebro 20mg.

Effect on CYP1A2 Substrates

Teriflunomide, the active metabolite of Leflunomid Gebro 20mg, may be a weak inducer of CYP1A2 in vivo. In patients taking Leflunomid Gebro 20mg, exposure of drugs metabolized by CYP1A2 (e.g., alosetron, duloxetine, theophylline, tizanidine) may be reduced. Monitor these patients and adjust the dose of the concomitant drug(s) metabolized by CYP1A2 as required.

Effect on Organic Anion Transporter 3 (OAT3) Substrates

Teriflunomide inhibits the activity of OAT3 in vivo. In patients taking Leflunomid Gebro 20mg, exposure of drugs which are OAT3 substrates (e.g., cefaclor, cimetidine, ciprofloxacin, penicillin G, ketoprofen, furosemide, methotrexate, zidovudine) may be increased. Monitor these patients and adjust the dose of the concomitant drug(s) which are OAT3 substrates as required.

Effect on BCRP and Organic Anion Transporting Polypeptide B1 and B3 (OATP1B1/1B3) Substrates

Teriflunomide inhibits the activity of BCRP and OATP1B1/1B3 in vivo. For a patient taking Leflunomid Gebro 20mg, the dose of rosuvastatin should not exceed 10 mg once daily. For other substrates of BCRP (e.g., mitoxantrone) and drugs in the OATP family (e.g., methotrexate, rifampin), especially HMG-Co reductase inhibitors (e.g., atorvastatin, nateglinide, pravastatin, repaglinide, and simvastatin), consider reducing the dose of these drugs and monitor patients closely for signs and symptoms of increased exposures to the drugs while patients are taking Leflunomid Gebro 20mg.


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References

  1. DailyMed. "LEFLUNOMIDE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
  2. FDA/SPL Indexing Data. "G162GK9U4W: The UNique Ingredient Identifier (UNII) is an alphanumeric substance identifier from the joint FDA/USP Substance Registration System (SRS).". https://www.fda.gov/ForIndustry/Data... (accessed September 17, 2018).
  3. MeSH. "Immunosuppressive Agents". https://www.ncbi.nlm.nih.gov/mesh/68... (accessed September 17, 2018).

Reviews

The results of a survey conducted on ndrugs.com for Leflunomid Gebro 20mg are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Leflunomid Gebro 20mg. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.

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Information checked by Dr. Sachin Kumar, MD Pharmacology

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