What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Tirosint

Sezzle
Brand

Tirosint (Levothyroxine)

Prescription Required

Strength
Qty
13mcg
13mcg Solution
25mcg
25mcg Solution
50mcg
50mcg Solution
75mcg
75mcg Solution
88mcg
88mcg Solution
100mcg
100mcg Solution
112mcg
112mcg Solution
125mcg
125mcg Solution
137mcg
137mcg Solution
150mcg
150mcg Solutions
175mcg
175mcg Solution
200mcg
200mcg Solution

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  • Product Details

    Description

    What is the medicine Tirosint used for?

    Tirosint is a prescription medication used to treat hypothyroidism and pituitary thyrotropin suppression.

    Levothyroxine sodium is the generic name for Tirosint. 

    Tirosint is L-thyroxine (T4).

    Tirosint comes in 13 mcg, 25 mcg, 50 mcg, 75 mcg, 88 mcg, 100 mcg, 112 mcg, 125 mcg, 137 mcg, 150 mcg, 175 mcg, and 200 mcg oral capsules.


    Fact Table

    Formula

    C15H11I4NO4

    License

    US DailyMed, EU EMA

    Bioavailability

    40-80%

    Legal status

    Rx-only

    Chemical Name

    Levothyroxine

    Elimination half-life

    7 days

    Dosage (Strength)

    13mcg Solution - 200mcg Solution, 13mcg - 200mcg

    Pregnancy

    Safe

    Brands

    Tirosint

    Protein binding

    More than 80%

    PubChem CID

    5819

    MedlinePlus

    a682461

    ChEBI

    18332

    ATC code

    H03AA01

    DrugBank

    DB00451

    KEGG

    D08125

    Routes of administration

    By mouth, intravenous

    Directions

    Take Tirosint as prescribed by your doctor. Talk to your doctor or pharmacist about any questions or concerns that arise.

    Tirosint is recommended to be given by mouth once daily on an empty stomach, 30 minutes to one hour before breakfast. In addition, it should be taken at least four hours before or after medications that can affect Tirosint's absorption, such as calcium carbonate, ferrous sulfate, and bile acid sequestrants. The capsules should be swallowed whole-do not cut, crush, or chew them.

    Tirosint doses depend on age, weight, medical conditions, and the condition being treated. Your doctor will tell you how much Tirosint you should take.

    Ingredients

    The active ingredient in Tirosint is levothyroxine sodium. Inactive ingredients include gelatin, glycerin, and water. 

    Contraindications

    Patients with uncorrected adrenal insufficiency should not take Tirosint.

    Cautions

    Tirosint (levothyroxine sodium) contains an FDA Boxed Warning against its use for treating obesity or for weight loss. Doses that exceed daily hormonal requirements can cause serious or life-threatening toxicity. 

    • Before you start taking Tirosint, discuss the following with your doctor:
      • All the medications you take, including prescription and over-the counter medications, herbals, and supplements.
      • Your allergies.
      • Your health history and current medical problems.
      • If you are pregnant or breastfeeding.
    • The risk of cardiac events such as atrial fibrillation is increased with the use of Tirosint; therefore, elderly patients and patients with cardiovascular disease should take less than the full replacement dose.
    • Tirosint should not be used to treat myxedema coma.
    • Patients who have an acute adrenal crisis with adrenal insufficiency should not start taking Tirosint until they are treated with replacement glucocorticoids.
    • Dosing should be properly titrated and carefully monitored to prevent hypothyroidism or hyperthyroidism.
    • Tirosint may worsen blood sugar levels that result in increased antidiabetic medication or insulin requirements. Blood sugars should be carefully monitored during treatment and after stopping treatment with Tirosint.
    • Taking too much Tirosint can decrease bone mineral density.

    Side Effects

    Tirosint side effects include abnormal heart rhythms, heart attack, shortness of breath, muscle spasms, headache, nervousness, irritability, trouble sleeping, tremors, muscle weakness, increased appetite, weight loss, diarrhea, heat intolerance, irregular menstruation, and skin rash; however, these are not all the side effects that may occur. Call your doctor immediately if you develop side effects that bothers ou or won't go away.

    Looking for a competitive Tirosint cost? You can buy Tirosint online at a competitive price and with a valid prescription from your doctor at Canada Pharmacy.

    Reference:

    Tirosint (levothyroxine sodium). Parsippany, NJ: IBSA Pharma Inc.; 2018.




    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 13165

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