Triostat

Generic name: Liothyronine
Drug class: Thyroid drugs

Usage of Triostat

Liothyronine is used to treat myxedema coma or precoma, a very serious complication of hypothyroidism. Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormone .

Liothyronine injection can be used as a substitute for the oral dose when a rapid effect is needed and when the oral route is not allowed .

This medicine is available only with your doctor's prescription .

Triostat side effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

Dizziness

fainting

fast, slow, or irregular heartbeat

Less common

Bluish color

blurred vision

changes in skin color

chest pain or discomfort

chest tightness or heaviness

confusion

decreased urine output

dilated neck veins

dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly

extreme fatigue

fever

headache

heart stops

irregular breathing

nausea

nervousness

no breathing

no pulse or blood pressure

pain or discomfort in arms, jaw, back or neck

pain, tenderness, swelling of foot or leg

pounding in the ears

shortness of breath

sweating

swelling of face, fingers, feet, or lower legs

troubled breathing

unconscious

unusual tiredness or weakness

vomiting

weight gain

wheezing

Symptoms of overdose

Cold clammy skin

increased bowel movements

irritability

lightheadedness

menstrual changes

shakiness in legs, arms, hands, feet

trembling or shaking of hands or feet

weak pulse

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

Twitching

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Before taking Triostat

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Limited information is available on the relationship of age to the effects of liothyronine injection in the pediatric population. Safety and efficacy have not been established .

Geriatric

Appropriate studies performed to date have not demonstrated geriatrics-specific problems that would limit the usefulness of liothyronine in the elderly. However, elderly patients are more likely to have age-related kidney or heart and blood vessel problems, which may require adjustment of dosage in patients receiving liothyronine .

Breast Feeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with Medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Furosemide

Iopromide

Midodrine

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Ethinyl Estradiol

Kelp

Sevelamer

Sodium Polystyrene Sulfonate

Interactions with Food/Tobacco/Alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

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How to use Triostat

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

For injection dosage form:

For the treatment of myxedema coma or precoma:

Adults—25 to 50 micrograms (mcg) injected into a vein. Doses are normally given at least 4 to 12 hours apart. People with very serious conditions caused by too little thyroid hormone may need higher doses. Lower doses (10 to 20 mcg) may be given to patients with known or suspected cardiovascular disease.

Children—Use and dose must be determined by your doctor .

Warnings

It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. Blood and urine tests will be needed to check for unwanted effects .

Liothyronine should not be given to patients who are also using artificial rewarmers .

Liothyronine should not be used for the treatment of obesity or for the purpose of losing weight. This medicine is ineffective for weight reduction and when taken in larger amount, it may cause more serious medical conditions .

Hypothyroidism can sometimes cause infertility in men and women. Liothyronine should not be used for the treatment of infertility unless it is caused by hypothyroidism .

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