
SINTROCID T4 (SYNTHROID) INDICATIONS
Sintrocid T4 is used for treating low thyroid hormone levels and certain types of goiters. It is also used with surgery and other medicines for managing certain types of thyroid cancer. Sintrocid T4 is a thyroid hormone. It works by replacing thyroid hormone when your body does not make enough on its own.
SINTROCID T4 (SYNTHROID) INSTRUCTIONS
SINTROCID T4 (SYNTHROID) INDICATIONS
Sintrocid T4 is used for treating low thyroid hormone levels and certain types of goiters. It is also used with surgery and other medicines for managing certain types of thyroid cancer. Sintrocid T4 is a thyroid hormone. It works by replacing thyroid hormone when your body does not make enough on its own.
SINTROCID T4 (SYNTHROID) INSTRUCTIONS
Use Sintrocid T4 as directed by your doctor.
- Take Sintrocid T4 by mouth on an empty stomach at least one-half to one hour before breakfast.
- Do not take an antacid or a product that has iron or calcium in it within 4 hours of taking Sintrocid T4.
- If the patient is a child or if you cannot swallow the tablet whole, you may crush the correct dose of the medicine. Add the crushed medicine to 1 to 2 teaspoons (5 to 10 mL) of water. Mix well. Use a spoon or dropper to give the medicine as soon as possible. Do not store the mixture for later use. Do not mix crushed tablets in soybean infant formula. Ask your pharmacist if you have any questions.
- Sintrocid T4 works best if it is taken at the same time each day.
- Continue to take Sintrocid T4 even if you feel well. Do not miss any dose.
- It may take several weeks before you notice an improvement in your symptoms. Do not stop or change your dose of Sintrocid T4 without first checking with your doctor.
- If you miss a dose of Sintrocid T4, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Sintrocid T4.
SINTROCID T4 (SYNTHROID) STORAGE
Store Sintrocid T4 between 68 and 77 degrees F (20 and 25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Protect from heat, light, and moisture. Do not store in the bathroom. Keep Sintrocid T4 out of the reach of children and away from pets.
SINTROCID T4 (SYNTHROID) MORE INFO:
Active Ingredient:Levothyroxine sodium.
Do NOT use Sintrocid T4 if:
- you are allergic to any ingredient in Sintrocid T4
- you have untreated adrenal gland problems or high thyroid hormone levels
- you have had a recent heart attack.
Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with Sintrocid T4. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have trouble swallowing, heart or blood vessel problems (eg, coronary artery disease), high blood pressure, blood clotting or bleeding problems, pernicious anemia, diabetes, bone problems (eg, osteoporosis), fertility problems, pituitary problems, adrenal gland problems, or other thyroid problems
- if you have problems absorbing nutrition from your stomach or intestines into your body
- if you had a recent surgery or have an upcoming surgery.
Some medicines may interact with Sintrocid T4. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Many prescription and nonprescription medicines (eg, used for infections, inflammation, aches and pains, nasal congestion, asthma, high blood pressure, irregular heartbeat or other heart problems, blood thinning, mental or mood problems, depression, diabetes, other thyroid problems, high cholesterol, hepatitis, weight loss, heartburn, birth control, hormone replacement therapy, growth hormone deficiency, cancer, seizures), and multivitamin products may interact with Sintrocid T4, increasing the risk of side effects or decreasing effectiveness.
This may not be a complete list of all interactions that may occur. Ask your health care provider if Sintrocid T4 may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Important safety information:
- It is important to take Sintrocid T4 exactly as prescribed. Do not take more than the prescribed dose without checking with your doctor.
- Tell your doctor or dentist that you take Sintrocid T4 before you receive any medical or dental care, emergency care, or surgery.
- Diabetes patients - Sintrocid T4 may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Foods that contain soybean flour (including infant formula), cottonseed meal, walnuts, or dietary fiber may decrease the absorption of Sintrocid T4. Tell your doctor if your diet includes any of these foods. Your doctor may need to change your dose of Sintrocid T4.
- Mild hair loss may rarely occur during the first few months of treatment with Sintrocid T4. This is usually temporary. Contact your doctor if hair loss is severe or persistent.
- Lab tests, including thyroid hormone level and growth checks, may be performed while you use Sintrocid T4. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Use Sintrocid T4 with caution in the elderly; they may be more sensitive to its effects, especially heart problems.
- Children and teenagers may need regular growth checks while they take Sintrocid T4.
- Pregnancy and breast-feeding: If you become pregnant, contact your doctor. Your doctor may need to change your dose of Sintrocid T4. Sintrocid T4 is found in breast milk. If you are or will be breast-feeding while you use Sintrocid T4, check with your doctor. Discuss any possible risks to your baby.
All medicines may cause side effects, but many people have no, or minor, side effects.
No common side effects have been reported with the use of Sintrocid T4.
Severe allergic reactions (rash; hives; itching; difficulty breathing; flushing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); changes in appetite; changes in menstrual periods; chest pain; diarrhea; excessive sweating; fast or irregular heartbeat; fever; heat intolerance; joint pain; leg cramps; mental or mood changes (eg, anxiety, irritability, nervousness); muscle weakness; seizures; severe or persistent headache or fatigue; shortness of breath; stomach cramps; tremors; trouble sleeping; unusual weight gain or weight loss; vomiting; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider.