Levothyroxine Sodium
Tirosint 30 Capsules
What is Levothyroxine Sodium?
Tirosint is a medication used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It helps restore normal hormone levels, improving energy and overall well-being.Side Effects
- Seizures or tremors
- Fast, pounding, or uneven heartbeat
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Warnings
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, heart or blood vessel disease, anemia, blood clotting problems, diabetes, osteoporosis, pituitary gland problems, or adrenal gland problems. Tell your doctor if you have recently received radiation treatment with iodine.
- This medicine may cause the following problems:Heart problems, including angina (chest pain), heart rhythm problemsLow bone density
- This medicine should not be used to treat obesity or as part of a treatment plan for a weight control program.
- Tell any doctor or dentist who treats you that you are taking this medicine.
Prescription savings · · · ·
What is Levothyroxine Sodium ?
Tirosint is a medication used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It helps restore normal hormone levels, improving energy and overall well-being.- Seizures or tremors
- Fast, pounding, or uneven heartbeat
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Chest pain that may spread, trouble breathing, unusual sweating, fainting
- Confusion, swelling of the face, tongue, or lower legs, feeling cold, unusual tiredness or weakness
- Dizziness, lightheadedness, stomach pain
- Severe headache, blurred or double vision, nausea, vomiting (in children)
- Walking with a limp, knee or hip pain (in children)
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, heart or blood vessel disease, anemia, blood clotting problems, diabetes, osteoporosis, pituitary gland problems, or adrenal gland problems. Tell your doctor if you have recently received radiation treatment with iodine.
- This medicine may cause the following problems:Heart problems, including angina (chest pain), heart rhythm problemsLow bone density
- This medicine should not be used to treat obesity or as part of a treatment plan for a weight control program.
- Tell any doctor or dentist who treats you that you are taking this medicine.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Levothyroxine Sodium Coupons & Prices
Tirosint 30 Capsules
Weight-loss medication, prescribed online
Licensed U.S. providers · No insurance needed · Shipped to your door
Looking for a Tirosint coupon? Tirosint (levothyroxine sodium) is a brand-name synthetic thyroid hormone used to treat hypothyroidism, sold as a soft gel capsule, with Tirosint-SOL available as an oral solution. If your pharmacy price is high or the manufacturer savings card is declined, an Rx.com cash coupon can lower what you pay at the pharmacy counter. Enter your ZIP above to see today's price on Tirosint near you.
What is Tirosint and how does it work?
Tirosint is a brand of levothyroxine sodium, a synthetic form of the thyroid hormone T4 (thyroxine). It is FDA-approved to treat hypothyroidism (low thyroid hormone) as replacement or supplemental therapy for most causes, except transient hypothyroidism during recovery from subacute thyroiditis. Doctors also prescribe levothyroxine to suppress pituitary TSH in managing certain thyroid conditions such as euthyroid goiter and thyroid nodules, and as an adjunct to surgery and radioiodine in thyroid cancer. It replaces the hormone your thyroid gland cannot make in adequate amounts.
What sets Tirosint apart is its simple formulation: the soft gel capsule and the Tirosint-SOL oral solution are made without gluten, dyes, lactose, or alcohol, which is why they are often chosen for patients with absorption issues or sensitivities to common tablet fillers. Tirosint is not indicated for weight loss.
Tirosint cost: manufacturer savings card vs. Rx.com cash coupon
The maker of Tirosint runs an official manufacturer savings program (described on the brand's website, tirosint.com) that can reduce out-of-pocket cost for eligible patients. As with most drug-maker cards, it is generally limited to people with commercial (non-government) insurance, and the terms, eligibility, and expiration vary, so read the current details before you rely on it. These cards typically cannot be used if you are uninsured or covered by Medicare, Medicaid, or another federal program.
That is where an Rx.com cash coupon helps. It is a discount you can use whether you are uninsured, on Medicare, or simply were turned away from the manufacturer card, and you present it instead of running the claim through insurance. You cannot combine a cash coupon with your insurance on the same fill, so compare both and use whichever is lower. Enter your ZIP above to see today's Tirosint price near you.
- Biggest savings lever: ask whether generic levothyroxine is right for you. Generic levothyroxine sodium tablets are widely available and typically cost far less than brand Tirosint. Note that the Tirosint soft gel capsule and Tirosint-SOL solution are brand-only formulations, so there is no substitutable generic of those specific products, but a generic levothyroxine tablet may be an option if you do not need the dye- and lactose-free capsule.
- If cost is a hardship: ask the manufacturer or your pharmacist whether a patient-assistance or copay-support option is available for your situation.
Tirosint vs. Synthroid and other levothyroxine brands
All of these products contain the same active ingredient, levothyroxine sodium (T4). The differences come down to formulation, inactive ingredients, and cost. Because levothyroxine has a narrow therapeutic index, many clinicians recommend staying on the same product once your dose is stable, since switching brands or manufacturers can slightly change how much hormone you absorb.
- Synthroid — a long-established brand tablet of levothyroxine.
- Levoxyl and Unithroid — other brand levothyroxine tablets.
- Tirosint-SOL — the liquid oral-solution version of Tirosint, useful when swallowing capsules is difficult.
- Generic levothyroxine — the lowest-cost option for most people who can use a standard tablet.
Tirosint's draw is its gluten-, dye-, and lactose-free makeup. A separate medicine, Cytomel (liothyronine), is a T3 hormone that is sometimes added but is not the same as levothyroxine. Your provider can advise which product fits your needs.
Safety and how to take Tirosint
Levothyroxine products, including Tirosint, carry an FDA boxed warning: thyroid hormone should not be used, alone or combined with other drugs, to treat obesity or for weight loss. In people with normal thyroid function, normal doses do not help with weight, and larger doses can cause serious or even life-threatening toxicity, especially if combined with stimulant (sympathomimetic) drugs such as amphetamines. Because the dose is finely tuned, your provider monitors your TSH blood level and adjusts gradually. Too much thyroid hormone can strain the heart (rapid or irregular heartbeat, chest pain) and, over the long term, lower bone density. Signs you may be getting too much include a fast or irregular heartbeat, chest pain, tremor, trouble sleeping, sweating, and unexpected weight loss.
Extra caution is advised in older adults and people with heart disease (start low, go slow), and levothyroxine should not be used in untreated adrenal insufficiency. For best absorption, take Tirosint on an empty stomach with water, typically 30 to 60 minutes before breakfast, and separate it from calcium, iron, and antacids by several hours, since these reduce how much you absorb. This is general information, not medical advice; talk with your doctor or pharmacist about your specific situation.
This Levothyroxine Sodium information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Levothyroxine Sodium on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
Related Drugs
Browse more medications: starting with T · full A-Z directory · by condition · common drugs
Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.