Side effects
In the event that you experience: For medical advice about side effects, contact your doctor. Older adults may be more susceptible to some side effects. Levothyroxine side effects frequently reported include: If you experience any of the following symptoms of a levothyroxine allergy: hives, difficulty breathing, swelling of your face, lips, tongue, or throat, seek emergency medical attention. Inverse effects of levothyroxine This is not a complete list of side effects and others may occur. Call 1-800-FDA-1088 to report side effects to the FDA. Chest pain, irregular heartbeats, shortness of breath, headaches, cramps in the legs, muscle pain or weakness, tremors, feeling anxious or agitated, trouble falling asleep, increased appetite, feeling hot, weight loss, changes in your menstrual cycle, diarrhea, or skin rash and partial hair loss. If you experience any of the following symptoms, seek medical attention right away: rapid or irregular heartbeats; chest pain that spreads to your jaw or shoulder; shortness of breath; fever, hot flashes, sweating; tremors; or if you feel unusually cold; weakness, fatigue, sleep issues (insomnia); memory issues; feeling depressed or irritable; headache; leg cramps; feeling nervous; hair loss; dryness of your skin or hair; irregular menstrual periods; or vomiting
Interactions
Levothyroxine additionally affects how your body reacts to other medications. To learn more, consult your physician or pharmacist. Levothyroxine is metabolized and absorbed differently by different medications, which may alter how levothyroxine interacts with your body. In addition to vitamins and herbal supplements, make sure your doctor is aware of all the medications you are taking, both prescription and over-the-counter. The following medications may interact with levothyroxine: amphetamines, anticoagulants ('blood thinners') like warfarin (Coumadin), antidepressants or anti-anxiety medications, aspirin, beta-blockers like metoprolol (Lopressor, Toprol), propranolol (Inderal), or timolol (Blocadren, Timoptic), cancer chemotherapy agents, diabetes medications (insulin and tablets
Contraindications
Tell your doctor and pharmacist about all of the prescription and over-the-counter medicines, vitamins, dietary supplements, and herbal products you are currently taking or intend to take. Inform your doctor and pharmacist if you have any allergies prior to taking levothyroxine, whether it be to the medication, the thyroid hormone, any other drugs, or any of the components found in levothyroxine tablets or capsules.
Levothyroxine is prescribed to treat hypothyroidism, a condition in which the thyroid gland produces insufficient thyroid hormones. Impairment in the normal functioning of any part of this axis can cause hypothyroidism. Levothyroxine is a synthetic form of thyroid hormone produced by the human thyroid gland, a butterfly-shaped organ located at the base of the neck.
•EUTHYROX® should not be used as a primary or add-on therapy in any weight loss program. Please refer to the full prescribing information located within your EUTHYROX® prescription box or visit https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=bc3c6830-ba68-4ba3-9896-a12d0ad0b275. This is the most important safety information you should know about EUTHYROX®. For more information, talk with your healthcare provider. •Taking too much levothyroxine has been associated with increased bone loss, especially in women after menopause.
In a recent survey of nearly 1,000 patients taking levothyroxine to treat their hypothyroidism, 15% of respondents reported allergies to the excipients commonly found in levothyroxine tablets. The widest range of doses of any levothyroxine therapy For flexible dosing options, IBSA offers 15 different dosage strengths of Tirosint-SOL, including NEW 37.5, 44 and 62.5 mcg doses. It is produced in a dedicated facility, where no other products are made, reducing the risk of cross-contamination and providing you with additional peace of mind. Every Tirosint-SOL carton is color-coded for dosage strength, to make it easier for you and your pharmacy to ensure that you get the same dosage of Tirosint-SOL that your doctor has prescribed.
Levothyroxine is best taken as a single dose on an empty stomach, usually before breakfast. The initial dose is adjusted by 25 to 50 microgram increments at 3 – 4 week intervals until clinical response and measurements of plasma thyroxine and thyroid stimulating hormone indicate that the thyroid deficiency is corrected and a maintenance dose established. a gradual increment of 12.5 micrograms/day fortnightly) with frequent monitoring of thyroid hormones.
If you notice other effects not listed above, contact your doctor or pharmacist. It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
It may take several weeks before you notice a change in your symptoms. Give this mixture by spoon or dropper right away. Your doctor will probably start you on a low dose of levothyroxine and gradually increase your dose. Do not stop taking levothyroxine without talking to your doctor. Do not take a double dose to make up for a missed one.