Can I take Levothyroxine and Sertraline together?
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Pubblicato originariamente 25 Gen 2026
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Taking sertraline may make your levothyroxine less effective. This could lead to symptoms of an underactive thyroid, such as feeling tired, cold, or gaining weight, even if you haven't changed your thyroid dose.
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Perché succede
Sertraline can change how your body processes thyroid hormones. It may reduce the amount of free thyroid hormone available in your blood, meaning your current dose of levothyroxine might not be enough to keep your levels stable.
Cosa dovresti fare
Torna ai contenutiYou can take these medicines together, but you should tell your doctor if you are starting, stopping, or changing your dose of sertraline. Your doctor may want to perform a blood test to check your thyroid levels (TSH) a few weeks after starting sertraline to see if your levothyroxine dose needs to be adjusted.
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Precauzioni importanti
Torna ai contenutiBleeding disorders or use of blood thinners
Sertraline can increase your risk of serious bleeding, especially if you already take medicines like aspirin, ibuprofen, or warfarin. Seek medical help if you notice unusual bruising or black, tarry stools.
Heart disease or angina
Levothyroxine puts extra strain on the heart. You must inform your doctor immediately if you experience chest pain, palpitations, or a rapid heartbeat, as your dose may need adjusting.
Taking indigestion remedies or iron/calcium supplements
These products stop levothyroxine from being absorbed. You must leave a gap of at least 4 hours between taking levothyroxine and any antacids, iron tablets, or calcium supplements.
Avvertenze su cibo e bevande
Torna ai contenutiCoffee and Caffeine
Caffeine can significantly reduce the absorption of levothyroxine. You should wait at least 30 to 60 minutes after taking your tablet before drinking coffee or tea.
Dairy products (Milk, Yoghurt, Cheese)
Calcium found in dairy products can interfere with how your body absorbs levothyroxine. It is best to take your medicine on an empty stomach and wait at least 30 to 60 minutes before eating dairy.
Soya products
Soya can stop levothyroxine from being absorbed properly. If you eat a lot of soya, your doctor may need to monitor your hormone levels more closely.
Kelp and Seaweed
These are naturally high in iodine. Too much iodine can interfere with your thyroid treatment and make your condition worse.
High-fibre foods
A very high-fibre diet (such as lots of bran or beans) can reduce the absorption of levothyroxine. Try to keep your fibre intake consistent and talk to your doctor if you make big changes to your diet.
Alcol
It is best to avoid alcohol while taking sertraline. Alcohol can increase the sedative effects of the medicine, making you feel more sleepy or unsteady.
Succo di pompelmo
Grapefruit juice can increase the amount of sertraline in your bloodstream, which may increase the risk of side effects. It is best to avoid drinking large amounts of grapefruit juice.
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Avvertenza
Queste informazioni sono solo a scopo educativo generale e non devono essere considerate un sostituto del consiglio medico professionale. Consultate sempre il vostro medico di base, farmacista o un altro professionista sanitario qualificato prima di prendere decisioni sui vostri farmaci. Le circostanze individuali possono variare, e solo un professionista sanitario che conosce la vostra storia medica può fornire una guida personalizzata.
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Storia dell'articolo
Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.
25 Gen 2026 | Pubblicato originariamente

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