Can I take Iron and Levothyroxine together?

Iron e levothyroxine should not be taken at the same time as taking them together can significantly reduce the amount of thyroid hormone your body absorbs.

Por que isso acontece

Iron binds to levothyroxine in the stomach and intestines, forming a complex that is too large for the body to absorb into the bloodstream. This means the medicine passes through your system without working.

• You should take these medicines at least 4 hours.

• Most people find it easiest to take their levothyroxine first thing in the morning (on an empty stomach) and wait until the afternoon or evening to take their iron supplement.

• Do not stop taking either medication without speaking to your doctor or pharmacist.

Accidental overdose in children

Iron supplements are a leading cause of fatal poisoning in children. Keep them strictly out of reach and sight of children; even a small number of extra tablets can be fatal to a child.

Tea and coffee (caffeine)

Tea and coffee contain compounds called tannins and polyphenols that significantly reduce the amount of iron your body can absorb. Avoid drinking these for at least 1 hour before or 2 hours after taking your iron supplement.

Drinking coffee at the same time as taking your levothyroxine can significantly reduce the amount of medicine your body absorbs. Wait at least 30 to 60 minutes after taking your tablet before drinking coffee.

Dairy products (milk, cheese, yoghurt)

Calcium in dairy products prevents iron from being absorbed properly. Do not take your iron supplement at the same time as dairy products. Leave a gap of at least 2 hours.

Whole-grain cereals and eggs

Phytic acid in whole grains and certain proteins in eggs can hinder iron absorption. It is best to take iron on an empty stomach, though you can have a small amount of fruit or vitamin C-rich juice to help absorption.

Soya (soy)

Soya can interfere with how levothyroxine is absorbed by the body. If you eat a lot of soya, your doctor may need to monitor your hormone levels more closely. Try to keep your soya intake consistent and avoid eating it close to the time you take your tablet.

Kelp and seaweed

These foods are very high in iodine. Because levothyroxine is a thyroid hormone, high levels of iodine can interfere with your treatment and make your thyroid overactive or underactive.

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Aviso Legal

Esta informação é apenas para fins educacionais gerais e não deve ser considerada como um substituto para aconselhamento médico profissional. Sempre consulte seu médico, farmacêutico ou outro profissional de saúde qualificado antes de tomar decisões sobre seus medicamentos. As circunstâncias individuais podem variar, e somente um profissional de saúde que conheça seu histórico médico pode fornecer orientações personalizadas.