How Long Does Levothyroxine Take to Work?

10th September 2021

Levothyroxine is a medication used in treating an underactive thyroid, also known as hypothyroidism. Your thyroid regulates your body’s metabolic rate, which is how your body processes food into energy. The thyroid’s hormones also control your heart rate and your body’s temperature.

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Hypothyroidism is where your thyroid isn’t producing enough hormones and typical signs/symptoms to look out for are:

  • Fatigue
  • Increased sensitivity to cold
  • Constipation
  • Dry skin
  • Weight gain
  • Puffy face
  • Hoarseness
  • Muscle weakness
  • Elevated blood cholesterol level
  • Muscle aches, tenderness and stiffness
  • Pain, stiffness or swelling in your joints
  • Heavier than normal or irregular menstrual periods
  • Thinning hair
  • Slowed heart rate
  • Depression
  • Impaired memory
  • Enlarged thyroid gland

What is Levothyroxine?

Levothyroxine is a medicine used to treat hypothyroidism. The thyroid gland makes thyroid hormone which helps to control energy levels and growth. Levothyroxine is taken to replace the missing thyroid hormone.

Can I take Levothyroxine?

Levothyroxine can be taken by both children and adults, however like most medications, there are some situations which will prohibit the use of this treatment.

You must not take Levothyroxine if you have:

  • Had an allergic reaction to levothyroxine or any other medicines
  • An overactive thyroid
  • A health problem that affects your adrenal glands
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If you choose to order with UK Meds, it’s vital that we know if you have:

  • A heart problem including angina, heart disease or heart failure
  • High blood pressure
  • Had a heart attack
  • Diabetes

Are there any side effects to Levothyroxine?

Like all medications, Levothyroxine can cause some side effects. But not everyone will experience them and once your correct dosage has been decided, the side effects should alleviate.

Common side effects

Common side effects of Levothyroxine are very similar to that of an overactive thyroid and they are usually because your dosage is too high. After your dosage is corrected, the side effects should go away. If they don’t, you must stop the treatment.

Common side effects are:

  • Feeling sick
  • Being sick (vomiting) or diarrhoea
  • Headaches
  • Feeling restless or excitable, or problems sleeping
  • Flushing or sweating
  • Muscle cramps
  • Shaking, usually of the hands
  • Serious side effects
Serious side effects are extremely rare, but if you experience any of these side effects, you must see a doctor:
  • Chest pain
  • Irregular heartbeats
  • Palpitations

Where to Buy Levothyroxine?

You can buy levothyroxine here at UK Meds. Simply follow the previous link to add the product to your cart. We offer next day shipping of levothyroxine most days of the week.

How long does Levothyroxine take to work?

Levothyroxine starts working instantly. But it may take several weeks before your symptoms begin to alleviate and you start to feel the benefits of the medication.