What are side effects of levothyroxine?

Levothyroxine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
  • weight gain or loss.
  • headache.
  • vomiting.
  • diarrhea.
  • changes in appetite.
  • fever.
  • changes in menstrual cycle.
  • sensitivity to heat.
Takedown request   |   View complete answer on medlineplus.gov


Why you should not take levothyroxine?

Warnings for people with certain health conditions

For people with heart problems: Levothyroxine can increase your risk of serious heart problems, such as heart attack, abnormal heart rhythm, and heart failure. This risk is increased if you've already had these problems.
Takedown request   |   View complete answer on medicalnewstoday.com


What should I avoid while taking levothyroxine?

levothyroxine food

In addition, absorption of levothyroxine may be decreased by foods such as soybean flour, cotton seed meal, walnuts, dietary fiber, calcium, and calcium fortified juices. These foods should be avoided within several hours of dosing if possible.
Takedown request   |   View complete answer on drugs.com


What does levothyroxine do to the body?

Levothyroxine is a medicine used to treat an underactive thyroid gland (hypothyroidism). The thyroid gland makes thyroid hormones which help to control energy levels and growth. Levothyroxine is taken to replace the missing thyroid hormone thyroxine.
Takedown request   |   View complete answer on nhs.uk


What are the side effects of taking thyroid medication?

The main risk of thyroid medicine is if you take too much of it, you can get symptoms of an overactive thyroid, like:
  • Fast heartbeat.
  • Sensitivity to heat.
  • Hunger.
  • Nervousness and anxiety.
  • Shakiness.
  • Sweating.
  • Thin skin and brittle hair.
  • Tiredness.
Takedown request   |   View complete answer on webmd.com


Levothyroxine Side Effects, Indication, and Pregnancy



Why do you have to drink a full glass of water with levothyroxine?

The Levoxyl-branded tablet may rapidly swell and disintegrate, and cause choking or gagging if it becomes stuck in your throat. Take with a full glass of water, but talk with your doctor should you have difficulty swallowing it.
Takedown request   |   View complete answer on drugs.com


What does thyroid fatigue feel like?

You may feel nervous, moody, weak, or tired. Your hands may shake, your heart may beat fast, or you may have problems breathing. You may be sweaty or have warm, red, itchy skin. You may have more bowel movements than usual.
Takedown request   |   View complete answer on webmd.com


Does levothyroxine affect sleep?

Side effects of thyroxine can also cause difficulty sleeping if the dose is too high.
Takedown request   |   View complete answer on medicalnewstoday.com


Does levothyroxine cause weight gain?

In some cases, Synthroid may lead to weight gain. This is because the drug can increase your appetite, which may make you eat more food than usual. It's also possible for you to gain weight if your dose of Synthroid isn't high enough for your body's needs.
Takedown request   |   View complete answer on medicalnewstoday.com


Can you survive without a thyroid and no medication?

Aside from having your thyroid levels tested regularly and taking medication daily to give your body the thyroid hormone it needs, people without a thyroid live an otherwise normal life. Adjusting to life without your thyroid means taking medication and checking in with your doctor. Most people adjust easily.
Takedown request   |   View complete answer on morayati.com


Can you take vitamin D with levothyroxine?

No interactions were found between levothyroxine and Vitamin D3.
Takedown request   |   View complete answer on drugs.com


Is it better to take levothyroxine at night or in the morning?

There is consensus that levothyroxine should be taken in the morning on an empty stomach. A pilot study showed that levothyroxine intake at bedtime significantly decreased thyrotropin levels and increased free thyroxine and total triiodothyronine levels.
Takedown request   |   View complete answer on jamanetwork.com


Can I drink coffee with levothyroxine?

8) You take your Synthroid or levothyroxine with coffee

In studies, coffee reduced the body's absorption of thyroid medications by about 30%. That's why experts recommend that you wait at least 60 minutes after drinking coffee to take your thyroid replacement medication.
Takedown request   |   View complete answer on goodrx.com


Is 25 mcg levothyroxine a lot?

There are two strategies for initiating levothyroxine in healthy adults younger than 65 years: low-dose (50 mcg) and full-dose (1.6 to 1.7 mcg per kg). Traditionally, lower starting doses of 25 to 50 mcg per day are recommended for patients 65 years and older or who have ischemic heart disease.
Takedown request   |   View complete answer on aafp.org


How do you know when your thyroid medicine needs adjusting?

Let's take a look at the most common signs and symptoms that you are not getting sufficient treatment for your thyroid disease.
  1. You have unexpected weight changes. ...
  2. It's hard to lose or gain weight. ...
  3. You have diarrhea or are constipated. ...
  4. You have joint and muscle aches/pains. ...
  5. You are anxious and/or depressed. ...
  6. You're exhausted.
Takedown request   |   View complete answer on healthcentral.com


Is there an alternative to levothyroxine?

Armour Thyroid, Cytomel, Thyrolar, Synthroid, and Levoxyl are some levothyroxine alternatives.
Takedown request   |   View complete answer on singlecare.com


Can thyroid cause belly fat?

Weight gain

Even mild cases of hypothyroidism may increase the risk of weight gain and obesity. People with the condition often report having a puffy face as well as excess weight around the stomach or other areas of the body.
Takedown request   |   View complete answer on medicalnewstoday.com


How do I lose weight on levothyroxine?

Stop weight gain

A daily dose of levothyroxine (Levothroid, Levoxyl, Synthroid) will rev up your thyroid hormone production again, and with it, your metabolism. Once you're on the right dose, your weight should stabilize, and you shouldn't have any more trouble losing weight than anyone else.
Takedown request   |   View complete answer on healthline.com


Will levothyroxine cause hair loss?

Yes, levothyroxine, the main treatment for a sluggish thyroid gland, may cause hair loss in addition to other side effects. You may experience partial hair loss in the first few months of treatment, but this often resolves and goes back to normal in a short time.
Takedown request   |   View complete answer on drugs.com


Can thyroid problems affect your legs?

Severe, untreated hypothyroidism can cause fluid buildup that puts pressure on the nerves in your arms and legs. This can lead to tingling, pain, and numbness where the nerve is damaged. Low thyroid can sometimes lead to carpal tunnel syndrome, which affects the nerves in your hand and wrist.
Takedown request   |   View complete answer on webmd.com


Can levothyroxine cause restless legs?

Medications can also trigger RLS – some examples being the synthetic thyroid medication levothyroxine, antipsychotics, some antidepressants, and SSRIs.
Takedown request   |   View complete answer on whitneysleepcenter.com


What is the main cause of thyroid problems?

Problems with the thyroid can be caused by: iodine deficiency. autoimmune diseases, in which the immune system attacks the thyroid, leading either to hyperthyroidism (caused by Graves' disease) or hypothyroidism (caused by Hashimoto's disease) inflammation (which may or may not cause pain), caused by a virus or ...
Takedown request   |   View complete answer on healthdirect.gov.au


Do you have hypothyroidism look at your hands?

Signs and symptoms of hypothyroidism can show up in the hands and nails. Hypothyroidism can cause dermatologic findings such as nail infection, vertical white ridges on the nails, nail splitting, brittle nails, slow nail growth, and nails lifting up.
Takedown request   |   View complete answer on emedicinehealth.com


Why am I always tired and have no energy?

Many possible factors cause chronic fatigue, such as underlying medical conditions, nutrient deficiencies, sleep disturbances, caffeine intake, and chronic stress. If you're experiencing unexplained fatigue, it's important to talk with your doctor to find the cause.
Takedown request   |   View complete answer on healthline.com


Can thyroid cause dizziness balance problems?

The release of insufficient thyroid hormone (hypothyroidism) may result in low blood pressure and a slowed heart rate, causing dizziness, weakness, lethargy, and chills.
Takedown request   |   View complete answer on healthmatch.io
Previous question
Does dancing give abs?