Thyroid Medication

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By Marye Audet

image:sxc
image:sxc

If you have been diagnosed with hypothyroidism or have had a thyroidectomy your doctor will probably prescribe thyroid medication.

Common symptoms of hypothyroidism are:

  • Weight gain
  • Exhaustion
  • Blurry vision
  • Muscle aches
  • Constipation
  • Loss of hair
  • Dry skin
  • Depression
  • Intolerance of cold

Thyroid medication replaces the thyroid hormones in your body so that your metabolism and other functions will be as normal as possible. It is important that you understand the medication, side effects, and the need to work closely with your doctor on adjusting the dose so that you can get the most benefit out of it. Like any medication there are things you can do to help your medication be more effective.

The most common thyroid medications are:

  • L-thyroxine
  • L-triiodothyronine
  • Natural Thyroid

L-thyroxine (Synthroid)

L-thyroxine is probably one of the most common medications prescribed for hypothyroid conditions. Along with numerous generic brand names, common names for L-thyroxine are:

  • Levoxyl
  • Synthroid
  • Unithroid

This medication mimics the T-4 hormone that is produced by the body. Your doctor will prescribe you an initial dose based on your age, weight, and other criteria. Every few weeks you will need to meet with your doctor, have your blood levels checked and discuss your symptoms and how you feel. Your doctor will then adjust the dose and repeat the process. It can take six months or more to find the best level for you. Be patient and keep a journal of how you feel and your symptoms. This will help your doctor to find the correct dose more quickly.

How to take L-thyroxine:

  • It is important to take L-thyroxine at the same time every day.
  • Take it on an empty stomach and wait at least an hour before eating
  • Take it with plenty of water but no milk or other products that contains calcium
  • Do not take L-thyroxine at the same time as your vitamins, minerals, or other medications.

Side Effects of L-thyroxine:

  • Nausea
  • Vomiting
  • Heart palpitations
  • Anxiety
  • Sweating
  • Headaches
  • Shortness of breath
  • Anxiety
  • Rapid weight loss
  • Sleeplessness
  • Abnormal periods for women

L-triiodothyronine (Cytomel)

This is the synthetic T-3 hormone. It must be taken several times a day and is not normally given long term. It is most often given to thyroid patients who will be going through radiation therapy. It keeps them from being too hypothyroid when they are off their medication.

Natural Thyroid (Armour)

This medication is very controversial. It is the “original” thyroid replacement medication and was in common use until the 1970s when synthroid was released.

It is derived from pig thyroid and contains both T-3 and T-4. There are those that have gotten relief from their hypothyroid symptoms on natural thyroid when synthroid just wasn't working.


The opponents say that it is not consistent and may have impurities. If you have not been able to get relief from your hypothyroid symptoms on synthroid it may be worth taking to your doctor about

Substances that Interact with Thyroid Medication

Calcium, iron, fiber, and aluminum (like in baking powder or certain antacids) can bind to thyroid medication and keep your body form absorbing it. This is why you should take it first thing in the morning with water and then wait for as long as possible before eating or taking other medications.

Some foods can also interfere with the absorption of this medication. You should separate the time you take the medication and eating these products by several hours. It may also be a good idea to limit your use of these foods over all, especially if your medication does not seem to be “working”.

Foods that interact with Thyroid medications are:

  • High fiber foods
  • Buckwheat
  • Cabbage
  • Cheese of all kinds
  • Collard Greens
  • Edamame
  • Flax
  • Kale
  • Lentils
  • Milk
  • Oatmeal
  • Rye
  • Soy milk
  • Tempeh
  • Tofu
  • TVP
  • Yogurt (both dairy and soy

Herbs that you need to limit are:

  • Bugleweed-don;t use at all
  • Fenugreek
  • Kelp
  • Lemon Balm – don't use at all
  • St Johnswort

Other substances that interfere or that can interact:

  • Anti-cholesterol drugs
  • Anti-reflux medications
  • Amphetamines
    Appetite suppressants
  • Bile acid medications
  • Blood thinners
  • Calcium and calcium enriched foods
  • Estrogen
  • Iron
  • Magnesium
  • Medicine for asthma or other breathing problems
    Medicine for colds, sinus problems, or hay fever or other allergies
  • Vitamin supplements

Also during hormonal changes like menopause, breastfeeding, or pregnancy your medication may need to be adjusted more often.


Always Check with Your Helath Care Provider

If you are taking medication for low thyroid levels or are about to begin to take these medications you owe it to yourself to research the things that will interfere. Take the medication in such a way that it will have the biggest impact on your health. Always talk to your doctor or health care provider about dietary changes and changes in medicine.

Comments

Lgali profile image

Lgali 2 years ago

very useful hub lot of good info thanks

James Ginn profile image

James Ginn 2 years ago

Very useful information. Well researched. Thank you.

abbas73 profile image

abbas73 2 years ago

it is also imprtant in stress situation like infections and surgury to increase L-THYROXINE dose under supervision of your doctor.

Hummingbird5356 profile image

Hummingbird5356 Level 2 Commenter 2 years ago

I also take thyroxene and found this a very useful hub.

westdrug profile image

westdrug 23 months ago

Great hub. I personally happen to encourage thyroxene, but only for those who are not particularly susceptible to side-effects.

Btwn, you may also like to check out my hubs on similar topics.

Regards,

Phil.

Pamela Kinnaird W profile image

Pamela Kinnaird W Level 6 Commenter 20 months ago

Very interesting information. Excellent research. Thank you for your good work so that we can just easily take it all in without having to look it all up for ourselves. Hypothyroidism is so common these days. Aspartame is one of the reasons.

allnaturalthyroid-meds 17 months ago

Very informative hub. I have also heard about hashimoto's thyroiditis.The most common cause is Hashimoto’s thyroiditis. Other causes include radioactive iodine treatment and thyroidectomy surgery used to treat hyperthyroidism or thyroid cancer.

Emr vendors 13 months ago

I think its just great.

L a d y f a c e profile image

L a d y f a c e 6 months ago

Excellent information. I was on Synthroid for quite a while with very little benefit, and have now switched to Canada's Thyroid made by Erfa with more luck.

Your information is bang on. Came here looking for the answer to a question, and found it! Thanks! :)

sfshine profile image

sfshine 3 months ago

Great hub with lots of information. I have never heard of Armour. I now take a homeopathic one thyodine. Thank you.

Mary 3 months ago

My daughter had her Thyroid removed with liquid iodine when she was about 16yrs old and was put on Synthroid. She has not been able to function since. She is overweight, tired, cold hands and feet, achey...you name it. Her tests show she is fine on the dosage she is taking. Doctors say that Natural Armour Thyroid is too difficult to monitor and measure. What can we do? Who's a good naturpath in York Region of Ontario? I have NO FAITH in conventional doctors. My family is anti drugs however my daughter is afraid to go off the Synthroid because her original doctor said she would "die" without it. How's that for inducing fear to someone who has OCD and ODD plus other medical issues?

Marye Audet profile image

Marye Audet Hub Author 3 months ago via iphone

Thyroid hormone is essential. I don't know of any docs in your area.. Keep trying - good luck

Uninvited Writer profile image

Uninvited Writer Level 4 Commenter 3 months ago

Thanks for this. I've been on thyroid medication since I was 17. I always take it first think in the morning at least an hour before I eat. I was taking it with my tea though, since I have milk in my tea I will switch back to taking it with water. I knew you were not supposed to take it with calcium but I was thinking the milk was so little that it wouldn't count.

Mekenzie profile image

Mekenzie Level 6 Commenter 3 months ago

I was diagnosed with a hypothyroid and put on all of the thyroid medications you name above. I had adverse side-affects to all of them .. it was crazy. My Doc. said he did not know what to do with me.

I started researching natural replacements. I found there are many benefits to taking organic coconut oil .. including assisting the thyroid to function properly. I also have a thyroid supplement I take. Last time I was at the Doc.s the blood work tests revealed I was functioning in the normal range .. first time in about 10 Years! I'm so excited!!

Blessings!

Mekenzie

Christos Palmer profile image

Christos Palmer 2 months ago

Currently on Levothyroxine for hypothyroidism.

Marye Audet profile image

Marye Audet Hub Author 2 months ago

be sure to follow directions carefully. ;)

Lowin 2 months ago

I am on Levothyroxine and did'nt know these things. I allso have Fibromyalgia and am on savela and other meds. I new to all of this and it scares me.

Marye Audet profile image

Marye Audet Hub Author 2 months ago

Just educate yourself and ask lots of questions. ;)

Sage in a Cage profile image

Sage in a Cage Level 1 Commenter 3 weeks ago

Great hub. I've been on L-thyroxine for about 5 years now for a hypoactive thyroid and it has turned my life around. I do have a feeling like doctors are struggling to keep abreast of new research. It can be so frustrating.

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