L-Thyroxin Berlin-Chemie


L-Thyroxin Berlin-Chemie is a replacement for a hormone normally produced by your thyroid gland to regulate the body’s energy and metabolism.


Weight Loss With Levothyroxine Medication

Levothyroxine is a synthetic thyroid hormone prescribed to treat low thyroid function, also known as hypothyroidism. Part of your endocrine system, your thyroid gland is located at the base of your throat and creates the hormones that control how quickly you use both oxygen and energy — the basis of your metabolism. A sluggish thyroid doesn’t produce enough hormones; as a result your metabolism slows down — which can easily lead to weight gain. Once you begin to take levothyroxine, your metabolism will normalize and weight loss should be easier.

Metabolism and Weight Loss

Weight loss with hypothyroidism can be challenging because a slower metabolism results in fewer calories being used. Taking levothyroxine should boost your metabolism, helping you to burn more calories, even at rest. You can also keep your metabolism high by burning more calories through exercise — especially strength training exercises, which build muscle mass. The American College of Sports Medicine notes that increasing your ratio of muscle to fat will enable you to burn more calories, even at rest. Consume at least 18 percent to 20 percent of your calories from lean protein, suggests the ACSM.

Dietary Guidelines — Carbohydrates

There is no single diet for weight-loss with hypothyroidism, explains the Mayo Clinic. The best diet for you is the one you can actually stay on — and should include eating a variety of healthy foods, calorie reduction, portion control and exercise. The Thyroid Information Network says that when your metabolism is slowed down, so is your body’s ability to process sugar, leading to higher glucose and insulin levels. Simple carbohydrates such as sugar and starches should be limited. You don’t need to follow a low-carb diet — unless that lifestyle works for you — but choosing complex carbs or using the glycemic index to help choose carbs that have a minimal effect on glucose will help you lose weight on levothyroxine.

Calories, Weight Loss and Metabolism

How much food you eat is as important as the types of food you eat. The more you restrict calories, the faster you’ll lose weight — but only if you still consume enough calories to support basic metabolic function. The National Institutes of Health says that you need between 1,200 and 15,00 calories daily to ensure proper metabolic function. When you don’t eat enough calories, your metabolism slows down, going into “starvation mode” and conserving energy for survival. With hypothyroidism your metabolism is already slow — slowing it further by not eating enough, or by waiting too long between eating, will only hinder weight loss. Try to eat at least every four hours to keep your metabolism high.
Levothyroxine Interactions and Iodine

Iodine is an essential element for making thyroid hormone, but iodine deficiency rarely causes hypothyroidism. If you’re taking levothyroxine, you’re thyroid isn’t manufacturing thyroid hormone — levothyroxine is providing an already fully formed synthetic hormone replacement. But it is important that nothing in your diet interferes with the absorption of your medication. Levothyroxine should be taken by itself on an empty stomach. Vitamins that contain calcium and iron can block the absorption of levothyroxine, as can antacids that contain aluminum hydroxide. Don’t rely on diet pills to lose weight. Orlistat, the active ingredient in Alli, can also stop your body from assimilating thyroid hormone replacement. Anything that can interfere with your levothyroxine medication should be taken two to four hours after you take levothyroxine .

How is Thyroxine Used for Weight Loss?

Thyroxine or T4 is a hormone made by your thyroid. L-thyroxine, also known as levothyroxine, is a synthetic T4 thyroid replacement hormone. The generic name for this medication is levothyroxine and it’s sold under the brand names Sythroid, Levoxyl, Unithroid or Tirosint. Levothyroxine is the most common drug used to treat hypothyroidism — an underactive thyroid. Because your thyroid produces the hormones that control metabolism, hypothyroidism can often cause weight gain. Taking levothyroxine will replace needed hormones and boost metabolism, which may lead to weight loss.


Your thyroid gland produces T3 and T4 hormones, which control the rate at which your body burns calories and oxygen — that is, your metabolic rate. When your thyroid slows hormone production, your metabolism slows; so does your heart rate and other functions. You may feel tired, weak and sensitive to cold and you may gain weight. The most common treatment for hypothyroidism is a replacement hormone supplement — levothyroxine. Once you have the correct balance of thyroid hormone, your metabolism will right itself and you will have an easier time losing weight.

Weight Gain

If your metabolism slows down, you burn fewer calories, even at rest. If you continue eating the same amount of food, you will start to gain weight. According to the American Thyroid Association, the more severe the hypothyroidism, the greater the weight gain. However, it’s not always fat gain; the ATA says that 5 to 10 lbs. of the weight that hypothyroid patients gain is an accumulation of excess salt and water. Once hypothyroidism is controlled by taking L-thyroxine you could expect to lose some weight — but no more than 10 percent of your current body weight.

Weight Loss

More than just an underactive thyroid may cause significant weight gain. Once your hypothyroidism is corrected — it can take several weeks for L-thyroxine to work — your metabolism will be back to normal. Once your metabolism is stable, you will be able to gain or lose weight like anyone without thyroid issues. Taking a higher dose of L-thyroxine to speed weight loss can have serious medical consequences and is not recommended.
Factitious Hyperthyroidism

Excessive use of L-thyroxine can speed your metabolism and lead to weight loss — and serious health problems, including an irregular heartbeat, angina, heart attack and a loss of bone mass — in severe cases it can lead to osteoporosis. Abusing your prescription medication in this way can lead to factitious hyperthyroidism, an overactive thyroid. It may take between 2 and 4 weeks after you lower your dosage for symptoms to disappear.

What is L-Thyroxin Berlin-Chemie?


L-Thyroxin Berlin-Chemie is a replacement for a hormone normally produced by your thyroid gland to regulate the body’s energy and metabolism.
L-Thyroxin Berlin-Chemie is given when the thyroid does not produce enough of this hormone on its own. L-Thyroxin Berlin-Chemie treats hypothyroidism (low thyroid hormone).
L-Thyroxin Berlin-Chemie is also used to treat or prevent goiter (enlarged thyroid gland), which can be caused by hormone imbalances, radiation treatment, surgery, or cancer.
L-Thyroxin Berlin-Chemie may also be used for purposes not listed in L-Thyroxin Berlin-Chemie guide. Overdose symptoms may include headache, leg cramps, tremors, feeling nervous or irritable, chest pain, shortness of breath, and fast or pounding heartbeats.

What should I avoid while taking L-Thyroxin Berlin-Chemie?

Certain medicines can make L-Thyroxin Berlin-Chemie less effective if taken at the same time. If you use any of the following drugs, avoid taking them within 4 hours before or 4 hours after you take L-Thyroxin Berlin-Chemie:

calcium carbonate (Alka-Mints, Calcium Oyster Shell, Caltrate, Os-Cal, Oyster Shell Calcium, Rolaids Soft Chew, Tums, and others);
cholestyramine, colestipol;
ferrous sulfate iron supplement;
sodium polystyrene sulfonate (Kalexate, Kayexalate, Kionex); or
antacids that contain aluminum or magnesium–Acid Gone, Gaviscon, Maalox, Milk of Magnesia, Mintox, Mylanta, Pepcid Complete, and others).
Avoid the following food products, which can make your body absorb less L-Thyroxin Berlin-Chemie: infant soy formula, cotton seed meal, walnuts, and high-fiber foods.

L-Thyroxin Berlin-Chemie side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
fast or irregular heart rate;
fever, hot flashes, sweating;
sleep problems (insomnia);
changes in your menstrual periods; or
vomiting, diarrhea, appetite changes, weight changes.

Common side effects may include mild hair loss.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)

What other drugs will affect L-Thyroxin Berlin-Chemie?

Many other medicines can be affected by your thyroid hormone levels. Other medicine may also increase or decrease the effects of L-Thyroxin Berlin-Chemie.
Many drugs can interact with L-Thyroxin Berlin-Chemie and not all possible interactions are listed in L-Thyroxin Berlin-Chemie guide.
Tell your doctor about all medications you use, start using, or stop using during your treatment with L-Thyroxin Berlin-Chemie. This includes prescription, over-the-counter, vitamin, and herbal products. Give a list of all your medicines to any healthcare provider who treats you.

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