Levothroid (Generic) logo
Levothroid (Generic)

Levothroid (Generic)

Levothroid (Levothyroxine)

Levothyroxine, also recognized as L-thyroxin and sold under the brand Levothroid, is a manufactured kind of the thyroid hormonal agent, thyroxine (T4). It changes or offers much more thyroid hormonal agent, which is usually produced by the thyroid gland. Having enough thyroid hormonal agent is very important for maintaining typical psychological and exercise. In youngsters, having sufficient thyroid hormone is essential for normal psychological and also physical advancement. This medicine will certainly have to be used for the remainder of your life or your child's life.Do not stop taking this medication or modify your dose without initial checking with your medical professional. This drug might take several weeks before you start to discover that your signs are much better. Levothroid is best to take this medicine on an empty stomach. You should take it with a full cup of water a minimum of Thirty Minutes to 1 hour prior to consuming breakfast. Swallow the capsule whole.Do not reduce or crush it. Additionally, if you are taking multiple strengths of Levothroid (Levothyroxine), remove the capsules from the sores beforehand in order to help you determine the stamina of each pill. For babies as well as kids who could not swallow the tablet type, the capsule could be crushed and also combined with a percentage of water (5 to 10 milliliters [mL] or 1 to 2 teaspoonfuls). Get emergency clinical assistance if you experience a major allergic reation or any one of the following side effects: headache; rest troubles (sleeplessness); sensation nervous or short-tempered; high temperature, hot flashes, sweating; pounding heart rate or trembling in your upper body; modifications in your menstruation menstruation periods; or hunger modifications, weight adjustments.

How to purchase Levothroid (Levothyroxine) online

Ordering Levothroid (Levothyroxine) with our drug store service is quick as well as very convenient. However you should take your treatment very seriously. Attempt to talk with your doctor prior to deciding to purchase this drug. Even if you think the details above suffices for you to choose, medical talk is a must to prevent severe adverse effects.


Product Information

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Levothyroxine is a replacement for a hormone that is normally produced by your thyroid gland to regulate the body's energy and metabolism. Levothyroxine is given when the thyroid does not produce enough of this hormone on its own.

Levothyroxine treats hypothyroidism (low thyroid hormone). Levothyroxine is also used to treat or prevent goiter (enlarged thyroid gland), which can be caused by hormone imbalances, radiation treatment, surgery, or cancer.

How to take

Take Synthroid as a single dose, preferably on an empty stomach, one-half to one hour before breakfast. The drug is absorbed better on an empty stomach. If an infant or child cannot swallow whole tablets, you may crush a Synthroid tablet and mix it into 1 or 2 teaspoonfuls of water.

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:

  • headache;
  • sleep problems (insomnia);
  • feeling nervous or irritable;
  • fever, hot flashes, sweating;
  • pounding heartbeats or fluttering in your chest;
  • changes in your menstrual periods; or
  • appetite changes, weight changes.

Less serious side effects may include mild hair loss. This is not a complete list of side effects and others may occur.


Levothyroxine has a narrow therapeutic index. Regardless of the indication for use, careful dosage titration is necessary to avoid the consequences of over-or under-treatment. These consequences include, among others, effects on growth and development, cardiovascular function, bone metabolism, reproductive function, cognitive function, emotional state, gastrointestinal function, and on glucose and lipid metabolism. Many drugs interact with levothyroxine sodium, necessitating adjustments in dosing to maintain therapeutic response

Drug interactions

Certain medicines can make levothyroxine 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 levothyroxine:

  • calcium carbonate (Caltrate, Citracal, Oystercal, and others);
  • ferrous sulfate iron supplement;
  • sucralfate (Carafate);
  • sodium polystyrene sulfonate (Kayexalate, Kionex, and others);
  • antacids that contain aluminum or magnesium (such as Acid Gone, Aldroxicon, Alternagel, Di-Gel, Gaviscon, Gelusil, Genaton, Maalox, Maldroxal, Milk of Magnesia, Mintox, Mylagen, Mylanta, Pepcid Complete, Rolaids, Rulox); or
  • cholesterol-lowering drugs cholestyramine (Questran) and colestipol (Colestid).

Missed dose

If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up. If you miss 2 or more doses in a row, consult your doctor.


Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from moisture and sunlight. Do not store in the bathroom. Keep away from children and pets.


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