

You may report side effects to Health Canada at 1-86.īefore taking levothyroxine, tell your doctor or pharmacist if you are allergic to it or if you have any other allergies. You may report side effects to FDA at 1-80 or at In Canada - Call your doctor for medical advice about side effects. In the US - Call your doctor for medical advice about side effects. If you notice other effects not listed above, contact your doctor or pharmacist. This is not a complete list of possible side effects. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/ tongue/throat), severe dizziness, trouble breathing. Get medical help right away if you have any very serious side effects, including: chest pain, fast/pounding/irregular heartbeat, swelling hands/ ankles/feet, seizures.Ī very serious allergic reaction to this drug is rare. Tell your doctor right away if you have any serious side effects, including: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking (tremor), headache, shortness of breath, bone pain, easily broken bones. Many people using this medication do not have serious side effects. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. If this effect lasts or gets worse, tell your doctor or pharmacist promptly. This effect is usually temporary as your body adjusts to this medication. Hair loss may occur during the first few months of treatment. Tell your doctor if your condition does not get better or if it gets worse after several weeks of taking this medication. Symptoms of low thyroid hormone levels include tiredness, muscle aches, constipation, dry skin, weight gain, slow heartbeat, or sensitivity to cold. If you are taking any of these drugs, separate them from this medication by at least 4 hours. Do not change brands without first consulting your doctor or pharmacist.Ĭertain medications (such as cholestyramine, colestipol, colesevelam, antacids, sucralfate, simethicone, iron, sodium polystyrene sulfonate, calcium supplements, orlistat, lanthanum, sevelamer, among others) can decrease the amount of thyroid hormone that is absorbed by your body. There are different brands of levothyroxine available. Thyroid replacement treatment is usually taken for life. To help you remember, take it at the same time each day.ĭo not stop taking this medication without consulting your doctor.

Use this medication regularly to get the most benefit from it. The dosage is based on your age, weight, medical condition, and response to treatment. Repeat squeezing and releasing the ampule at least 5 times, until no more liquid comes out of the ampule. To take this medication directly, slowly squeeze the soft (middle) part of the open ampule to empty the contents into the mouth or onto a spoon. Rinse the glass or cup with more water and drink to make sure you have taken all the medicine. Stir the solution and drink all of the liquid right away. Then turn the ampule upside down and slowly squeeze the soft (middle) part of the ampule to empty the contents into a glass or cup of water. To take it by mixing in water, open the ampule as directed. If you are using the medication that comes in an ampule, the medication may be taken by first mixing it in water, or it may be taken directly (without water). Take the medication directly from the measuring device. Do not use a household spoon because you may not get the correct dose. If you are using the medication that comes in a bottle, carefully measure the dose using a special measuring device/spoon. Take this medication by mouth as directed by your doctor, usually once daily on an empty stomach, 30 minutes to 1 hour before breakfast. If you have any questions, ask your doctor or pharmacist. Read the Patient Information Leaflet and Instructions for Use if available from your pharmacist before you start taking levothyroxine and each time you get a refill.
