Femara, Letrozole AvPak
Letrozole
Treats breast cancer.
Endocrine-Metabolic Agent, Antineoplastic Agent
Tablet
By mouth
Letrozole is a medication used in the treatment of certain breast cancers. This drug can also be used to prevent breast cancer from recurring. Letrozole works by lowering your estrogen levels which slows/reverses some cancers from growing. Letrozole is a generic drug also sold under the brand name Femara. This drug has been available for years. In the treatment of certain breast cancers, letrozole use is common.
Tablet
Tablet 2.5MG
Letrozole
2.5mg tablet
Your doctor will tell you how much medicine to use. Do not use more than directed.
Missed dose: Oral routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor for instructions.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Your doctor will tell you how much medicine to use. Do not use more than directed.
Missed dose: Oral routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor for instructions.
Oral routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor for instructions.
Oral routeIf you vomit after taking your medicine, call your doctor or pharmacist for instructions.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
This medicine is not right for everyone. Do not use it if you had an allergic reaction to letrozole, or if you are pregnant.
Unusual tiredness or weakness.
Vaginal discharge, bleeding, or dryness.
Oral routeIt is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant. Use an effective form of birth control during treatment with this medicine and for at least 3 weeks after the last dose.
Do not breastfeed while you are taking this medicine and for at least 3 weeks after your last dose.
Tell your doctor if you have liver disease (including cirrhosis), bone problems (including osteoporosis), or high cholesterol in the blood.
This medicine may cause the following problems:Low bone mineral densityHigh cholesterol or fat levels in the bloodLiver problems
This medicine may make you dizzy, drowsy, or tired. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
Oral routeThis medicine could cause infertility. Talk with your doctor before using this medicine if you plan to have children.
Oral routeMedicines used to treat cancer are very strong and can have many side effects. Before receiving this medicine, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.
Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
Sudden or severe headache, problems with vision, speech, or walking.
Swelling in your ankles or feet.
Unusual bleeding or bruising.
Make sure your doctor knows if you are breastfeeding, or if you have severe liver disease or cirrhosis, bone problems (such as osteoporosis), or high cholesterol in the blood.
This medicine may decrease bone mineral density when used for a long time. A low bone mineral density can cause weak bones or osteoporosis. If you have any questions about this, talk to your doctor.
Some medicines can affect how letrozole works. Tell your doctor if you are also using tamoxifen.
This medicine may increase your cholesterol or fat in the blood. If this happens, your doctor may give you medicine to lower the cholesterol and fat.
Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments. Blood tests may be needed to check for unwanted effects.
This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
Serious Side Effects
Unusual bleeding or bruising.
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Bone pain
Chest pain, trouble breathing, coughing up blood
Dark urine, pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
Numbness or weakness on one side of your body, sudden or severe headache, problems with vision, speech, or walking
Pain in your lower leg (calf)
Swelling in your ankles or feet
Unusual bleeding or bruising
Unusual tiredness or weakness
Sudden or severe headache, problems with vision, speech, or walking.
Swelling in your ankles or feet.
Vaginal discharge, bleeding, or dryness.
Unusual tiredness or weakness.
Less Serious Side Effects
Increased sweating
Vaginal bleeding
Warmth or redness in your face, neck, arms, or upper chest.
Trouble sleeping
Weight gain or loss
Headache
Diarrhea, constipation, stomach pain
Mild joint, back, or muscle pain
Breast pain
Warmth or redness in your face, neck, arms, or upper chest
Weight gain or loss.
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