This medication is an aromatase inhibitor, prescribed for breast cancer either alone or in combination with other medications.
It kills cancer cells.
Take this drug at the same time of day. Take with or without food. Take with food if it causes an upset stomach. This drug works best when used with calciumvitamin D and weight-bearing workouts like walking or PT (physical therapy). Follow the diet and workout plan that your doctor told you about.
Feeling dizzy. Rise slowly over a few minutes when sitting or lying down. Be careful climbing. Feeling tired or weak. Flushing. Wearing layers of clothes or summer clothes and staying in cool places may help. Headache. Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. Cough. Back pain. Muscle pain. Swelling. Hard stools (constipation). Drinking more liquids, working out, or adding fiber to your diet may help. Talk with your doctor about a stool softener or laxative. Bone pain. Brittle bones. High cholesterol level. Weight gain.
Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses.
If you have an allergy to letrozole or any other part of this drug. Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs. If you have not stopped your period. If you are pregnant or may be pregnant.
If you think there was an overdose, call your local poison control center or ER right away. Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat. Chest pain or pressure, a fast heartbeat, or passing out. Trouble breathing. Shortness of breath. Change in strength on 1 side is greater than the other, trouble speaking or thinking, change in balance, or blurred eyesight. A big weight loss. Swelling, warmth, or pain in the leg or arm. Very bad headache. Feeling very tired or weak. Any rash. Side effect or health problem is not better or you are feeling worse.
Sometimes drugs are not safe when you take them with certain other drugs and food. - Taking them together can cause bad side effects. - Be sure to talk to your doctor about all the drugs you take.
Store in a cool, dry place away from the reach of children. - Medicines must not be used past the expiry date.
Category D : There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
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