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Brand Name: Letero

Generic Name: Letrozole

Manufacturer: Hetero

Dosage Form: Tablet

Strength: 2.5 mg

Composition: Letrozole

Packaging: 10 tablets (10 / strip)

Indication: Breast Cancer

Storage: Store at room temperature


Letero (Letrozole 2.5mg) tablet is used in the treatment of early breast cancer in postmenopausal women. This tablet belongs to the type of antineoplastic (cancer-fighting medications) known as nonsteroidal aromatase inhibitors. Letero tablets work by decreasing the amount of estrogen (natural female hormone) produced in the body. This decrease in estrogen can stop the growth of some breast cancers that need estrogen to grow. It is important to take this medicine as prescribed by your doctor. The recommended dose of Letero tablets is decided by a doctor according to your previous medical condition and response to the treatment.


Letrozole is an aromatase inhibitor used in the treatment of breast cancer. Aromatase inhibitors work by inhibiting the action of the enzyme aromatase, which converts androgens into estrogens by a process called aromatization. As breast tissue is stimulated by estrogens, decreasing their production is a way of suppressing the recurrence of breast tumor tissue. After the administration, the effect of this medicine can be observed in 2 to 6 weeks.

Usage Of Letrozole 2.5mg Tablet

This tablet is used in the treatment of certain types of breast cancer (hormone-receptor-positive breast cancer) in women after menopause. Letro tablets work by reducing the production of breast cancer cells. Take this medicine with or without food orally once a day. Do not take this medicine in the wrong way as it may lead to some severe side effects. It is advisable not to change your regular dosing schedule without taking suggestions from your doctor. If you experience any signs and symptoms while receiving this medicine, inform your doctor immediately.


Letero tablets can interact with other medications and it may increase the risk for side effects. Don’t forget to disclose and discuss your previous medical history with the doctor.

Medicine Interactions

  • Clopidogrel
  • Aprepitant
  • Lorlatinib
  • Thalidomide

Disease Interactions

  • Osteoporosis
  • Liver disease
  • Cholesterol

Alcohol Interaction

  • Interaction with alcohol is unknown. Please consult your doctor before consuming alcohol.


  • Do not take this medicine if you are allergic to Letero.
  • Letero (Letrozole 2.5mg) medicine is not recommended in patients known to be hypersensitive.


  • Lytrol
  • Oncolet
  • Letpro
  • Herlet

Side Effects Of Letrozole 2.5mg Tablet

This medicine may cause some side effects. Discuss the risks and benefits of the Letero tablets with the doctor before starting the treatment.

Common Side Effects

  • Back pain
  • Constipation
  • Chest pain
  • Dizziness
  • Headache
  • Anxiety
  • Bone fractures
  • Depression
  • Breast pain
  • Irregular heartbeat
  • Change in vision
  • Sore throat
  • Abdominal pain
  • Heart attack
  • Weight loss
  • Skin rash
  • Vomiting
  • Weakness
  • Increased appetite
  • Nervousness
  • Increased thirst
  • Pale skin
  • Difficulty in urination
  • Fainting
  • Increased sweating
  • Swelling of the feet
  • Fever
  • Allergic reactions
  • Cough
  • Loss of coordination
  • Difficulty in breathing
  • Vaginal bleeding
  • Numbness in the arm and leg

Note – please consult your healthcare provider if any side effects occur


Take this medicine as prescribed by your doctor. Do not stop or skip your regular dosing schedule.

Missed Dose

  • It is advisable not to miss a dose. If you miss a scheduled dose of Letero 2.5mg tablet, contact your doctor immediately.


  • In case of an overdose of Letero tablets, the doctor will provide emergency medical treatment.


Before starting treatment with Letero medicine, please inform your doctor about your previous medical history. If you experience any signs and symptoms while receiving this medication, do not ignore those symptoms because it may lead to higher risk.

  •  Contraception
  • Use suitable methods of contraception to prevent pregnancy while taking Letrozole 2.5mg.
  • Children and adolescents
  •  Letero tablets are not advisable for use in children and adolescents.

Warnings For Female

  • Pregnancy
  • Do not use Letero (Letrozole 2.5mg Tablet) if you are planning to become pregnant. Avoid this medication at the time of pregnancy.
  • Breastfeeding
  • This medicine is not recommended in breastfeeding unless it is required. Please consult with your doctor before starting treatment with Letero medicine.


  • Letero tablets are not recommended in patients suffering from severe liver disease.
  • This medicine may increase cholesterol levels.
  • Close monitoring of calcium levels is required during treatment with this medicine.
  • Inform your doctor if you experience any side effects like – dizziness, nausea, abdominal cramps, loss of appetite, and vomiting.
  • This medicine may cause dizziness.


  • Do not drive or operate heavy machinery.
  • Do not crush or break the tablet.
  • Not safe for pregnant women.
  • Do not breastfeed while receiving this medication.