Brand name – Tucaxen

Generic name – Tucatinib

Manufacturer – Everest

Strength – 150mg

Dosage Form – Tablets

Composition – Tucatinib

Indication – Breast Cancer

Storage – at room temperature


Tucaxen 150mg tablets is a target therapy medication that is used in the treatment of breast cancer. The generic name of this medication is Tucatinib and it is a kinase inhibitor that stops the growth of the cancerous cells. It is a prescription-based medication and the doctor decides the course of the treatment.


Tucaxen treats breast cancer which has mutations in the HER -2 gene. These mutations occur in the tyrosine kinase of the gene and so it causes uncontrollable growth of the cells. Tucaxen blocks the activity of tyrosine kinase enzyme which furthermore blocks phosphorylation of the HER 2 AND 3 genes. In addition, they show anti-tumour activities that is they cause cell death of the cancerous cells.


  • Stomach pain
  • Weight loss
  • Vomiting
  • Nose bleeds
  • Fever
  • Chills
  • Headache
  • Ulcers
  • Diarrhea
  • Extreme tiredness
  • Cough
  • Shortness of breath
  • Muscle pain
  • Rashes
  • Loss of appetite
  • Blisters on hand and feet
  • Seizures
  • Yellowing of skin and eyes
  • Increased bruises and bleeding

This medicine is prescribed by the doctor hence, it is advisable to follow the prescription given. Tucaxen 150mg tablet is taken orally twice every day and it can be taken with or without food.

Missed dose

It is advisable to avoid missing any doses. In case you miss a dose of Tucaxen consult your doctor immediately.


In case of an overdose, contact your doctor or any healthcare provider and seek medical attention immediately.


  • Tucaxen can cause an allergic reaction in some patients. Therefore, gather complete information about the tablets before taking them and also consult the doctor to find an alternative medication.
  • Inform the doctor about all the vitamin supplements, herbal medications, and prescription and non-prescription drugs.
  • Regular use of Tucaxen 150mg can decrease fertility in both male and female patients.
  • It is advisable to avoid pregnancy and breastfeeding during and till one week after the final dosage since Tucaxen can harm the fetus.
  • Avoid alcohol consumption and also avoid driving and operating heavy machinery while taking Tucaxen tablets.
  • Inform the doctor if you suffer from either of these –
    • Diabetes
    • Liver (Hepatic) Disease
    • Kidney (Renal) disorder