Introduction: Herduo 250 mg tablet is used in the treatment of breast cancer.

Mode of Action: It works against the HER2 (human epidermal growth factor receptor protein) receptors and EGFRs (epidermal growth factor receptor) which are responsible for the over-proliferation of cells. This is how it inhibits the growth of cancerous cells causing downstream signaling pathways.

Dosage: The doctor will advise the dose and duration of the dosage form. Swallow it as a whole. Do not chew, crush or break it.

Special Precautions: Investigate liver function before, during and after treatment with this medicine.

Side Effects: The most common side effects of this medicine include nausea, headache, back pain and breathing difficulty.