Question 1

What is this medicine for, and how does it work?

Accepted Answer

This is a kinase inhibitor. It prevents the growth and division of cancer cells. It is used to treat certain types of breast cancer

Question 2

When and how should this medicine be taken?

Accepted Answer

• Take on empty stomach • Take 1 hour before or after meals • Avoid grapefruit

Question 3

When should this medicine not be used?

Accepted Answer

• During pregnancy • In lung disease

Question 4

What precautions should be taken before using this medicine?

Accepted Answer

• May cause liver problems - regular liver function tests needed • Can cause heart problems - monitor heart function • May cause diarrhea - contact doctor if severe • Use carefully in patients with lung disease • Not recommended during pregnancy or breastfeeding

Question 5

Is it safe to use this medicine during pregnancy?

Accepted Answer

• Not safe during pregnancy; • May cause fetal harm; • Avoid use

Question 6

Can this medicine be used while breastfeeding?

Accepted Answer

• May cause liver problems - regular liver function tests needed • Can cause heart problems - monitor heart function • May cause diarrhea - contact doctor if severe • Use carefully in patients with lung disease • Not recommended during pregnancy or breastfeeding

Question 7

Is this medicine suitable for children and elderly?

Accepted Answer

• For severe liver problems: - HER2+ breast cancer: 750mg once daily - Hormone receptor positive: 1g once daily

Question 8

What should be done if a dose is missed?

Accepted Answer

• If you miss a dose, take it as soon as you remember. • However, if it's time for your next dose, skip the missed dose. • Never take two doses in one day. • For thrice-daily dosing: If less than 2 hours until your next dose, skip the missed dose. • Take your next dose at the regular time. • If you miss multiple doses, contact your doctor.

Question 9

What should be done in case of an overdose?

Accepted Answer

• Overdose symptoms: Diarrhea, liver toxicity. • Treatment: Hydration, monitor liver function.

Question 10

What should be done if side effects are experienced?

Accepted Answer

• Common side effects: Diarrhea, anemia, hand-foot syndrome, liver problems, nausea, rash, vomiting, pain, low blood cells• What to do:- Regular blood tests- Monitor liver function- Report severe diarrhea- Skin care for rash- Stay hydrated; Stop taking the medication and seek medical advice if any severe side effect or unusual symptoms occur.

Question 11

What is Certus 250mg used for?

Accepted Answer

Certus 250mg (Lapatinib) is a pharmaceutical medicine manufactured by Beacon Pharmaceuticals Ltd. in Bangladesh. It is primarily prescribed for Breast Cancer.

Question 12

What is the active generic component of Certus?

Accepted Answer

The active ingredient in Certus is Lapatinib, belonging to the Tyrosine Protein Kinase Inhibitors drug class.

Question 13

What is the retail price of Certus 250mg in Bangladesh?

Accepted Answer

The official retail price of Certus 250mg (Tablet) is ৳350.00 in Bangladesh (prices may vary slightly by pack size and authorized pharmacy).

Question 14

What is the recommended dosage for Certus?

Accepted Answer

Standard adult dosage: Oral – 1250 mg (once daily). Pediatric dosage: Safety and efficacy not established. Always consult a registered physician for individualized dosage adjustments based on clinical assessment.

Question 15

Is Certus safe during pregnancy and breastfeeding?

Accepted Answer

Certus is classified under Pregnancy Category "Not Assigned". Always consult your healthcare provider or OB/GYN before taking this medication during pregnancy or lactation.

Question 16

What are the common side effects of Certus?

Accepted Answer

**More than 10% (lapatinib+capecitabine)**; Diarrhea (65%);Anemia (56%);Hand-foot synd (53%);Increased LFTs (37-49%);Nausea (44%);Rash (28%);Vomiting (26%);Pain (23%);Neutropenia (22%);Thrombocytopenia (18%);Mucositis (1

Clinical Information	Administration Information
Indication: HER2-overexpressing metastatic breast cancer	Dose: Oral – 1250 mg Frequency: once daily Duration: Days 1-21 continuously in a repeating 21-day cycle Note: Indicated in combination with capecitabine (2000 mg/m²/day by mouth divided every 12 hours) on Days 1-14 for patients whose tumors overexpress HER2 and who have received prior therapy including an anthracycline, a taxane, and trastuzumab.
Indication: Hormone-positive and HER2-positive advanced breast cancer Age: Postmenopausal	Dose: Oral – 1500 mg Frequency: once daily administered continuously Note: Indicated in combination therapy with letrozole 2.5 mg by mouth once daily for women for whom hormonal therapy is indicated.

Drug Name	Risk Factors
CYP3A4 inhibitors (e.g. ketoconazole, itraconazole, grapefruit juice), midazolam, irinotecan, digoxin	Increased concentration
CYP3A4 inducers (e.g. rifampin, carbamazepine, phenytoin), proton-pump inhibitors (e.g. esomeprazole)	Decreased concentration

Medicine Overview

Indication

What is this medicine for, and how does it work?

When and how should this medicine be taken?

When should this medicine not be used?

What precautions should be taken before using this medicine?

Is it safe to use this medicine during pregnancy?

Can this medicine be used while breastfeeding?

Is this medicine suitable for children and elderly?

What should be done if a dose is missed?

What should be done in case of an overdose?

What should be done if side effects are experienced?

Adult Dose

Child Dose

Drug Interaction

Disease Interaction

Pregnancy

Data Sources