Geftinat 250 mg Tablet 30s

Side Effects of Geftinat 250 mg Tablet 30s

GI disturbances, anorexia; hepatotoxicity; rash, acne, dry skin, skin blemishes; weakness; peripheral oedema; amblyopia; cough, dyspnoea; conjunctivitis; mouth ulceration; eye irritation, corneal membrane sloughing, ocular ischaemia or haemorrhage; pancreatitis; toxic epidermal necrolysis; erythema multiforme; hypersensitivity reactions. Potentially Fatal: Interstitial lung disease.

Drug Interactions

CYP3A4 inducers and H2-receptor antagonists decrease effectiveness of gefitinib. CYP3A4 inhibitors increase efficacy of gefitinib. Increased metoprolol concentrations. INR elevations and/or bleeding events with warfarin. Increased plasma concentrations of metoprolol when used with gefitinib.

Contraindications

Hypersensitivity; pregnancy; lactation.

Mechanism of Action

Gefitinib is an anilinoquinazoline. Gefitinib generally attaches to epidermal growth factor receptors (EGFRs), thereby blocking the attachment of EGF and the activation of tyrosine kinase. It is used as monotherapy for the treatment of locally advanced or metastatic nonsmall cell lung cancer after failure of both platinum-based and docetaxel chemotherapies.

Special Precautions

Severe renal or hepatic impairment; idiopathic pulmonary fibrosis; acute onset or worsening of pulmonary or eye symptoms. Monitor hepatic function periodically. Monitor regularly for changes in prothrombin time or International Normalized Ratio in patients on warfarin treatment.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

Content Disclaimer

This content is for educational purposes only. Please consult your doctor before use.