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Starting from $18.30

Iressa or the generic gefitinib is an anti-cancer drug that is prescribed for the treatment of non-small cell lung cancer. It acts by interfering with the growth and further progress of cancer causing cells. This medication is used when all other medications fails to give the positive results. Gefitinib is the main component of this medicine that is a tyrosine kinase inhibitor.

Quantity Strength Price Unit Price
30 Tablets Iressa 250 mg - Generic $548.99 $18.30
90 Tablets Iressa 250 mg - Generic $1,646.99 $18.30


Iressa is an FDA approved medication that contains gefitinib as the main active pharmaceutical ingredient. Gefitinib belongs to the class of tyrosine kinase inhibitor enzyme and is mainly used to treat various kinds of cancer. Iressa shows its effect by averting cancerous cells from growing and multiplying. Gefitinib acts by binding to the epidermal growth factor receptors (EGRF’s) and hence inhibit the binding of epidermal growth factor, and hence inhibits the activation of tyrosine kinase. This inhibition of activation of tyrosine kinase results into the inhibition of growth and division of cancer causing cells. Gefitinib acts as an epidermal growth factor receptor- tyrosine kinase inhibitor that shows its effect to obstruct the signals for the growth and survival of cancer causing cells in case of non-small cell lung cancer.

Additional Information

Generic Gefitinib
Strength No

Before initiating the treatment with Iressa read all the instructions carefully that is mentioned on the leaflet. Take the medication as per the prescription only. Don’t increase or decrease your dose without consulting it with the health provider. You can the medicine with or without food that all depends upon your preference. You can swallow the whole tablet in the glass of water or for easy swallowing place the tablet in a glass of water and let it be dispersed, it takes about 20 minutes to get dissolved easily. Take the glass straight away after 20 minutes and rinse it with water once and drink it so that the complete dose has been taken. In case you missed to take the dose of Iressa take it as soon you recall but if the time is about to your next dose then skip the missed dose and continue with the regular dosing schedule. Don’t take double dose to makeup with the missed dose. In case of overdose take immediate medical help. Overdosing can result into an unwanted effect.

Side Effects

As like all other medicines for the treatment of cancer Iressa also has some unwanted effects along with it. These effects are temporary and for short interval of time but if the unwanted effects persist for more than the expected time take medical help in that particular situation. Side effects related to this medicine are

Common effects- Nausea, vomiting, blister formation, acne, chills, fever, pain in the chest, feeling of heaviness, dry skin, wheezing, dry cough, dizziness, shortening of breathing, irritation in the eyes, tiredness, loss of appetite, sudden loss of weight, pain the spread throughout the body.

Allergic effects- Skin rashes, itching, irritation, problem in breathing, hives, swelling of lips, face, mouth.

  • Iressa usage is contraindicated in a case of hypersensitive to gefitinib and other components of this medicine. 
  • Iressa usage is contraindicated in case of past medical history of liver disease, kidney related disease, breathing problem, lung disorder other than that of lung cancer and bleeding problem. 
  • Drugs that interact with the action of Iressa are blood thinner, phenytoin, fluconazole, ketoconazole, erythromycin, nefazodone, ritonavir. 
  • Consumption of Grapefruit juice and grapefruit is prohibited in case of Iressa. 
  • Iressa is not recommended to be used in case of pregnancy as it can harm to the foetus.
  •  Iressa is not recommended to be used in case of breast feeding as it can pass through breast milk can be toxic to the new born child. 
  • It is advisable to avoid sex while having the cancer treatment but if still you want to have sex then use condoms as the mode of contraception.

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