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A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Tukysa is a medication available by prescription that is used with:
Tukysa comes in 50 mg and 150 mg tablets for oral use.
Take Tukysa exactly as your doctor has prescribed. Tell your doctor or pharmacist about any questions or concerns you have about the medication.
The recommended dose is 300 mg by mouth twice a day. The medication may be taken with or without food.
Patients with liver problems may require a lower dose.
Tucatinib is the active ingredient contained in each Tukysa tablet.
The core of each tablet contains copovidone, crospovidone, sodium chloride, potassium chloride, sodium bicarbonate, colloidal silicon dioxide, magnesium stearate, and microcrystalline cellulose. The coating of each tablet contains polyvinyl alcohol, titanium dioxide, macrogol/polyethylene glycol, talc, and yellow iron oxide non-irradiated.
There are no contraindications per Tukysa’s most recent Prescribing Information.
Diarrhea, hand-foot syndrome, nausea, liver damage, vomiting, inflamed/sore mouth, decreased appetite, anemia, rash, fatigue, stomach pain, infusion-related reactions, and fever are common Tukysa side effects. However, other side effects can occur. Call your doctor immediately if you experience bothersome or persistent side effects.
Tukysa. Bothell, WA: Seagen Inc.; 2023.