The standard dose of Tucatinib is 300 milligrams per dose, taken orally twice a day. Under normal circumstances, there is no need to calculate the number of tablets, and the specific medication should be adjusted according to the drug specifications and medical advice.

1. Explanation of Conventional Dosage

(1) Recommended dose for adults: 300mg each time, twice a day (with an interval of about 12 hours), with a total daily dose of 600mg.

(2) Medication method: It can be taken with food or on an empty stomach. It is recommended to take medication at a fixed time to maintain stable blood drug concentration.

2 Special dose adjustments

(1) Liver dysfunction: Children Pugh grade C patients need to reduce their dosage to 200mg twice a day.

(2) Combination therapy: If used in combination with drugs such as trastuzumab, the specific dosage requirements of the combination regimen must be followed.

3 tablets conversion reference

(1) Common specifications: If it is 150mg/tablet, 2 tablets need to be taken each time, for a total of 4 tablets per day.

(2) Other specifications: Conversion should be based on the actual milligrams indicated on the drug label, for example, one tablet per 300mg tablet.

4 Medication precautions

(1) Omission treatment: If the medication time is missed, there is no need to take it again. The next time, continue taking the medication according to the original plan.

(2) Overtreatment: In case of accidental overdose, seek medical attention immediately and monitor for adverse reactions.