Which fruits should not be eaten after receiving Herceptin (trastuzumab)?

Aug 21, 2023 Source: Cainiu Health
Dr. You Zhangxuan
Introduction
Under normal circumstances, Herceptin, also known as trastuzumab for injection, should not be followed by consumption of fruits such as grapefruit, lemon, persimmon, pomegranate, or pomelo. 1. Grapefruit: Naringenin in grapefruit can affect the metabolism of certain drugs, including trastuzumab for injection. Therefore, during treatment with trastuzumab for injection, grapefruit should be avoided or its intake limited.

Under normal circumstances, Herceptin, also known as trastuzumab for injection, should not be used in combination with certain fruits such as grapefruit, lemon, persimmon, pomegranate, and pomelo. The specific analysis is as follows:

1. Grapefruit

Naringenin in grapefruit can affect the metabolism of certain drugs, including trastuzumab for injection. Therefore, it is recommended to avoid or limit grapefruit consumption during treatment with trastuzumab for injection.

2. Lemon

Lemons are rich in vitamin C, which may increase the excretion rate of some drugs. Although this effect may not significantly impact trastuzumab, it is still advisable to avoid lemon intake during treatment.

3. Persimmon

Persimmons contain high levels of tannic acid, which may interact with certain medications. Therefore, persimmon should be avoided during treatment with trastuzumab for injection.

4. Pomegranate

Pomegranates are rich in antioxidants, which may interfere with drug metabolism. Hence, pomegranate should be avoided during treatment with this medication.

5. Pomelo

Pomelo contains naringenin, which may affect drug absorption and metabolism. Therefore, pomelo should be avoided during treatment with trastuzumab for injection to prevent any potential impact on therapeutic efficacy.

When using trastuzumab for injection, to avoid causing harm to the body, it is strongly recommended to follow the guidance of a qualified healthcare professional.

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