Lymphoseek Side Effects

On March 13, 2013, the U.S. Food and Drug Administration (FDA) approved Lymphoseek injections to help the doctor locate a lymph node in patients with breast cancer. The injections are useful for people undergoing surgery to remove tumor-draining lymph nodes, which filter lymphatic fluid that flows from the body’s tissues.

In clinical trials, Lymphoseek was administered to 542 patients. None of the patients reported any serious side effects. However, Lymphoseek, the first new lymph node mapping drug may have a few mild side effects. Lymphoseek mild side effects include:

Side Effects of Lymphoseek

Injection Site

Lymphoseek is administered through injections by doctors. Patients treated with Lymphoseek injection may feel pain, tenderness, bruising or mild bleeding and irritation at the site of injection. Just like any other injected medication, Lymphoseek medication may also cause mild rash or itching.

These side effects are harmless until they become more persistent. According to clinical trials, irritation at the injection site has been reported in 0.6 percent of patients (3 out of 542). However, the pain was just reported in 0.2 percent of patients. Other adverse reactions were uncommon, of mild severity and short duration.

Nursing Mothers

To date, no clinical trials have reported the effect of Lymphoseek on nursing mothers. Based on the clearance of the drug, it is advisable to discard breast milk for at least four hours after the administration of Lymphoseek.

Talk to your doctor if you are breastfeeding and taking Lymphoseek injections.

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