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Active pharmaceutical ingredient

Tamoxifen Citrate

Tamoxifen Citrate is a selective estrogen receptor modulator (SERM) widely utilized in the management of hormone receptor-positive breast cancer.

Compounded to order
Prescription required
Warwick, Rhode Island

About this ingredient

Tamoxifen Citrate is a selective estrogen receptor modulator (SERM) widely utilized in the management of hormone receptor-positive breast cancer. It functions by binding to estrogen receptors, thereby inhibiting the proliferative action of estrogen on mammary epithelium, which is crucial in the treatment and prevention of breast cancer recurrence.

In addition to its primary use in oncology, Tamoxifen Citrate is also employed in various off-label applications, including the management of gynecomastia and infertility in men. Its ability to modulate estrogen activity makes it a versatile agent in addressing conditions associated with estrogen imbalance.

Pharmacologically, Tamoxifen Citrate is well-absorbed orally, with a bioavailability that allows for effective systemic distribution. It undergoes hepatic metabolism, primarily via cytochrome P450 enzymes, to active metabolites such as endoxifen, which contribute significantly to its therapeutic effects.

Prescribers should be aware of potential side effects, including hot flashes, thromboembolic events, and an increased risk of endometrial cancer, necessitating careful patient monitoring. The risk-benefit profile of Tamoxifen Citrate should be thoroughly evaluated in each patient, particularly in those with pre-existing conditions that may be exacerbated by its use.

Given its critical role in breast cancer therapy, Tamoxifen Citrate remains a cornerstone in the treatment regimen for many patients, offering a significant survival benefit. Its inclusion in compounded formulations allows for tailored dosing and delivery methods, enhancing patient compliance and therapeutic outcomes.

Available formulations

Compounded formulations containing this ingredient

Each of these is compounded to order at our Warwick, Rhode Island pharmacy and requires a prescription.

We do not have a patient page for this ingredient yet. That does not mean we cannot make it. Bayview compounds this ingredient to a prescriber's order, and our full compounding formulary lists every preparation we make. Viewing the formulary requires a prescriber account.

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Compounding formulary

Formulas we compound with this ingredient

A sample of preparations from our formulary. Strengths and dose forms are customised to the prescription.

Common questions

Frequently asked questions

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Related

Related active ingredients

Other salt forms of this molecule, and ingredients commonly compounded alongside it.

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Important information

This page describes an active pharmaceutical ingredient, not a finished drug product. Bayview Pharmacy compounds preparations containing it only on a prescriber's order for an individual patient.

Compounded preparations are not FDA-approved, and the FDA has not evaluated them for safety, effectiveness, or manufacturing quality. Nothing on this page is a claim that any preparation is effective for any condition.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice — discuss your situation with a licensed healthcare provider.

Talk to a compounding pharmacist

Our pharmacists work with prescribers to build preparations around a patient's dose, form and tolerances. Ask us what is possible with this ingredient.