Bazedoxifene: Uses, Dosage, and Side Effects Overview

Key Points About Bazedoxifene

Bazedoxifene is primarily prescribed to treat and prevent osteoporosis, manage menopausal symptoms, and reduce the risk of conditions such as estrogen receptor-positive breast cancer. It works by mimicking the effects of estrogen on bones while blocking its effects on other tissues. Bazedoxifene is often used in combination with hormone replacement therapy. Always consult your healthcare provider before starting or adjusting your dose. Our telemedicine providers are available to assist you today.

Bazedoxifene: Brand and Generic Names

US Brand Name: Duavee (Bazedoxifene with conjugated estrogens)

The generic name refers to the standard name of the medication, while the brand name is assigned by the manufacturer. The generic name is listed in parentheses.

Bazedoxifene Pharmacologic Category

Pharmacologic Class: Selective Estrogen Receptor Modulator (SERM)

Mechanism of Action: Estrogen Agonist/Antagonist

Bazedoxifene Dosage and Treatment Guidelines

Bazedoxifene is prescribed for various conditions, with dosage and frequency tailored to the specific condition being treated. Always follow your doctor’s instructions and consult them before making any changes to your medication. If you need to speak to a healthcare provider, our telemedicine team is here to assist you.

Bazedoxifene for Osteoporosis (Prevention and Treatment)

Dosage: 20 mg once daily

Length of Treatment: Long-term, as directed by your healthcare provider

Bazedoxifene for Menopausal Symptoms (Hot Flashes, Night Sweats)

Dosage: Bazedoxifene 20 mg combined with conjugated estrogens 0.45 mg, taken once daily

Length of Treatment: As directed by your healthcare provider, typically for short-term use

Bazedoxifene for Postmenopausal Osteoporosis (Prevention)

Dosage: 20 mg once daily

Length of Treatment: Long-term, as directed by your healthcare provider

Bazedoxifene for Bone Density Loss

Dosage: 20 mg once daily

Length of Treatment: Long-term, as directed by your healthcare provider

Bazedoxifene in Hormone Replacement Therapy (HRT)

Dosage: Bazedoxifene 20 mg combined with conjugated estrogens 0.45 mg, taken once daily

Length of Treatment: As directed by your healthcare provider

Bazedoxifene for Estrogen Receptor-Positive Breast Cancer (Risk Reduction)

Dosage: 20 mg once daily

Length of Treatment: As directed by your healthcare provider

Bazedoxifene for Cardiovascular Disease (Risk Reduction)

Dosage: 20 mg once daily

Length of Treatment: As directed by your healthcare provider

Bazedoxifene for Hyperlipidemia (High Cholesterol)

Dosage: 20 mg once daily

Length of Treatment: As directed by your healthcare provider

Bazedoxifene for Endometrial Hyperplasia (Prevention)

Dosage: Bazedoxifene 20 mg combined with conjugated estrogens 0.45 mg, taken once daily

Length of Treatment: As directed by your healthcare provider

Bazedoxifene for Osteopenia (Low Bone Density)

Dosage: 20 mg once daily

Length of Treatment: Long-term, as directed by your healthcare provider

Bazedoxifene Dosage Forms and Strengths

Available Forms:

1. Tablet: 20 mg (Bazedoxifene)
2. Tablet: Bazedoxifene 20 mg combined with conjugated estrogens 0.45 mg

How to Take Bazedoxifene: Administration Instructions

Bazedoxifene should be taken orally, with or without food, as directed by your healthcare provider. It is important to take it at the same time each day to maintain consistent levels in your body. Swallow the tablet whole with water. Do not crush or chew the tablet. If you miss a dose, take it as soon as you remember, unless it’s almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Do not double up on doses.

Bazedoxifene Side Effects and Adverse Reactions

As with any medication, Bazedoxifene may cause side effects. It’s important to be aware of these potential reactions and contact your healthcare provider if you experience any concerning symptoms. If you have questions or concerns, our telemedicine providers are available to assist you.

Common Side Effects (1-10%): Hot flashes, muscle cramps, nausea, dizziness, and throat irritation. These side effects are typically mild and may subside as your body adjusts to the medication.

Less Common Side Effects (0.1-1%): Blood clots, stroke, and an increased risk of cardiovascular events. These are more serious side effects and require immediate medical attention if they occur.

Rare Side Effects (<0.1%): Allergic reactions, such as rash, itching, swelling, and difficulty breathing. Seek emergency medical help if you experience any of these symptoms.

Bazedoxifene Contraindications

A contraindication is a specific situation or condition in which a medication should not be used because it may be harmful. Before starting Bazedoxifene, it’s important to understand if you have any conditions that make this medication unsafe for you.

Pregnancy: Bazedoxifene is contraindicated during pregnancy as it may harm the unborn baby. It is classified as a pregnancy category X drug, meaning the risks clearly outweigh any potential benefits.

History of Blood Clots: If you have a history of blood clots (such as deep vein thrombosis, pulmonary embolism, or stroke), Bazedoxifene increases the risk of clot formation, making it unsafe to use.

Active or Past Breast Cancer: Bazedoxifene is contraindicated in patients with estrogen receptor-positive breast cancer as it may stimulate the growth of cancer cells.

Severe Liver Disease: Bazedoxifene is processed by the liver. If you have severe liver disease, your body may not metabolize the drug properly, leading to potential toxicity.

Unexplained Vaginal Bleeding: This could be a sign of a more serious condition, such as endometrial cancer. Bazedoxifene may mask symptoms or worsen the condition.

Drug to Drug Interactions

It’s crucial to inform your healthcare provider about all medications you are currently taking, including over-the-counter drugs, supplements, and herbal products. Bazedoxifene can interact with other medications, potentially leading to harmful effects or reducing the effectiveness of one or both drugs.

1. Rifampin (Rifadin): This antibiotic can decrease Bazedoxifene’s effectiveness by speeding up its breakdown in the liver.
2. Carbamazepine (Tegretol): This anti-seizure medication can also increase Bazedoxifene’s metabolism, making it less effective.
3. Warfarin (Coumadin): Bazedoxifene may interfere with blood-thinning medications like warfarin, increasing the risk of bleeding or clotting complications.
4. Estrogen-containing products: Combining Bazedoxifene with estrogen products (such as birth control pills or hormone replacement therapy) may raise the risk of side effects, including blood clots.

Bazedoxifene in Pregnancy

No, Bazedoxifene is not safe during pregnancy. It is classified as a pregnancy category X drug, meaning it has been shown to cause harm to a developing fetus. If you are pregnant or planning to become pregnant, you should not take Bazedoxifene. If you become pregnant while on this medication, contact your healthcare provider immediately.

Bazedoxifene while Breastfeeding

No, Bazedoxifene is not recommended while breastfeeding. Although it is unclear whether Bazedoxifene passes into breast milk, the potential for serious adverse effects in a nursing infant suggests it is best to avoid this medication while breastfeeding. Consult your healthcare provider for safer alternatives.

Estimated Cost of Bazedoxifene

The estimated cost of a 30-day supply of Bazedoxifene without insurance, using a GoodRX coupon, ranges from $150 to $200. Prices may vary depending on your location and pharmacy. Be sure to check for discounts or speak with your healthcare provider about more affordable options.

Possible Alternatives to Bazedoxifene

If Bazedoxifene is not suitable for you, alternative treatments and lifestyle changes may help manage your condition. Always discuss these options with your healthcare provider before making any changes to your treatment plan. You can also schedule a telemedicine appointment with one of our providers to explore these alternatives.

1. Osteoporosis: Alternatives include bisphosphonates (such as Alendronate or Risedronate), calcium and vitamin D supplements, and weight-bearing exercises to strengthen bones.
2. Menopausal Symptoms: Hormone replacement therapy (HRT) may be an option, or non-hormonal treatments like SSRIs (e.g., Paroxetine) and lifestyle changes such as regular exercise and a balanced diet.
3. Postmenopausal Osteoporosis: Other options include selective estrogen receptor modulators (SERMs) like Raloxifene or injectable treatments like Denosumab (Prolia).
4. Bone Density Loss: Lifestyle changes, such as increasing calcium and vitamin D intake, along with weight-bearing exercises, can help. Medications like bisphosphonates may also be effective.
5. Hormone Replacement Therapy (HRT): Alternatives include bioidentical hormones, low-dose antidepressants, or non-hormonal medications like Gabapentin for symptom relief.
6. Estrogen Receptor-Positive Breast Cancer: Tamoxifen or aromatase inhibitors (such as Anastrozole) are commonly used alternatives to Bazedoxifene for managing this type of cancer.
7. Cardiovascular Disease: Lifestyle changes, such as a heart-healthy diet, regular exercise, and medications like statins (e.g., Atorvastatin), can help manage cardiovascular risk.
8. Hyperlipidemia: Statins, fibrates, and lifestyle changes like reducing saturated fat intake and increasing physical activity are common alternatives.
9. Endometrial Hyperplasia: Progestin therapy or a levonorgestrel-releasing intrauterine device (IUD) may be considered as alternatives to Bazedoxifene.
10. Osteopenia: Similar to osteoporosis, lifestyle changes and medications like bisphosphonates or SERMs can help slow bone loss and improve bone density.

Recent Updates on Bazedoxifene Research

Recent studies have explored the potential of Bazedoxifene beyond its current uses. Research is ongoing to determine if Bazedoxifene, in combination with other medications, may be effective in treating certain types of breast cancer. Early findings suggest that Bazedoxifene may help inhibit the growth of estrogen receptor-positive breast cancer cells, but more clinical trials are needed to confirm these results.

Additionally, researchers are investigating Bazedoxifene’s role in cardiovascular health. Some studies suggest it may have a protective effect on the heart by improving cholesterol levels and reducing inflammation. However, more evidence is needed before it can be recommended for this purpose.

As always, it’s important to stay informed about new research and discuss any potential changes to your treatment plan with your healthcare provider. You can schedule a telemedicine appointment with one of our providers to review any new findings and how they may apply to your health.

James Kingsley

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