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Estradiol oral tablet dosage: A detailed guide

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Form and strengthsDosageFAQHow it’s takenCouponOverdoseAsk your doctorBoxed warnings
Doctors prescribe estradiol oral tablet for symptoms of menopause. It’s also prescribed to treat other conditions. You take it by mouth up to three times per day.
Medically reviewed by Victor Nguyen, PharmD, MBA
Updated on

This article describes estradiol oral tablet’s dosages and strengths and gives details on how to take it. You’ll also find information on cost savings and coupon options for estradiol. If you want to know more about estradiol oral tablet, see this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.

Estradiol oral tablet is a generic medication. It’s not available in a brand-name version. Estradiol also comes in forms that are applied to the skin and forms that are applied in the vagina, but those forms aren’t described in this article. To learn more about those forms, talk with your doctor.

This drug has boxed warnings about the risk of the following effects:

  • certain types of cancers
  • dementia
  • serious heart and blood vessel conditions

A boxed warning is the most serious warning from the Food and Drug Administration (FDA). See the end of this article for more information about these warnings.

Form and strengths of estradiol

Estradiol oral tablet comes as follows:

  • Form: tablet that you swallow
  • Strengths: 0.5 milligrams (mg), 1 mg, 2 mg

Dosage of estradiol

This article describes the recommended dosages for estradiol oral tablet. The drugmaker provides these dosages.

If your doctor prescribes this medication, you should follow the dosage they prescribe. Your doctor will determine the dosage that best meets your needs. Do not change your dosage of estradiol oral tablet without your doctor’s recommendation.

Usual recommended dosages of estradiol

Estradiol oral tablet is used for several conditions in adults. These include:

Usually, doctors start by prescribing a low dosage of estradiol oral tablet. Then, they’ll adjust it over time until the right dosage is reached. Ultimately, your doctor will prescribe the smallest dosage of estradiol oral tablet that gives the desired outcome.

Dosage for managing symptoms related to menopause

  • Dose: 1–2 milligrams (mg)
  • Frequency: once per day

Your doctor will likely have you take estradiol oral tablet in cycles. For example, they may have you take it for 3 weeks, then take 1 week off.

Note: If you have a uterus, your doctor will likely prescribe a progesterone medication along with estradiol. Taking progesterone will lower the risk of endometrial (uterine) cancer.

Dosage for increasing low estrogen levels

  • Dose: 1–2 mg
  • Frequency: once per day

Dosage for certain types of breast cancer

  • Dose: 10 mg
  • Frequency: three times per day

Dosage for certain types of prostate cancer

  • Dose: 1–2 mg
  • Frequency: three times per day

Dosage for prevention of osteoporosis

Your doctor will determine your dosage of estradiol for osteoporosis prevention.

Dosage adjustments for estradiol

Your doctor will prescribe a dosage of estradiol oral tablet based on several factors. These include:

  • the specific condition being treated and how severe it is
  • your age
  • other health conditions you may have
  • other medications you take

Missed dose of estradiol

Talk with your doctor or pharmacist right away if you realize you forgot to take a dose of estradiol oral tablet. They may advise you to take the missed dose. Or they may advise you to skip it and take your next dose as scheduled.

For tips on how to plan your doses of estradiol oral tablet and avoid missing a dose, read this article. You could also try:

  • downloading a reminder app on your phone
  • setting an alarm
  • putting a note where you’ll see it, such as on your calendar, bathroom mirror, or bedside table

Frequently asked questions

Below are answers to some commonly asked questions about estradiol oral tablet and its dosage.

What is considered a low dose or high dose of estradiol?

The lowest recommended dose of estradiol oral tablet is 1 milligram (mg) once per day. The highest recommended dose is 10 mg three times per day. The recommended dosage will differ depending on the specific use of estradiol. To reduce the risk of side effects, your doctor will prescribe the lowest possible dosage that’s effective for your condition.

If you have questions about what the right dosage is for you, talk with your doctor.

Is estradiol taken long term?

Possibly. Doctors may prescribe estradiol oral tablet as a short-term or long-term treatment, depending on what you’re taking it for. If you and your doctor determine that it’s safe and effective for your condition, you may take it long term.

If you have questions about how long you should take estradiol oral tablet, talk with your doctor.

How estradiol is taken

You’ll swallow estradiol oral tablet up to three times per day, as prescribed by your doctor. You can take it with or without food. Taking it with food may lower your risk of stomach upset.

Your doctor may advise that you take this medication around the same time each day. This helps keep a consistent amount of the drug in your body. And that can help the drug work more effectively.

The drugmaker has not made any recommendations on whether estradiol tablets can be cut, crushed, or dissolved. If it’s hard for you to swallow tablets, view this article. It provides suggestions on how to swallow medications that come in pill form.

Also, be sure to talk with your doctor or pharmacist if you’re having difficulty taking your medication. They can offer recommendations about taking it.

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Overdose of estradiol

It’s important that you do not take more estradiol oral tablet than your doctor prescribes. Doing so can lead to harmful effects.

Symptoms of estradiol overdose

Symptoms of an overdose can include:

* Sex and gender exist on spectrums. In this article, we use the term “female” to refer to a person’s sex assigned at birth.

What to do if you take too much estradiol

If you think you’ve taken too much estradiol, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.

What to ask your doctor

This article describes the usual recommended dosages for estradiol oral tablet. If your doctor prescribes this medication, they’ll determine the dosage that’s best for you.

Do not change your dosage of estradiol oral tablet without your doctor’s recommendation. You should take estradiol oral tablet exactly as your doctor prescribes it. Let your doctor know if you have concerns or questions about your treatment plan.

Here’s a list of possible questions you may want to ask your doctor:

  • How long will I need to take estradiol?
  • How does estradiol oral tablet compare to other forms of estrogen that can be used for my condition?
  • Will a higher dosage of estradiol raise my risk of side effects?

Boxed warnings for estradiol

This drug has boxed warnings about the following risks. A boxed warning is the most serious warning from the Food and Drug Administration (FDA).

Risk of certain types of cancer. Medications that contain estrogen alone, such as estradiol, can increase your risk of certain types of cancer. When used alone, it can raise the risk of endometrial (uterine) cancer. When taken with progesterone, it may increase the risk of breast cancer.

Due to this risk, your doctor will prescribe the lowest dose that’s effective for your condition. And they’ll prescribe it for the shortest amount of time. They may also recommend routine cancer screenings.

If you develop any symptoms of cancer, such as a lump in your breast, unusual vaginal bleeding, unexplained weight loss, or pain in your pelvis, contact your doctor.

Risk of dementia. Taking estrogen medications, such as estradiol, with progesterone can increase your risk of dementia if you’re a female* age 65 years or older and have gone through menopause.

* Sex and gender exist on spectrums. In this article, we use the term “female” to refer to a person’s sex assigned at birth.

Risk of serious heart and blood vessel conditions. Estradiol can raise your risk of serious heart and blood vessel problems, such as heart attack, strokes, and blood clots. Due to this risk, your doctor will likely not prescribe estradiol oral tablet if you have a history of heart and blood vessel conditions or if you’re at high risk of these issues.

If you develop any signs or symptoms of a heart attack, stroke, or blood clot, call 911 or your local emergency number right away. Examples include weakness on one side of your body, trouble speaking, blurred vision, chest pain, chest tightness, or trouble breathing.

To learn more about risks associated with taking estradiol oral tablet, talk with your doctor.

Disclaimer: Optum Perks has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.

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