Tamoxifen Oral Tablet 10Mg Drug Medication Dosage Information
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Tamoxifen: Oral tablet (10mg)

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Drug Image file DrugItem_20962.JPG
Tamoxifen 10mg Tab
Actavis Inc. formerly Watson Pharmaceuticals Inc
Pill Identification: WPI  |  2232
Drug Image file DrugItem_1921.JPG
Tamoxifen 10mg Tab
Teva Pharmaceuticals USA Inc
Pill Identification: 93 784 
Drug Image file DrugItem_7164.JPG
Tamoxifen 10mg Tab
Mylan Pharmaceuticals Inc
Pill Identification: M  |  144

What is this Medicine?

TAMOXIFEN (ta MOX i fen) blocks the effects of estrogen. It is commonly used to treat breast cancer. It is also used to decrease the chance of breast cancer coming back in women who have received treatment for the disease. It may also help prevent breast cancer in women who have a high risk of developing breast cancer.

CVS Pharmacy Patient Statistics for Tamoxifen: Oral tablet(10mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information
Select a Medication

Tamoxifen Citrate 10mg Tablet

NDC: 005912472
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Breast Cancer, Breast Cancer Prophylaxis

Sometimes used for but not FDA approved for the following conditions:
Precocious Puberty, Malignant Melanoma, Malignant Glioma, Osteoporosis, Desmoid Tumor, Ovarian Cancer, Bipolar Disorder, Mastalgia, Infertility

Storage Information
Store at controlled room temperature (between 68 and 77 degrees F)
Tamoxifen Citrate 10mg Tablet
Drug Image file DrugItem_20962.JPG
Actavis Inc. formerly Watson Pharmaceuticals Inc
Pill Identification: WPI  |  2232
Shape: round
Color: white

Reported Side Effects for Tamoxifen Citrate 10mg Tablet

Hot Flashes Incidence:
<45.0%*
Severity: SEVERE
Onset: EARLY
Low Platelet Count Incidence:
<0.1%*
Severity: SEVERE
Onset: DELAYED
High Triglycerides Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Lung Inflammation Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Stevens-Johnson Syndrome Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Blistery Rash Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Bleeding Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Angioedema Incidence:
<1.0%*
Severity: SEVERE
Onset: RAPID
Fluid Retention Incidence:
<11.0%*
Severity: MODERATE
Onset: DELAYED
Inflamed Pancreas Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Erythema Multiforme Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Vaginal Discharge Incidence:
<12.3%*
Severity: SEVERE
Onset: DELAYED
Blood Clot In Lung Incidence:
0.3-0.5%*
Severity: SEVERE
Onset: DELAYED
Irritated Blood Vessels Incidence:
0.4%*
Severity: MODERATE
Onset: RAPID
Brain Attack Incidence:
0.5-3.0%*
Severity: SEVERE
Onset: EARLY
Secondary Malignancy Incidence:
0.5-0.6%*
Severity: MODERATE
Onset: DELAYED
Blood Clot Incidence:
0.5-2.0%*
Severity: SEVERE
Onset: DELAYED
Stomach Pain Incidence:
1.0-9.0%*
Severity: MILD
Onset: EARLY
High Calcium Levels Incidence:
1.0-10.0%*
Severity: MODERATE
Onset: DELAYED
Decreased Appetite Incidence:
1.0%*
Severity: MILD
Onset: DELAYED
Heart Attack Incidence:
1.1%*
Severity: SEVERE
Onset: DELAYED
Chest Pain Incidence:
1.6%*
Severity: MODERATE
Onset: EARLY
Vaginal Bleeding Incidence:
2.0-23.0%*
Severity: MODERATE
Onset: DELAYED
High Bilirubin Level Incidence:
2.0%*
Severity: MODERATE
Onset: DELAYED
Depression Incidence:
2.0-12.0%*
Severity: MODERATE
Onset: DELAYED
Muscle And/Or Bone Pain Incidence:
3.0%*
Severity: MILD
Onset: EARLY
High Cholesterol Incidence:
3.5%*
Severity: MODERATE
Onset: DELAYED
Tired Incidence:
4.0-18.0%*
Severity: MILD
Onset: EARLY
Swelling Incidence:
4.0%*
Severity: MODERATE
Onset: DELAYED
Cough Incidence:
4.0-9.0%*
Severity: MILD
Onset: DELAYED
Constipation Incidence:
4.4-8.0%*
Severity: MODERATE
Onset: DELAYED
Chest Pain Incidence:
5.0%*
Severity: MODERATE
Onset: EARLY
Elevated Hepatic Enzymes Incidence:
5.0%*
Severity: MODERATE
Onset: DELAYED
Paresthesias Incidence:
5.0%*
Severity: MILD
Onset: DELAYED
Upset Stomach Incidence:
5.0-26.0%*
Severity: MILD
Onset: EARLY
Muscle Pain Incidence:
5.0%*
Severity: MILD
Onset: EARLY
Vaginal Infection Incidence:
5.0%*
Severity: MODERATE
Onset: DELAYED
Low White Blood Cells Incidence:
5.0%*
Severity: MODERATE
Onset: DELAYED
Sinus Infection Incidence:
5.0%*
Severity: MILD
Onset: DELAYED
Hair Loss Incidence:
5.2%*
Severity: MILD
Onset: DELAYED
Nervousness Incidence:
6.0%*
Severity: MILD
Onset: DELAYED
Bone Pain Incidence:
6.0%*
Severity: MODERATE
Onset: DELAYED
Upset Stomach Incidence:
6.0%*
Severity: MILD
Onset: EARLY
Excessive Sweating Incidence:
6.0%*
Severity: MILD
Onset: DELAYED
Breast Pain Incidence:
6.0%*
Severity: MILD
Onset: DELAYED
Irregular Periods Incidence:
6.0-25.0%*
Severity: MILD
Onset: DELAYED
Infection Incidence:
6.0-10.0%*
Severity: MILD
Onset: DELAYED
Osteoporosis Incidence:
7.0%*
Severity: MODERATE
Onset: DELAYED
Loose Stools Incidence:
7.0%*
Severity: MILD
Onset: EARLY
Cataracts Incidence:
7.0-8.1%*
Severity: MODERATE
Onset: DELAYED
Broken Bones Incidence:
7.0%*
Severity: SEVERE
Onset: DELAYED
Shortness Of Breath Incidence:
8.0%*
Severity: MODERATE
Onset: EARLY
Headache Incidence:
8.0%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
8.0%*
Severity: MILD
Onset: EARLY
Inability To Sleep Incidence:
9.0%*
Severity: MILD
Onset: EARLY
Light Menstrual Period Incidence:
9.0%*
Severity: MILD
Onset: DELAYED
Vaginal Discharge Incidence:
9.0%*
Severity: MILD
Onset: DELAYED
Weight Gain Incidence:
9.0%*
Severity: MILD
Onset: DELAYED
Back Pain Incidence:
10.0%*
Severity: MILD
Onset: DELAYED
High Blood Pressure Incidence:
11.0%*
Severity: MODERATE
Onset: EARLY
Joint Pain Incidence:
11.0%*
Severity: MILD
Onset: DELAYED
Vomiting Incidence:
12.0%*
Severity: MILD
Onset: EARLY
Skin Rash Incidence:
13.0%*
Severity: MILD
Onset: EARLY
Sore Throat Incidence:
14.0%*
Severity: MILD
Onset: DELAYED
No Menstrual Periods Incidence:
16.0%*
Severity: MILD
Onset: DELAYED
Weakness Incidence:
18.0%*
Severity: MILD
Onset: DELAYED
Weight Loss Incidence:
23.0%*
Severity: MILD
Onset: DELAYED
Fluid Retention Incidence:
32.0%*
Severity: MODERATE
Onset: DELAYED
Flushing Incidence:
33.0%*
Severity: MILD
Onset: RAPID
Peripheral Vasodilation Incidence:
41.0%*
Severity: MODERATE
Onset: RAPID
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Tamoxifen Citrate 10mg Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Major Lifestyle Interaction
Grapefruit juice and Tamoxifen Citrate 10mg Tablet(Tamoxifen Citrate)
Grapefruit juice and Tamoxifen Citrate(Tamoxifen Citrate)
There are data to suggest that grapefruit juice might interfere with the activity of Tamoxifen by changing the metabolism of Tamoxifen in the body. This might lower the ability of Tamoxifen to treat your condition. Talk with your prescriber if you have questions regarding your Tamoxifen regimen and other prescribed treatments.
Moderate Lifestyle Interaction
Marijuana and Tamoxifen Citrate 10mg Tablet(Tamoxifen Citrate)
Marijuana and Tamoxifen Citrate(Tamoxifen Citrate)
Tamoxifen can theoretically decrease the elimination of Marijuana, Medical from the body. Side effects from Marijuana, Medical may worsen if you take Tamoxifen. You may feel drowsy or more tired. Do not drive or operate machinery until you know how these drugs affect you. Contact your health care provider immediately if you notice slurred speech, confusion, increases heart rate, or palpitations while taking Marijuana, Medical.
Pregnancy & Lactation Information
FIRST Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

SECOND Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

THIRD Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

Lactation

Avoid - This drug is known to cause harm to infants when taken by nursing mothers.


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