Description
PREMARIN (Conjugated Estrogens) is a medication prescribed to treat a variety of conditions. The approved PREMARIN tablet uses include:
- Prevention of postmenopausal osteoporosis for women at significant risk of osteoporosis
- Palliative treatment of androgen-dependent carcinoma of the prostate in men
- Palliative treatment of metastatic breast cancer in certain women
- Treatment of low estrogen due to hypogonadism, castration, or ovarian failure
- Treatment of moderate to severe symptoms of vulvar and vaginal atrophy caused by menopause
- Treatment of moderate to severe vasomotor symptoms (night sweats, flushes, and hot flashes)
PREMARIN works by regulating levels of several hormones, including estrogen, luteinizing hormone, and follicle-stimulating hormone.
Fact Table |
Formula |
C18H19NaO5S |
License |
US FDA |
Bioavailability |
Variable |
Legal status |
Rx-Only |
Chemical Name |
Conjugated estrogens |
Elimination half-life |
26.7 hours |
Dosage (Strength) |
0.3mg, 0.45mg, 0.625mg, 0.9mg, 1.25mg |
Pregnancy |
Not Recommended |
Brands |
Premarin |
Protein binding |
High |
PubChem CID |
656613 |
MedlinePlus |
a682922 |
ChEBI |
- |
ATC code |
G03CA57 |
DrugBank |
DB00286 |
KEGG |
D04070 |
Routes of administration |
By mouth (Tablets) |
Directions
The dosage of PREMARIN is dependent on what condition is being treated. Take PREMARIN exactly as prescribed by your dose. PREMARIN may be dosed every day or can be dosed in regular cycles.
Take PREMARIN by mouth with or without food.
Ingredients
The active ingredients in PREMARIN are a mixture of conjugated estrogens obtained from pregnant mares' urine. The tablet contains a mixture of sodium estrone sulfate and sodium equilin sulfate.
Cautions
Taking estrogen by itself without concurrent progesterone therapy may increase the risk of endometrial cancer.
Estrogen by itself without concurrent progesterone therapy may increase the risk of stroke and deep vein thrombosis (DVT) in women who have gone through menopause.
Estrogen therapy may increase the risk of dementia in postmenopausal women.
Estrogen plus progesterone hormone-replacement therapy may increase the risk of breast cancer.
Side Effects
The most common PREMARIN pill side effects may include:
- Abdominal Pain
- Breast Pain
- Flatulence
- Leg Cramps
- Leukorrhea
- Pruritis
- Vaginal Bleeding
- Vaginal Moniliasis
- Vaginitis
The above side effects were the most common experienced by patients participating in the original clinical trials. Speak with your doctor or pharmacist for a full list of side effects.
References
- Premarin [package insert]. Philadelphia, PA: Pfizer; 2011.
About Dr. Conor Sheehy (Page Author)
Dr. Sheehy (BSc Molecular Biology, PharmD) works a clinical pharmacist specializing in cardiology, oncology, and ambulatory care. He’s a board-certified pharmacotherapy specialist (BCPS), and his experience working one-on-one with patients to fine tune their medication and therapy plans for optimal results makes him a valuable subject matter expert for our pharmacy. Read More....
IMPORTANT NOTE:
The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Product Code : 1733