Drugs >  Estrogens and Medroxyprogesterone
Estrogens and Medroxyprogesterone
Pronunciation
Brand Names
Therapeutic Categories
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(ES troe jenz & me DROKS ee proe JES te rone)

Brand Names
Premphase™; Prempro™

Therapeutic Categories
Estrogen Derivative

What is this medicine used for?
  • This medicine is used to stop/reduce the symptoms of menopause, especially hot flashes, vaginal dryness, itching, or burning.
  • It helps prevent osteoporosis (brittle bones; can lead to breaks) in women past menopause. This medicine works best when used with calcium/vitamin D supplements, weight-bearing exercises like walking, or physical therapy. May also be used to lower high cholesterol in women who have gone through menopause.
  • Medroxyprogesterone is used to reduce the side effect of estrogens.

How does it work?
  • After menopause, when the body no longer produces estrogen, it is used as a simple replacement of estrogen.
  • The addition of a progestin, medroxyprogesterone, for at least 10 days a month reduces endometrial cell changes (precancerous) and the risk of endometrial cancer.

How is it best taken?
  • Take with food at a similar time every day or as directed by your healthcare provider. There may be days when you will not take the medicine.
  • Premphase™ has two different tablets: one for days 1-14 of the month and one for days 15-28.

What do I do if I miss a dose?
  • Take a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
  • Do not take a double dose or extra doses.
  • Do not change dose or stop taking medicine without talking with healthcare provider.

What are the precautions when taking this medicine?
  • Limit alcohol intake (includes wine, beer, and liquor). May increase risk of breast cancer.
  • This medicine does not treat depression or nervous problems.
  • Tell healthcare provider if you have ever had circulation problems or any blood clots in your legs, arms, or lungs.
  • Do not use if you have unusual vaginal bleeding that has not been examined by healthcare provider.
  • Do not use if you have had breast or uterine cancer or someone in your family (sister, mother, or aunt) has had breast cancer. Talk with healthcare provider.
  • There may be a higher risk of breast cancer. Talk with healthcare provider.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
  • Do not use in pregnancy and do not get pregnant. Use birth control that you can trust during use of medicine and for 1 month after stopping it.
  • Do not use if you are breast-feeding.

What are the common side effects of this medicine?
  • Headache. Mild pain medicine may help.
  • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
  • Belly pain and cramps.
  • Breast enlargement/tenderness and water weight gain.
  • Vaginal bleeding (breakthrough bleeding, spotting) may occur.
  • Change in sexual ability or desire. This can return to normal after medicine is stopped. Talk with healthcare provider about other medicines without this side effect.

What should I monitor?
  • Periodic breast (monthly self-exams) and gynecologic exams are important.
  • Follow diet plan (calcium supplementation) and exercise program as recommended by healthcare provider.
  • Follow up with healthcare provider at least every year. Talk about duration of treatment.

Reasons to call healthcare provider immediately
  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
  • Severe headache.
  • For women, unusual vaginal bleeding. This includes lots of bleeding, spotting, or bleeding between cycles.
  • Severe nausea, vomiting, and/or diarrhea.
  • Swelling/pain of a leg or arm, sudden shortness of breath, difficulty breathing, chest pain.
  • A lump in the breast.
  • Any rash.

How should I store this medicine?
  • Store in a dry place at room temperature.

General statements
  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Read the package insert for more details (given with the medicine).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).

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