Beskrivning
buy Tamoxifen 20 mg in Sweden
Tamoxifen 20 mg blocks the effects of estrogen, a female hormone. Some types of breast cancer require estrogen to grow.
Tamoxifen 20 mg is used to treat certain types of breast cancer in men and women. It is also used to lower a woman’s chance of developing breast cancer if she is at high risk (such as a family history of breast cancer).
Tamoxifen 20 mg may also be used for purposes not listed in this medical guide.
Important information
Do not use Tamoxifen 20 mg if you are pregnant. It can harm the unborn child. Use a barrier form of birth control (such as a condom or diaphragm with spermicide) while you are using this medicine and for at least 2 months after your treatment ends. You should not use tamoxifen if you are allergic to it, or if you have had blood clots in your veins or lungs, or if you also take a blood thinner such as warfarin (Coumadin).
Before using this medicine, tell your doctor if you have liver disease, high triglycerides (a type of fat in the blood), a history of cataracts, or a history of stroke or blood clots. Also tell your doctor if you are receiving chemotherapy or radiation therapy.
If you are taking Tamoxifen 20 mg to reduce the risk of breast cancer, you may need to take your first dose while you are menstruating. You may also need to take a pregnancy test before you start taking this medicine to make sure you are not pregnant. Follow your doctor’s instructions.
Taking tamoxifen can increase your risk of uterine cancer, stroke, or blood clots in the lung, which can be fatal. Talk to your doctor about your specific risks of taking this medicine.
To make sure this drug is not causing harmful effects, your doctor may want you to have mammograms and perform regular routine breast exams. Your liver function may also need to be tested. Visit your doctor regularly.
Before taking this medicine
You should not use tamoxifen if you are allergic to it.
You should not use Tamoxifen 20 mg to reduce the risk of breast cancer if you also take a blood thinner such as warfarin (Coumadin, Jantoven).
Do not take tamoxifen if you are pregnant. It can harm the unborn child. Avoid becoming pregnant while using this medicine and for at least 2 months after your treatment ends.
Hormonal birth control (such as birth control pills, injections, implants, skin patches, and vaginal rings) may not be effective enough to prevent pregnancy while you are taking tamoxifen. Ask your doctor about using non-hormonal birth control (condom, membrane with spermicide, or intrauterine device / IUD).
If you are taking Tamoxifen 20 mg to reduce the risk of breast cancer, you may need to take your first dose while you are menstruating. You may also need to take a pregnancy test before you start taking tamoxifen to make sure you are not pregnant. Follow your doctor’s instructions.
Taking Tamoxifen 20 mg may increase the risk of uterine cancer, stroke or blood clot in the lung, which can be fatal. Talk to your doctor about your specific risks of taking this medicine.
To make sure Tamoxifen 20 mg is safe for you, tell your doctor if you have:
a history of stroke or blood clot;
liver disease;
high cholesterol or triglycerides (a type of fat in the blood);
a history of cataracts; or
if you are receiving chemotherapy or radiation.
It is not known whether tamoxifen passes into breast milk or if it could harm a nursing baby. This medicine can slow down breast milk production. You should not breastfeed while taking tamoxifen.
How should I take 20 mg of Tamoxifen?
Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Measure liquid medicine with the supplied dosing syringe, or with a special dose measuring spoon or medicine cup. If you do not have a dose meter, ask your pharmacist for one.
Tamoxifen can be taken with or without food.
When you use tamoxifen, you may need frequent blood tests.
If you need surgery or medical tests or if you go on bed rest, you may need to stop using this medicine for a short time. Any doctor or surgeon who treats you should know that you are taking tamoxifen.
Have regular physical exams and mammograms, and self-examine your breasts for lumps every month while using this medicine.
Use tamoxifen regularly to get the best possible benefit. Get your prescription refilled before stopping the drug completely. You may need to continue using this medicine for up to 5 years.
Store at room temperature away from moisture, heat or cold. Do not freeze.
See also: Dosage information (more detailed)
What happens if I miss a dose?
Take the forgotten dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up for the missed dose.
What happens if I overdose?
Get medical help in an emergency or call the Poison Help line.
What should I avoid while taking Tamoxifen 20 mg?
This medicine can pass in body fluids (urine, feces, vomit). Caregivers should wear rubber gloves while cleaning up a patient’s body fluids, handling contaminated trash or laundry, or changing diapers. Wash hands before and after removing gloves. Wash dirty clothes and bedding separately from other laundry.
Tamoxifen side effects
Get emergency medical help if you have signs of an allergic reaction to tamoxifen: hives; hard to breathe; swelling of the face, lips, tongue or throat.
Tamoxifen may increase your risk of stroke or blood clots. Call your doctor immediately if you have:
signs of a stroke – sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance;
signs of a blood clot in the lung – chest pain, sudden cough, wheezing, rapid breathing, coughing up blood; or
signs of a blood clot in the leg – pain, swelling, warmth or redness in one or both legs.
Also, call your doctor right away if you have:
blurred vision, tunnel vision, eye pain, or seeing halos around lights;
unusual vaginal bleeding or discharge;
changes in your menstrual periods;
pain or pressure in the pelvic area;
a new breast lump;
liver problems – nausea, upper stomach pain, itching, feeling tired, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
high levels of calcium in your blood – vomiting, constipation, increased thirst or urination, muscle weakness, leg pain, confusion, lack of energy or feeling tired.
Common tamoxifen ide side effects may include:
See also: Side effects (more detail)
Tamoxifen Dosing Information
Usual dose for adults for breast cancer:
For the treatment of metastatic breast cancer in women and men:
20 to 40 mg orally Doses greater than 20 mg should be given in divided doses (morning and evening).
For the treatment of women with ductal carcinoma in situ after breast surgery and radiation:
20 mg orally daily for 5 years.
To reduce the incidence of breast cancer in women at high risk of breast cancer:
20 mg orally daily for 5 years.
Usual Adult Dose for Breast Cancer – Adjuvant:
For the treatment of node-positive breast cancer in postmenopausal women after total mastectomy or segmental mastectomy, axillary dissection, and breast irradiation:
10 mg orally 2 to 3 times a day for 5 years.
Usual Adult Dose for Breast Cancer – Palliative:
10 to 20 mg orally twice a day
A favorable response may not be apparent for several months after initiation of therapy.
Usual Pediatric Dose for McCune-Albright Syndrome:
For use in girls aged 2 to 10 years with McCune-Albright syndrome and earlier puberty:
20 mg once a day. The treatment period is up to 12 months.
Usual Pediatric Dose for Noble Puberty:
For use in girls aged 2 to 10 years with McCune-Albright syndrome and earlier puberty:
20 mg once a day. The treatment period is up to 12 months.
What other drugs will affect tamoxifen?
Many drugs can interact with tamoxifen, and some drugs should not be used together. This includes prescription and over-the-counter medicines, vitamins and herbal products. Not all possible interactions are listed in this medical guide. Tell your doctor about all medicines you use and those you start or stop using during your treatment with tamoxifen. Give a list of all your medications to all health care providers who treat you.