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Composition for FEMOSTON-1/10 TABLET

Estradiol(1 mg),Dydrogesterone(10 mg)

food interaction for FEMOSTON-1/10 TABLET

alcohol interaction for FEMOSTON-1/10 TABLET

pregnancy interaction for FEMOSTON-1/10 TABLET

lactation interaction for FEMOSTON-1/10 TABLET

There is no data available. Please consult doctor before consuming the drug.
Interaction with alcohol is unknown. Please consult your doctor.
Femoston-1/10 tablet is highly unsafe in women who are or may become pregnant.
Human and animal studies have shown significant adverse effects on the fetus and should not be given under any circumstances. Please consult your doctor.
Femoston-1/10 tablet is probably unsafe to use during breastfeeding. Please consult your doctor.


Estradiol(1 mg)


Estradiol is used as a hormone replacement therapy (HRT) in post-menopausal women or women with absent ovaries or ovaries unable to produce enough estrogen and  to prevent fragility of bones (osteoporosis). Estradiol is sometimes also used as part of breast cancer treatment in women and men, and prostate cancer in men. It is used at a very low dose in combination with a progestogen hormone as oral contraceptive.

How it works

Estradiol is a form of estrogen, a female sex hormone produced by the ovaries. It acts by replacing the natural hormone in the body, when the latter is deficient.

Common side effects

Vomiting, Nausea, Abdominal bloating, Acne, Altered menstrual cycle, Absence of menstrual periods, Ankle swelling, Limb swelling, Breast tenderness, Breast enlargement, Change in appetite, Dark skin patches, Difficulty in wearing contact lense, Hair loss, Stomach cramp, Vaginal discharge, Vaginal itching, Weight loss, Weight gain
Dydrogesterone(10 mg)


Dydrogesterone is used to treat conditions associated with low levels of female hormone progesterone such as painful menstrual periods (dysmenorrhea), endometriosis problems with menstrual cycle abnormal bleeding from vagina (dysfunctional uterine bleeding). It is also used in patients with recurrent abortion due to progesterone deficiency, Infertility (due to luteal insufficiency, the lining of the uterus is unable to prepare for pregnancy). Dydrogesterone is also used in combination with estrogen hormone drugs as a hormone replacement therapy in females at menopause (the time in a woman’s life when her menstrual periods stop). It is used in post-menopausal conditions, hot flushes (sudden reddening with increased heat in face, neck and chest), prevention of thinning and weakening of bones (osteoporosis).

How it works

Dydrogesterone is a drug which is very similar to female hormone progesterone that is naturally produced by the ovaries. It works by replacing progesterone in conditions where the body fails to produce sufficient amounts.

Common side effects

Nausea, Pulsating headache, Breast tenderness, Breast pain, Pain during periods, Hypersensitivity reaction, Irregular menstrual cycle, Heavy menstrual periods, Weakness, Gastrointestinal discomfort, Feeling of discomfort


No substitutes found

Expert advice for FEMOSTON-1/10 TABLET

  • The drug can cause nausea, vomitting or breast tenderness.
  • Do not use estradiol patches over breast stop taking estradiol and see a doctor immediately if you notice any of the following when taking estradiol:
  • yellowing of your skin or the whites of your eyes (jaundice). 
  • rise in your blood pressure (symptoms may be headache, tiredness, dizziness).
  • new onset migraine-like headaches.
  • pregnancy.
  • signs of a blood clot, such as: painful swelling and redness of the legs, sudden chest pain, difficulty in breathing.
  • Do not consider estradiol alone as a contraceptive. It must be used with progestogen to provide contraceptive benefits.
  • Consult your doctor if you have unusual vaginal bleeding while taking this drug, Immediately consult your doctor if you notice unexplained swelling and pain in your limbs, shortness of breath, chest pain, severe headache, or changes in vision. This medicine should not be taken for a very long period.
  • Consult your doctor from time to time to check if you still need it.

Frequently asked questions for FEMOSTON-1/10 TABLET


Q. Is estradiol and estrogen the same/ is estradiol the same as progesterone/ is estradiol a synthetic hormone/does estradiol valerate work/ what is evalon cream?
Estradiol is the most potent natural estrogen (or “estrogen”) produced by ovaries in female. It is different from another female hormone that is progesterone. It is not a conjugated estrogen and it not a synthetic hormone. Estradiol valerate and Evalon vaginal cream works same as estradiol.
Q. Can I take estrogen for polycystic ovary syndrome (PCOS)?
Polycystic ovary syndrome (PCOS) is mainly a result of hormonal disturbance in which there are high levels of male hormones in the body. Oral contraceptive pills containing low dose estrogen and progestogen are commonly prescribed to reduce the levels of endogenous hormone, which helps regularize the menstrual cycle, reduce male hormone levels and decrease acne associated with PCOS. Always consult your doctor before using any medication.
Q. What can I take for estrogen dominance?
A balanced diet, exercise, a healthy life style and less exposure to environmental pollutants is what works best to restore the normal hormone balance and reduce estrogen dominance. Your doctor may also start a progesterone therapy, compounds that promote bile secretion, lipotropic formulas (excrete extra estrogen from body), substance which deactivate toxic substances and excess hormones to remove extra estrogen from your body.
Q. What can I take for estrogen deficiency?
For estrogen deficiency, treatment is based on the underlying cause. Your doctor may choose from a variety of medications depending upon your condition for e.g. young or old with menopause, estrogen deficiency or high progesterone levels, etc. You may be given bio-identical estradiol or estriol or counterbalance with natural progesterone in the form of micronized capsules, etc.
Q. Can I take estrogen forever?
The length of necessity of hormone therapy varies from person to person and the condition for which it is being treated for.
Q. Is estradiol safe/ stop your period/ increase libido/cause constipation/ cause high blood pressure/ make you sleepy/ cause blood clots/ cause insomnia/ cause bloating/ make you emotional?
Estradiol is safe if used at recommended dosage and duration. Estradiol can stop your periods. It may cause high blood pressure and blood clots on long-term use. Other side effects are not confirmed but may occur with some patients. Consult your doctor if you experience one of them.
Q. Is estradiol gluten free?
Estradiol preparations are gluten free. However, as the content of excipients differs according to the manufacturer, please refer to the package insert of the particular preparation/brand that you have been prescribed.
Q. Is estradiol a conjugated estrogen/ better than Premarin?
Estradiol is a synthetic hormone, whereas Premarin contains conjugated estrogen. Both are different types of estrogen and have comparable benefit and side-effect profile.


Q.Is dydrogesterone same as progesterone?
No. Dydrogesterone is an artificially synthesized drug which is very similar to the naturally produced female hormone progesterone. Its action in the body is closely related to progesterone.
Q.Is dydrogesterone safe?
Yes. Dydrogesterone is safe if used at the prescribed does for the prescribed duration as advised by your doctor.
Q.Is dydrogesterone a steroid?
Yes. Dydrogesterone has steroidal chemical structure which is very similar to the naturally produced steroidal female hormone progesterone.
Q.Dydrogesterone is used for?
Dydrogesterone is used to treat conditions associated with low levels of female hormone progesterone. It may also be used in combination with estrogen drugs as a hormone replacement therapy in females at menopause (the time in a woman’s life when her menstrual periods stop).
Q.Does dydrogesterone delay periods?
Yes. Delayed, irregular, painful and heavy menstrual periods are among the common side effects of dydrogesterone.
Q.How does dydrogesterone work?
Dydrogesterone works by replacing female hormone progesterone in conditions where the body fails to produce sufficient amounts.


Content on this page was last updated on 02 December, 2015, by Dr. Varun Gupta (MD Pharmacology)