Rephaston Tablet

Introduction

Rephaston Tablet 10 mg, a pregnanedione steroid hormone, is a commonly used drug in the treatment and prevention of threatened or habitual abortion and other gynecological diseases. It is a synthetic progestogenic molecule that mimics the effect of progesterone and its endogenous metabolites.

Uses for

Rephaston Tablet 10 mg is used to treat many gynecological conditions involving hormone imbalances, including the prevention of threatened or habitual abortion, amenorrhea (absence of menstrual periods), abnormal uterine bleeding, endometrial hyperplasia, and abnormal uterine bleeding associated with hormone replacement therapy. It is also used to treat infertility, luteal phase deficiency, and polycystic ovarian syndrome.

Brand Name	Rephaston
Type	Tablet
Weight	10 mg
Generic	Dydrogesterone
Manufacturer	Renata Limited
Available in	English বাংলা

Mechanism of Action

Rephaston Tablet 10 mg works by mimicking the effect of progesterone and its endogenous metabolites, which help maintain the endometrial lining during pregnancy and stimulate the release of eggs from the ovary. It also increases the secretion of other hormones, such as aldosterone and relaxin, which are important for maintaining normal pregnancy and allowing labor and delivery.

How Long Does It Take to Work?

Rephaston Tablet 10 mg typically starts to work within 24 hours after administration and its effects last up to two weeks. The duration of its effect may vary depending on individual factors and the underlying condition being treated.

Absorption

Rephaston Tablet 10 mg is rapidly and well absorbed by the body following oral administration. It has also been studied for use via intramuscular and vaginal routes, with lower rates of absorption but higher rates of bioavailability.

Route Of Elimination

Rephaston Tablet 10 mg is metabolized in the liver into metabolites that can be eliminated via the feces and the urine. The elimination half-life of the drug is 6-8 hours.

Dosage

Always take Presentation 10 mg tablet exactly as your doctor has prescribed.

Presentationerone deficiencies:

Threatened miscarriage: 40 mg (four tablets) at once, then 10 mg (one tablet) every eight hours until symptoms remit.
Habitual miscarriage: 10 mg (one tablet) twice daily until the twentieth week of pregnancy.
Dysmenorrhoea: 10 mg (one tablet) twice daily from day 5 to day 25 of the menstrual cycle.
Endometriosis: 10 mg (one tablet) two or three times daily from day 5 to day 25 of the cycle or continuously.
Dysfunctional bleeding (to arrest bleeding): 10 mg (one tablet) twice daily for five to seven days. Presentation should be given with oestrogen.
Dysfunctional bleeding (to prevent bleeding): 10 mg (one tablet) twice daily from day 11 to day 25 of the cycle. Presentation should be given with oestrogen.
Amenorrhoea: An oestrogen once daily from day 1 to day 25 of the cycle, together with 10 mg Presentation twice daily from day 11 to day 25 of the cycle.
Irregular cycles: 10 mg (one tablet) twice daily from day 11 to day 25 of the cycle.
Infertility due to luteal insufficiency: 10 mg (one tablet) daily from day 14 to day 25 of the cycle. The treatment should be continued for at least 6 consecutive cycles. It is advisable to continue this treatment during the first month of any pregnancy using the doses stated with respect to habitual miscarriage.
Luteal support as part of an Assisted Reproductive Technology (ART) treatment: 10 mg three times daily (three tablets daily) starting at the day of oocyte retrieval and continuing for 10 weeks if pregnancy is confirmed.

Hormone Replacement Therapy: In combination with continuous oestrogentherapy, take one tablet daily for 14 consecutive days of a 28 day cycle. In combination with cyclical oestrogen therapy take one tablet daily during the last 12 to 14 days of oestrogen therapy. For doctors: If endometrial biopsies or ultrasound reveal inadequate Presentationational response, 20 mg Dydrogesterone should be prescribed. For patients: If you are not sure what type of oestrogen therapy you are on, talk to your Doctor before taking Presentation. There is no relevant use of Dydrogesterone before menarche. The safety and efficacy of Dydrogesterone in adolescents aged 12 to 18 years has not been established.

The specific dosage of dydrogesterone should be determined by a doctor. Dosage may vary from 5 to 20 mg per day, usually divided into two or three doses. For some conditions, it may be necessary to increase the dosage. Usually, dydrogesterone is used for 5-10 days, depending on the individual case.

Administration

Rephaston Tablet 10 mg is typically taken orally, although it can also be administered intramuscularly or vaginally. When taken orally, it should be taken with a full glass of water. Depending on the individual case, it may be necessary to take it with food or an antacid to avoid gastrointestinal irritation.

Side Effect

Rephaston Tablet 10 mg can cause side effects such as nausea, headache, bloating, breast tenderness, dizziness, and fatigue. Rarely, it may cause more serious side effects such as irregular heartbeats, depression, and confusion.

Toxicity

Rephaston Tablet 10 mg is generally well-tolerated and has low toxicity. There has been no reported toxicity when dydrogesterone is used at recommended doses.

Precautions

Rephaston Tablet 10 mg should be used with caution in patients with renal or hepatic impairment and those who are hypersensitive to the drug. Women with breast cancer or who have a history of stroke or thromboembolism should not use dydrogesterone. Patients taking dydrogesterone should be monitored for any signs of adverse effects.

Interactions

Rephaston Tablet 10 mg may interact with other medications, including anticoagulants, estrogens, selective serotonin reuptake inhibitors (SSRIs), nonsteroidal anti-inflammatory drugs (NSAIDs) and diuretics. Other medications, such as antibiotics, antihypertensives and anticonvulsants, may also interact with dydrogesterone.

Disease Interactions

Rephaston Tablet 10 mg may interact with some underlying medical conditions, such as diabetes mellitus, systemic lupus erythematosus, and hepatic impairment. It should be used with caution in patients with these conditions and should be monitored carefully for any signs of adverse effects.

Drug Interactions

Rephaston Tablet 10 mg may interact with other medications used to treat the same conditions, including progestins, estrogens, and aromatase inhibitors. Additionally, it may interact with some antibiotics, anticonvulsants, antihypertensives, and sedatives.

Food Interactions

Rephaston Tablet 10 mg is not known to interact with food. However, it should be taken with a full glass of water and may need to be taken with food or an antacid to reduce the risk of gastrointestinal irritation.

Pregnancy Use

Rephaston Tablet 10 mg should not be used during pregnancy unless its use is deemed necessary by a doctor.

Lactation Use

Rephaston Tablet 10 mg is not recommended for use in women who are breastfeeding due to the potential for serious adverse effects.

Acute Overdose

A single acute overdose of dydrogesterone is not expected to cause serious adverse effects, but may cause nausea, vomiting, dizziness, or drowsiness. If an overdose is suspected, seek medical help immediately.

Contraindication

Rephaston Tablet 10 mg is contraindicated in patients with hypersensitivity to the drug, those with a history of stroke or thromboembolism, and women with breast cancer.

Use Direction

Rephaston Tablet 10 mg should be taken as directed by a doctor.
Take the drug with a full glass of water.
For some cases, it may be necessary to take the drug with food or an antacid to avoid gastrointestinal irritation.