Dienogest acts on progesterone receptors, producing a strong progestogenic effect on the endometrium despite having relatively weak receptor-binding affinity. Long-term use leads to thinning (atrophy) of the endometrial lining. It also exhibits antiproliferative, immunomodulatory, and antiangiogenic effects on endometrial tissue.
The medication lowers the body's natural production of estradiol, reducing its stimulatory effects on both normal and abnormal endometrial tissue. Continuous administration creates a hormonal environment characterized by increased progestogenic activity and moderately reduced estrogen levels, leading to gradual suppression of endometriosis lesions. Dienogest also blocks androgen receptors, which may improve androgen-related conditions such as acne and excessive hair growth.
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Venesa is prescribed for the management of endometriosis. It belongs to a group of medicines known as progestins, which help counteract the effects of estrogen on tissues such as the uterine lining (endometrium) and breast tissue. By limiting estrogen-driven growth of endometrial tissue, Venesa helps reduce pelvic pain and other symptoms associated with endometriosis.
There is limited information regarding the use of Dienogest during pregnancy. Although available data do not suggest significant risks, treatment is unnecessary during pregnancy and should therefore be avoided.
Breastfeeding mothers are generally advised not to use Venesa, as the drug may pass into breast milk. The decision to continue breastfeeding or treatment should be made after weighing the benefits and risks. xists, and treatment should be supportive if overdose occurs.
Treatment can begin on any day of the menstrual cycle.
Missed Dose:
If a dose is missed, take one 2 mg tablet as soon as remembered and continue the regular dosing schedule the following day. If vomiting or diarrhea prevents absorption, an additional 2 mg tablet should be taken.
Children and Adolescents
Elderly Patients
Dienogest is primarily metabolized by the CYP3A4 enzyme system. Medications that affect this pathway may alter Dienogest levels in the body.
Drugs that may increase Dienogest concentrations include:
These interactions may increase the likelihood of side effects.
Pregnancy Exclusion
Pregnancy should be ruled out before starting therapy.
Contraception
Venesa is not intended as a contraceptive. Women who require contraception should use non-hormonal methods such as condoms or other barrier methods.
Changes in Menstrual Bleeding
Irregular bleeding patterns, spotting, or changes in menstrual flow are common during treatment.
Liver Disease
Patients with current or previous severe liver disease should not use Venesa.
Fertility
Ovulation is suppressed in many women during treatment; however, this effect is not reliable enough to provide contraception.
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At ePharma, we’re committed to providing accurate and accessible health information. However, all content is intended for informational purposes only and should not replace medical advice from a qualified physician. Please consult your healthcare provider for personalized guidance. We aim to support, not substitute, the doctor-patient relationship.