When does the second box of Diane-35 start to have contraceptive effects?

When taking the second box of Diane-35, there will be contraceptive effect during the entire medication period as long as there is no missed dose. Diane-35 belongs to estrogen-progestin drugs, which are not only short-acting oral contraceptives, but also often used to treat female endocrine disorders, such as polycystic ovary syndrome, seborrheic dermatitis, excessive androgen, etc.

1. When does the second box of Diane-35 have contraceptive effect?

If there is no missed dose when taking the second box of Diane-35, it still has contraceptive effect. It is essential to avoid missed doses during the medication period of Diane-35, as it can easily lead to irregular bleeding and affect contraceptive effectiveness.

2. The efficacy and function of Diane-35

Diane-35 is an estrogen-progestin preparation, mainly composed of cyproterone acetate and ethinylestradiol, and it is also an oral short-acting contraceptive. It can regulate female hormone imbalances, such as excessive androgen, polycystic ovary syndrome, acne, seborrheic dermatitis, female androgenetic alopecia, hirsutism, etc. It should be taken from the first day of menstruation or from the second to fifth day of the menstrual cycle, taking one tablet every day without interruption for 21 consecutive days. By taking it regularly, the success rate of contraception can reach 99%. For the treatment of acne and seborrheic dermatitis, it usually takes three to six months of adjustment. However, Diane-35 has adverse reactions such as liver and kidney damage, and is not suitable for women over 40 years old, or those with high blood viscosity, hypertension, hyperlipidemia, and obesity.