Levonorgestrel

Chemical name

(17альфа)-13-Этил-17-гидро кси-18,19-динопрегн-4-ен-2 0-ин-3-он

Gross

C21-H28-O2

Of drugs

Drugs, the contraceptive. Gonadotroponuu stops pituitary function reduces peak and opened LG, prevents implantation of a fertilized egg as a result of change endometrium increases the viscosity of cervical mucus, which create obstacles to the movement of sperm. After p / to the implantation six caps. contraceptive effect is achieved within 24 hours The intrauterine system has a direct local impact on the endometrium, fallopian tubes and viscosity of cervical mucus channel.

Indications

Contraception idiopathic menorragia (for intra ststema).

Contraindications

Hypersensitivity, gormonozawisimae tumors, the propensity to tromboemboliam, otoscleros, acute disease, or cancer of liver, urinary tract infections, pregnancy, breast-feeding (optional waiver of breastfeeding).

Side-Effects

Seldom-mejmenstruale krovanistye allocation, menstrual irregularities, mastalgia, nausea, headache, skin whose fluid in the body, girsutizm, depression, dermatitis, hair loss.

Specific guidance

Three months after implantation capsules and 1 per year is required medical follow-up. Given for the immediate removal of the capsules are acute visual impairment, planned surgery, followed by immobilization within six months, the emergence of symptoms trombophlebitis or embolism, acute liver disease, migraines. The intrauterine system provides a regimen at 20 mg / sut. In long mejmenstrualnah crowianistah secretions needed more study (for further diagnosis).

Dosing and Administration

Inside, in the evening after having a meal on the table in January. daily for 21 days. Capsule (6 pcs.) Implantiruut s / to the domestic shoulder area for a period of 5 years. Intrauterine system introduced 4-6 day menstrual cycle, after induced abortion, immediately or, preferably, following a regular menstruation; After normal spontaneous delivery, no earlier than six weeks.

Directory → Hormones and their antagonists → Estrogens, gestagena; Their homologues and antagonists → Levonorgestrel