GYNERA TAB 21/TAB

Indications

Approved Uses

Oral contraception

Dosage & Administration

Dosing by Condition

Contraception: 1 tablet orally daily for 21 days, then 7 days tablet‑free; repeat with the next pack starting on day 8.

Maintenance Dose

One tablet daily for 21 days followed by 7 tablet-free days

Maximum Dose

1 tablet orally once daily (ethinylestradiol 30 µg/gestodene 75 µg) as per the verified strength and oral dosage form.

Side Effects

Common Side Effects

Nausea, headache, breast tenderness or pain, breakthrough bleeding or spotting, mood changes, decreased libido, weight changes, contact lens intolerance

Side Effect Frequency

Common (≥1% to <10%): nausea, abdominal pain, headache, breast pain/tenderness, mood changes, weight change, and irregular uterine bleeding/spotting; Rare/very rare: venous and arterial thromboembolic events.

Special Populations

Pregnancy

Contraindicated

Pharmacology

Mechanism of Action

Suppresses ovulation via inhibition of gonadotropins (FSH/LH), thickens cervical mucus to impede sperm penetration, and induces endometrial changes that reduce the likelihood of implantation.

Bioavailability

Ethinylestradiol: ~45% (variable due to first-pass metabolism). Gestodene: ~99%.

Product Information

Available Dosage Forms

Coated tablet (oral)

Composition per Dose

Each coated tablet: Ethinylestradiol 30µg + Gestodene 75µg

Hormone Type

Combined

Method

Oral

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