About Evra Transdermal Patch (4 Layers)
Combined hormonal contraceptive patch
Used for
Usual adult dose
Apply one patch weekly for three weeks, then have one patch-free week. Start the next cycle on schedule.
Common side effects
- Skin irritation where applied
- Headache
- Nausea
- Breast tenderness
Important warnings
- Increases risk of blood clots, stroke, and heart attack
- Not suitable for smokers aged 35 or older
- May be less effective at higher body weight
- Does not protect against sexually transmitted infections
Pregnancy
Do not use during pregnancy; discontinue if pregnancy occurs.
Breastfeeding
May reduce milk supply, particularly soon after birth; discuss contraceptive options with a healthcare professional.
Interactions
- Some seizure medicines can reduce contraceptive effectiveness
- Rifampin and similar antibiotics can reduce effectiveness
- St John’s wort can reduce effectiveness
- Some HIV or hepatitis C medicines interact
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.