Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Climara (estradiol) and Activella (estradiol/norethindrone) are both used to treat menopausal symptoms and prevent osteoporosis, but they have some key differences. Climara is a transdermal patch that only contains estradiol, while Activella is an oral tablet that combines estradiol with norethindrone, a progestin. Because Climara only has estrogen, if you still have your uterus, you will need to take a separate progestin to lower your risk of uterine cancer. Activella already includes norethindrone, which helps protect your uterus. Climara is applied once or twice a week, whereas Activella is taken daily. Both medications can cause weight gain and increase the risk of blood clots, heart attacks, and strokes, but Activella may cause more side effects since it features an estrogen and progestin. Additionally, Climara might not be suitable if you have liver problems, while Activella is not recommended if you have a history of certain cancers or blood clots.
Vivelle-dot (estradiol patch)
Activella (estradiol / norethindrone)
Vivelle-dot (estradiol patch)
Activella (estradiol / norethindrone)
Summary of Vivelle-Dot vs. Activella
Summary for Estrogen replacement
Prescription only
Vivelle-Dot (estradiol patch) is a twice-weekly hormonal patch used to treat menopause symptoms and low estrogen levels. It also helps prevent bone loss (osteoporosis) in people who have gone through menopause. The patch is a form of hormone replacement therapy. The usual dose is one patch applied to the lower stomach or buttocks twice a week, or every 3 to 4 days. Side effects include headache, breast pain, and sinus swelling.
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This twice weekly patch is also available as a generic called Dotti.
Summary for Estrogen replacement / Progestin
Prescription only
Activella is a combination hormone replacement therapy (HRT) that contains estradiol (an estrogen) and norethindrone (a progestin). It's used to treat certain symptoms of menopause, such as night sweats and vaginal dryness, related to low estrogen levels. It can also help prevent bone loss (osteoporosis) in females who've reached menopause. The typical dose is 1 tablet by mouth once daily. Some side effects of this medication include breast pain and headache. Activella (estradiol / norethindrone), as well as other HRTs, isn't recommended for people who've had breast cancer.
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Activella is a brand-name medication. It also comes as a generic and branded generics, such as Mimvey.