Side Effects of Vaginal Estrogen To Watch For: What’s Normal and When To Call Your Doctor
Fortunately, most symptoms are temporary while your body adapts to the new medication
Key Takeaways
- Vaginal estrogen can cause temporary swelling, spotting and tenderness.
- Many vaginal estrogen side effects may improve over time as your body adapts.
- Switching vaginal estrogen formulas may help ease discomfort and irritation.
You finally got the go-ahead from your doctor to try vaginal estrogen, and can’t wait to get help with things like vaginal dryness or painful sex. But instead, you’re experiencing unexpected side effects like swelling or even pain. You start wondering if other women are experiencing the same thing, and take to Reddit to find women sharing their own experiences with the side effects of vaginal estrogen. Sound familiar? These concerns are completely valid. As helpful as vaginal estrogen can be for many women, there are still a few side effects to be aware of. Fortunately, most of them are short-lived as your body simply adjusts to your prescription. Here’s what you need to know—including how to make starting vaginal estrogen easier.
What is vaginal estrogen?
“Estrogen is a hormone that naturally declines as women move through perimenopause and menopause,” says Jessica Duncan, MD, DABOM, DABA, chief medical officer at Ivim Health. “Vaginal estrogen is exactly what it sounds like: a locally administered form of estrogen replacement, delivered directly to vaginal tissue rather than absorbed through a patch or pill. Because it works locally, less of it enters the bloodstream compared to systemic estrogen therapies.”
Maral Malekzadeh, DO, board-certified gynecologist and co-owner of The Well Westlake, explains that vaginal estrogen is used to treat genitourinary syndrome of menopause (GSM), which can cause symptoms such as:
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- Vaginal dryness or itching
- Burning
- Urinary urgency
- Painful intercourse
- Urinary tract infections (UTIs)
Vaginal estrogen is available in different forms
Dr. Malekzadeh explains vaginal estrogen can come in different forms, and women can select what works best for them depending on their comfort, symptoms, anatomy and how often they want to use the treatment. These options include:
- Creams, which are applied inside the vagina daily initially for several weeks then as needed to help with vulva irritation
- Vaginal rings, which are flexible internal devices that stay in the vagina for several months at a time releasing a steady, low-dose estrogen (a more maintenance-free option)
- Vaginal tablets, which are inserted daily initially for several weeks then as needed to help with dryness and offer a less messy, consistent dose
Why women use to fear the side effects of vaginal estrogen
If you’ve thought about trying vaginal estrogen to help with your menopause symptoms but didn’t use it due to fear of potential side effects, it’s not just you. Dr. Malekzadeh explains that vaginal estrogen carried a scary reputation for years.
“Historically, concerns about vaginal estrogen safety largely stemmed from broader fears surrounding hormone therapy after early studies, including the Women’s Health Initiative, linked certain forms of systemic hormone therapy to increased risks such as blood clots, stroke and breast cancer in some populations,” explains Dr. Malekzadeh. “At the time, many vaginal estrogen products carried similar warning labels, even though they use much lower doses and result in minimal systemic absorption.”
Today, those “black box” warnings on prescription low-dose estrogen are gone, as newer research shows the Women’s Health Initiative study results from the 1980s were misunderstood and flawed. While—like any medication—vaginal estrogen is not completely risk-free, Dr. Malekzadeh says most women using low-dose formulas find it to be safe. That said, there’s often an adjustment period when getting started.
Side effects of vaginal estrogen to watch for
Below, our experts break down the vaginal estrogen side effects you should be aware of:
Vaginal swelling
Dr. Malekzadeh explains that increased blood flow and hydration within vaginal tissues due to estrogen may cause swelling for some women. “Early in treatment, some women may notice temporary fullness, puffiness or swelling as previously thin, dry tissues begin responding to estrogen again,” explains Dr. Malekzadeh. “In other cases, swelling may reflect irritation from the formulation itself rather than the estrogen.”
Increased vaginal discharge
You may notice extra vaginal moisture or fluid due to the tissue becoming thicker, more hydrated and healthier, reveals Dr. Malekzadeh.
Breast tenderness
Dr. Duncan explains that even when estrogen is administered locally through the vagina, some systemic absorption still occurs and mild breast tenderness that tends to ease up over time can be one way estrogen’s systemic effects show up.
Vaginal bleeding or spotting
If your vaginal tissue was already delicate or thin to begin with, Dr. Malekzadeh says you may notice side effects such as light bleeding or spotting when starting vaginal estrogen.
What you can do about vaginal estrogen side effects
If you’re experiencing side effects of vaginal estrogen, our experts recommend talking to your doctor about what you’re going through and knowing there are options that can help.
“Sometimes, simply switching formulations can make a significant difference,” says Dr. Malekzadeh. “For example, a patient who reacts to a vaginal cream may tolerate a tablet or ring much better. It is also important to rule out other causes such as infection, allergic reactions or underlying dermatologic conditions that may not actually be related to the estrogen itself.”
Of course, if you notice any serious side effects of vaginal estrogen, such as chest pain or pressure, swelling in one leg (a sign of a potential blood clot) or a severe allergic reaction (such as facial swelling or trouble breathing), seek urgent medical care.
The bottom line on the side effects of vaginal estrogen
If you’re one of the many women finding that menopause symptoms are impacting your life and you’re interested in trying vaginal estrogen, know that it can provide real relief if you’re a good fit and you shouldn’t let potential side effects deter you.
“Side effects are possible with almost any medication, but they are often manageable and do not necessarily mean the treatment is wrong for you,” says Dr. Malekzadeh. “Vaginal estrogen can be genuinely life-changing for women struggling with dryness, pain, urinary symptoms or recurrent infections that affect daily comfort and intimacy. Many women who initially experience mild irritation or adjustment symptoms ultimately do very well once the right formulation and dosing schedule are found. The goal is not to ‘push through’ severe symptoms, but rather to work collaboratively with a clinician to find the safest and most comfortable option for your body.”
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