#Askevvy Contributor

Dr. Krystal Thomas-White, PhD

Dr. Krystal Thomas-White, Ph.D is the Senior Scientist at Evvy.

Dr Thomas-White is a microbiologist specializing in the female urogenital microbiome and how it relates to health and disease. In under 10 years she has over 20 peer-reviewed articles that have been cited over 1000 times. Her research explores how alterations in both the bladder and vaginal microbiomes are associated with common disorders (like UTIs, bacterial vaginosis, and incontinence) and how the microbiome changes in response to hormones throughout life, particularly during prengnacy, and menopause. As senior scientist at Evvy she is excited to help bridge the gender health gap, and provide women with insight into a part of their bodies that has been too often overlooked.

#AskEvvy Articles by Dr. Krystal Thomas-White, PhD

A zoomed in image of Fluconazole pill and patient wondering how long does it take for fluconazole to work

Vaginal & Hormonal Health

How Fast Does Fluconazole Work?

Fluconazole is an oral antifungal used to treat vaginal yeast infections. Learn more about how long fluconazole takes to treat a yeast infection.

Pink and green fuzzy bacteria representing a caue for an itchy vagina after sex

Vaginal & Hormonal Health

Itchy Vagina After Sex: 5 Possible Causes

Wondering why you feel itchy after sex? Learn common causes of vaginal itching after intercourse and how to find fast relief.

A female statue wondering whether boric acid will make her taste better.

Sex & Relationships

Does Boric Acid Make You Taste Better?

Boric acid suppositories can be a helpful remedy for certain vaginal health issues in a few specific contexts, but will they make your vagina “taste” better? Learn more.

Two partners holding hands questioning when they can have sex after using boric acid.

Sex & Relationships

Can You Have Sex After Using Boric Acid?

Learn more about what boric acid is, how it’s used, and what you need to know about resuming sexual intercourse after treatment.

A woman with her eye closed contemplating if she can get an STD without having sex

Sex & Relationships

Can You Get an STD Without Having Sex?

You can contract certain STDs without engaging in penetrative sex, or any type of sex. Learn more.

Sex & Relationships

How Long to Wait for Sex After BV Treatment?

Learn whether it’s safe to have sex while taking metronidazole for BV, including key precautions and how long to wait.

A zoomed in photo of pink uti or it could also be an std

Vaginal & Hormonal Health

UTIs or STDs: Shared Symptoms and Key Differences

While they can cause similar symptoms, UTIs and STDs are distinct conditions that require different treatments. Learn more.

A female scientist trying to spot the difference between chlamydia vs a yeast infection.

Vaginal & Hormonal Health

Chlamydia vs Yeast Infection: How to Tell the Difference

Learn the key differences between chlamydia and a yeast infection, how to spot the signs, and how to test and treat both infections.

a zoomed in photo of blue and pink bacteria that may cause BV

Vaginal Microbiome 101

What Bacteria Causes BV?

Bacterial vaginosis (BV) is still somewhat of a mystery. It's a really common vaginal infection and refers to a state of dysbiosis (imbalance) in the vaginal microbiome. While researchers have identified a few main culprits, the exact cause is still poorly understood. Let's dive into what bacteria cause BV (that we know of), and how to treat it.

different symptoms of gonorhea from foul odor to yellow/green discharge

Vaginal & Hormonal Health

What Does Gonorrhea Look Like?

Learn more about gonorrhea, the signs and symptoms you should watch out for, and what steps to take if you suspect you have it.

wild black and white fungi representing a yeast infection

Vaginal & Hormonal Health

Do Yeast Infections Go Away on Their Own?

Do yeast infections go away on their own, or do they always need treatment? Let’s dive into yeast infection causes, risk factors, and treatment options.

Two partners touching each other, questioning whether or not they have an STD

Sex & Relationships

Can You Get an STD if Both Partners Have No STDs?

Can you get an STD if both you and your partner are STD-free? The short answer is no, but there’s more to it.

a distraught women in a white dress contemplating whether or not she has trichomoniasis

Vaginal & Hormonal Health

Can a Woman Get Trichomoniasis on Her Own?

Like any STI, you can’t contract trichomoniasis on your own. Learn more about how trich is spread, its warning signs, and how to treat it.

Vaginal & Hormonal Health

What Do STDs Look Like?

STDs don’t always cause symptoms, but it’s important to understand the signs of STDs and what STDs look like.

A female figure who has symptoms of bacterial vaginosis

Vaginal & Hormonal Health

What Are the Symptoms of Bacterial Vaginosis?

BV is one of the most common causes of unusual discharge. Keep reading to learn more about the symptoms of bacterial vaginosis and how to treat them.

A woman trying to understand the difference between a vulva and a vagina as she puts on her silk underwear

Vaginal & Hormonal Health

Vulva vs Vagina: What’s the Difference?

Although most of us use the term “vagina” to refer to the vulva, they’re two different things. Learn more about the female anatomy.

Vaginal & Hormonal Health

What Does Bacterial Vaginosis Discharge Look Like?

Understanding what bacterial vaginosis discharge looks like can help you spot and manage this infection effectively. Learn more.

A woman scratching here vagina wondering what is causing her vaginal irritation

Vaginal & Hormonal Health

7 Causes of Vaginal Irritation

Learn more about the most common causes of vaginal irritation, including infections, vaginal dryness, or a reaction caused by feminine hygiene products.

Trichmoniasis is normally greenish in color and this gradient represents what Trichomoniasis discharge looks like

Vaginal & Hormonal Health

What Does Trichomoniasis Discharge Look Like?

Learn more about what trichomoniasis discharge looks like, plus other symptoms and how to treat this common STI.

A woman looking at her underwear trying to figure out if she has genital pimples or an STD

Vaginal & Hormonal Health

Genital Pimples vs STD: How to Spot the Difference

Learn more about which STDs can cause growths that look like pimples, plus other signs and symptoms to look out for.

tiny fungi in the wild representing a yeast infection, as yeast is a fungi

Vaginal & Hormonal Health

How Do You Get a Yeast Infection?

Yeast infections are a common issue, and understanding how they develop can help you prevent and manage them more effectively, Learn more.

A microscopic photo of pink and green Chlamydia vessels to show what Chlamydia looks like

Vaginal Microbiome 101

What Does Chlamydia Look Like?

Learn everything you need to know about what chlamydia symptoms look like, how to know if you have it, and how to treat it.

A concerned women trying to figure how to stop itching down there

Vaginal & Hormonal Health

How to Stop Itching Down There Immediately

Learn more about how to stop itching down there, including home remedies and when to see a healthcare provider.

A zoomed in photo of Bacterial Vaginosis causing bacteria in a green hue

Vaginal Microbiome 101

What Causes Bacterial Vaginosis?

What causes bacterial vaginosis, exactly? The cause of BV isn’t well understood, but there are risk factors that can make you more prone to developing BV. Keep reading to learn more.