What Causes White Sticky Discharge in Underwear?

Vaginal discharge is a common bodily function, often appearing as a white, sticky substance in underwear. While sometimes a concern, discharge is frequently a normal and healthy indicator of the body’s processes. This fluid, a mix of vaginal secretions and cervical mucus, plays important roles in maintaining vaginal health. Understanding its variations, both typical and abnormal, helps individuals comprehend their body’s signals. This article explores the characteristics of normal discharge and delves into common causes of changes in its appearance.

Normal Vaginal Discharge

Healthy vaginal discharge is typically clear or white and can vary in consistency from watery to thick and sticky. This natural fluid keeps the vagina clean, provides lubrication, and helps prevent infections. Its amount and texture naturally fluctuate throughout the menstrual cycle due to hormonal changes.

Around ovulation, when estrogen levels rise, discharge often becomes clear, stretchy, and slippery, resembling raw egg whites. This consistency aids sperm movement, indicating increased fertility. After ovulation, increased progesterone causes discharge to become thicker, stickier, and more opaque, often appearing white. During pregnancy, increased discharge is also common, helping to protect against infection.

Common Causes of Abnormal Discharge

Changes in vaginal discharge, especially with other symptoms, can indicate an infection. Bacterial vaginosis (BV) often presents as thin, grayish-white discharge with a strong, fishy odor that may worsen after sex. Burning during urination may occur, though itching is uncommon.

Yeast infections (candidiasis) typically produce thick, white discharge resembling cottage cheese, with little to no odor. This discharge is often accompanied by intense itching, burning, and redness around the vaginal area. These infections result from an overgrowth of naturally occurring yeast.

Sexually transmitted infections (STIs) can also alter discharge. Trichomoniasis may cause frothy, greenish-yellow discharge with a strong, foul odor, along with itching, burning, or pain during urination or sex. Chlamydia and gonorrhea might lead to yellowish or greenish discharge, though they are frequently asymptomatic. It is important to note that any unusual discharge with accompanying symptoms warrants medical attention for proper diagnosis and treatment.

Other Factors Influencing Discharge

Beyond infections, several non-infectious elements can influence the characteristics of vaginal discharge. Allergic reactions or irritation from various products are common culprits. Scented soaps, feminine hygiene sprays, douches, laundry detergents, fabric softeners, or certain lubricants and condoms can irritate sensitive vulvovaginal tissues, altering or increasing discharge.

A foreign object in the vagina can also cause discharge changes. For instance, a retained tampon can lead to foul-smelling, discolored discharge (yellow, green, brown, or black). Such irritation may also be accompanied by itching or discomfort.

Hormonal shifts, distinct from the menstrual cycle, also affect discharge. Hormonal birth control, especially those with progestins, can make discharge thicker. During perimenopause and menopause, decreasing estrogen levels can lead to vaginal tissue changes, potentially causing dryness, thinning, or altered discharge.

When to Consult a Healthcare Professional

While many variations in vaginal discharge are normal, certain signs warrant consulting a healthcare professional. Any significant change in discharge color, consistency, or odor that persists or worsens should prompt medical attention. For example, discharge that becomes gray, green, frothy, or cottage-cheese-like, especially if accompanied by a strong, unpleasant odor, is a reason for concern.

A doctor’s visit is also warranted if discharge is accompanied by symptoms such as itching, burning, pain during urination or sexual activity, or pelvic pain. New symptoms after unprotected sex or with a new sexual partner, or if self-treatment for a suspected yeast infection fails, also require professional evaluation.

Maintaining Vaginal Health

Adopting specific practices can help maintain a healthy vaginal environment. Proper hygiene involves gently washing the external genital area daily with warm water and a mild, unscented soap. Always wipe from front to back after using the toilet to prevent bacterial spread.

Avoid irritants like douches, scented feminine hygiene products, harsh soaps, and strong detergents, as they disrupt the vagina’s natural pH balance. Wearing breathable cotton underwear helps ensure proper airflow and reduces moisture buildup, discouraging bacterial and yeast growth.

Practice safe sex, including consistent condom use, to prevent sexually transmitted infections. Additionally, maintaining overall health through adequate hydration supports vaginal moisture and lubrication. A balanced diet, incorporating probiotics, can also contribute to a healthy vaginal microbiome.