Why Does It Burn After Sex: Causes, Relief, & Prevention

Vaginal burning after sex is a common complaint, yet many women hesitate to seek help, unsure whether it's "serious enough" to warrant a doctor's visit. If you're experiencing this discomfort, you're probably wondering what's causing it and whether you should be concerned. Here's what matters: burning after intercourse can range from minor irritation that resolves on its own to symptoms of conditions that need medical treatment.

What does burning after sex mean?

Burning after sex is also known as dyspareunia (painful intercourse) is an uncomfortable sensation that feels like stinging, irritation, or heat in your vaginal or vulvar area. This discomfort can range from mild and temporary to severe and persistent, lasting minutes or hours.

While occasional burning might result from friction or dryness, recurring or intense burning signals something that needs attention – whether an infection, allergic reaction, hormonal change, or underlying condition requiring medical evaluation and treatment.

Is burning after sex normal?

A mild, occasional burning sensation can sometimes happen after sexual intercourse if there was too much friction or not enough lubrication. However, if you're experiencing burning that keeps coming back or becomes painful, it is not normal.

A persistent burning after sexual intercourse may signal an infection or irritation that needs attention. It's important to see a doctor if you also notice unusual discharge, bleeding, painful urination, or an unpleasant smell.

What are the common causes of burning after sex?

Burning after sex can happen for a variety of reasons, and knowing what triggers it can help you manage or prevent it. Here are some common reasons why it happens:

• Infections:

  • Various infections can affect your reproductive or urinary system and can cause irritation and burning.

• Lack of lubrication:

  • When your vagina is too dry during sexual intercourse, friction can lead to discomfort and burning.

• Allergic reactions:

  • You might be sensitive to certain products like condoms, lubricants, or spermicides, causing burning and irritation.

• Hormonal changes:

  • Changes in your hormone levels (especially during menopause or breastfeeding) can make your vaginal tissues thinner and more sensitive.

• Pelvic floor dysfunction:

  • Tight pelvic floor muscles can restrict blood flow and cause nerve irritation, leading to burning during or after intercourse.

If you’re unsure whether your discomfort is caused by dryness, an allergy, or an infection, request an appointment with Thomson Medical. Our specialist will assess your condition and recommend the most effective treatment to restore your comfort and sexual health.

How does burning after sex differ in men and women?

Burning after sex can affect both men and women, but the causes differ because of body differences and hormones.

Women are more likely to experience:

• Vaginal dryness and vaginal atrophy:

  • Occur after menopause or during breastfeeding when low oestrogen causes vaginal walls to thin and lose moisture.

  • Can happen from insufficient foreplay, stress, or hormonal changes that reduce natural lubrication.

  • Certain medications, such as birth control pills or antidepressants, can also contribute to vaginal dryness.

• Bacterial vaginosis (BV):

  • An imbalance of vaginal bacteria can cause burning and a fishy-smelling discharge.

• Vaginal yeast infection:

  • This infection causes itching, soreness, and thick white discharge that worsens after sexual intercourse.

• Pelvic inflammatory disease (PID):

  • An infection of the reproductive organs, including the uterus, ovaries, and fallopian tubes, that causes inflammation and burning during or after sexual intercourse.

• Urinary Tract Infections (UTIs):

  • Women have a shorter urethra, which makes it easier for bacteria to reach the bladder. 

  • This often results in painful urination and burning sensations.

Men are more likely to experience:

• Prostatitis

  • Inflammation of the prostate gland that can cause burning and pelvic discomfort.

• Skin irritation

  • The conditions like balanitis (inflammation of the foreskin or head of the penis) or issues related to a tight foreskin.

• Sexually transmitted infections (STIs):

  • Infections such as gonorrhoea and chlamydia can cause burning and discharge in men.

Both men and women can experience burning from allergic reactions, friction during intercourse, or harsh soaps.

When should you worry about burning after sex?

Mild irritation that goes away within a day is usually harmless. However, some signs mean it's time for you to see a doctor.

You should seek help if you notice:

• Persistent or worsening pain that doesn't go away

• Unusual or fishy-smelling discharge

• Bleeding that isn't your period

• Fever or chills

• Burning during urination

• Symptoms that don't improve with home care

How is the cause diagnosed?

Your doctor will start by asking about your symptoms, sexual activity, and any products you use around the genital area. They may also ask about your period or any changes in your hormones.

To find the cause, your doctor might do:

• A urine test to check for infection such in UTI

• A swab test can be tested for infection like yeast or bacterial vaginosis

• A blood test to check for STIs or hormone levels

• A gentle cotton swab test to find painful areas, especially if vulvodynia is suspected

How can you make the burning go away after sex?

Treatment depends on the cause, but simple care can bring you relief while you wait for results. You can:

• Use a water or silicone-based lubricant during sexual intercourse to reduce friction

• Try different sexual positions that make you feel more comfortable

• Apply a cool compress or ice pack to the vaginal area for relief

• Take over-the-counter pain relievers (such as paracetamol or ibuprofen)

• Wear loose, cotton underwear to reduce irritation

• Avoid scented soaps, lotions, or spermicides that may worsen irritation

How can you prevent burning after sex?

You can lower your risk of burning and irritation after sexual intercourse by taking a few steps:

• During sex:

  • Increase foreplay to improve your natural lubrication

  • Use a water or silicone-based lubricant to reduce friction, even if you feel naturally lubricated

  • Avoid oil-based lubricants, which can break down condoms and cause irritation

  • Communicate with your partner about what feels comfortable 

  • Adjust the speed, depth, or positions if needed

  • Stay hydrated to help your body maintain its natural moisture and reduce the risk of irritation

• Before and after sex:

  • Wash gently with warm water and mild

  • Avoid harsh soaps, douches, or scented vaginal products

  • Use hypoallergenic condoms and other gentle products without added fragrances or chemicals

  • Wear breathable cotton underwear to allow better airflow and prevent infections

If the burning sensation doesn’t go away even after trying these preventive measures, request an appointment with Thomson Medical. Our specialist will examine the cause and guide you on safe ways to restore your comfort and confidence during intimacy.

FAQ

What should I do if it burns after sex?

If you feel a burning sensation after sex, try to ease it right away. You can use a cold compress, take a warm bath, or use an over-the-counter pain reliever such as ibuprofen or paracetamol. Avoid scratching or using perfumed soaps. If the burning continues, gets worse, or comes with discharge, bleeding, or fever, see a doctor. The cause may be dryness, infection, or an allergic reaction, all of which can be treated easily once diagnosed.

How long should irritation after sexual intercourse last?

Mild irritation usually goes away within a few hours to a day. This depends on the cause and how sensitive your skin is. If your discomfort lasts more than two days, becomes painful, or comes with discharge, sores, or bleeding, it's best for you to see your doctor. Persistent irritation can signal an infection or another condition that needs attention.

Is burning after sex a sign of an STI?

Yes, sometimes it can be. Burning after sex may happen with an STI, especially if you also notice discharge, pain when passing urine, or sores around your genitals. However, not all burning means you have an infection. It can be caused by dryness, friction, or allergies. Only your doctor's test can confirm the cause and guide proper treatment.

Can condoms or lubricants cause burning after sex?

Yes, they can. You might be sensitive to latex (the material used in many condoms) or to ingredients in lubricants, such as spermicides or preservatives like chlorhexidine gluconate (a disinfectant). Some people also react to scented lubricants. If you notice burning after using these products, switch to latex-free condoms and water-based lubricants without added chemicals.

How can I soothe burning immediately after sex?

You can soothe the area by applying a cold compress, wearing loose cotton underwear, and avoiding scented soaps or wipes. A warm sitz bath (sitting in shallow warm water) or an oatmeal bath can also calm your skin. Additionally, over-the-counter pain relief can help if you feel sore.

Can dehydration cause burning after sex?

Yes, it can. When you're dehydrated, your urine becomes more concentrated and can irritate your urethra (the tube that carries urine out of your body). Dehydration can also make your vagina dry, causing friction during sex. Drink enough water throughout the day to stay hydrated and reduce discomfort.

Why does it burn after sex if I don't have an infection?

Even without infection, you can experience burning due to dryness, allergies, or friction. Hormonal changes, certain soaps, or tight clothing can make your skin more sensitive. You might also experience it from tight or strained muscles in your pelvic area. If the burning keeps coming back, your doctor can help find the cause and suggest treatment options.

The information provided is intended for general guidance only and should not be considered medical advice. For personalised recommendations and tailored advice based on your unique situations, please consult a specialist at Thomson Medical. Request an appointment with Thomson Medical today.

Reference:

Groven, K. S., & Haugstad, G. K. (January 2016). When sex becomes impossible due to burning pain in and around the vulva https://www.researchgate.net/publication/289512861_When_sex_becomes_impossible_due_to_burning_pain_in_and_around_the_vulva 

Levy, D. A., Khouader, S., & Leynadier, F. (1998). Allergy to latex condoms. Allergy, 53(11), 1107–1108. https://doi.org/10.1111/j.1398-9995.1998.tb03827.x 

Waetjen, L. E., Crawford, S. L., Chang, P.-Y., Reed, B. D., Hess, R., Avis, N. E., Harlow, S. D., Greendale, G. A., Dugan, S. A., Gold, E. B., & Study of Womenʼs Health Across the Nation (SWAN). (2018, October). Factors associated with developing vaginal dryness symptoms in women transitioning through menopause: A longitudinal study. Menopause (New York, N.Y.). https://pmc.ncbi.nlm.nih.gov/articles/PMC6136974/