Sex Therapy

Top 12 Reasons Why Men Feel Nauseous After Sex

4.2/5 - (8 votes)

Why Do I Feel Nauseous After Sex?

Feeling nauseous after sex can be confusing and even worrying, especially if you are not sure why it is happening. Many men experience nausea, dizziness, or discomfort after sex at some point, and in most cases, it is not a sign of something serious.

Nausea after sex can be linked to physical responses in the body, emotional or psychological factors, or a combination of both. Understanding the possible reasons can help reduce anxiety and make it easier to decide whether anything needs attention.

Below, we explore some of the most common reasons why men may feel nauseous after sex, along with guidance on when it is normal and when it may be worth seeking support.

12 Reasons Why Men Feel Nauseous After Sex

Are you feeling sick after sex? It might be because of stuff going on in your head. Things like worrying about how you’re performing, feeling stressed out, or dealing with past bad experiences can mess with how you feel afterward.

You may be worried about Performance Anxiety

As a guy, you might worry about something called Performance Anxiety. It’s pretty common among men during sex. You might feel stressed or nervous about how you’re doing in bed.

Maybe you’re worried about pleasing your partner, or you’re afraid you won’t perform well. All that pressure can mess with your confidence and make you feel sick after sex.

If this sounds like you, finding ways to relax and take the pressure off yourself is important.

You Are Stressed or Anxious

You might feel Stressed or Anxious. It’s pretty common for guys to feel this way during or after sex, especially when there’s stuff going on in your relationship.

Things like arguments, family stuff, money worries, and other everyday problems can add to the stress.

For those seeking structured support, a virtual IOP can offer tools to better understand and manage these stressors in a supportive environment. All these things can make you feel on edge and might even make you feel sick after sex.

You Are Suffering From Sexual Trauma

As a man, you might find yourself dealing with Sexual Trauma. It’s a tough situation, but it can happen to guys, too.

Sexual trauma isn’t just about past relationships—it can happen with your current partner, too.

Maybe something bad or scary happened during sex, like abuse or assault, and now it’s affecting how you feel about it. These experiences can stick with you and even make you feel nauseous after sex.

You might be missing Intimacy in Your Relationship

Men, feeling nauseous after sex might mean you’re missing intimacy in your relationship. Intimacy isn’t just about being close physically—it’s also about feeling emotionally connected to your partner.

Maybe you don’t talk as much as you used to, or trust issues or arguments haven’t been resolved. Stress or work pressures can also get in the way of intimacy.

If you’re feeling this way, try talking openly with your partner, spending quality time together, or getting help if you need it.

Your Partner Smells Bad

If your partner smells bad, it can bother you during sex. It might make you feel uncomfortable or even sick.

Things like body odor, bad breath, or smelly private parts can be a real problem and ruin the mood. It’s important to talk to your partner about it kindly.

They might not realize it’s an issue, and there are simple fixes like taking a shower before sex or using scented products. Talking openly about it can help make sure both of you enjoy sex more.

You may be hurt by Partner Infidelity or Past Pain

As a man, feeling sick after sex might be because you’ve been hurt by partner infidelity or past pain.

Betrayal and old wounds can stick around, messing with how you feel and making it hard to enjoy being close to your partner.

Discovering your partner cheated can make you feel like you’re not enough and break your trust, leaving you feeling insecure in the relationship.

Similarly, past heartbreak or trauma can pop up during intimate moments, making you feel upset or uncomfortable.

You might experience a Vasovagal Response

Sometimes, as a man, you might have a Vasovagal Response. It’s when your body reacts to certain triggers, like the intensity of sexual activity, by causing a drop in blood pressure and heart rate.

This can make you feel dizzy, nauseous, or even faint after sex. It’s your body’s way of trying to regulate itself, but it can leave you feeling pretty lousy.

If this happens often, it might be worth mentioning to your doctor to rule out any underlying issues.

You may feel Tired from Physical Exertion

After sex, you might feel tired from all the physical effort.

It’s like when you’ve had a really good workout and your body needs a rest. Sex can be pretty intense, so feeling worn out afterward is normal.

If you’re feeling extra tired, it might be a sign to take it easy next time or consider getting in better shape overall. Just remember to listen to your body and take breaks if you need to.

You might be dealing with Hormonal Changes

As a guy, you might be dealing with hormonal changes.

Your body’s hormones can go up and down, especially around sex. These changes can make you feel different physically and emotionally, like feeling sick or tired.

If you notice anything weird after sex, it might be because of these hormone swings.

You could be affected by the Rush of Adrenaline

As a guy, you might feel the effects of adrenaline after sex. Adrenaline is a hormone that your body releases when you’re excited or stressed, like during sex.

It can make your heart beat faster and give you a burst of energy. But once the excitement wears off, you might feel a bit shaky or sick. It’s like the feeling you get after a rollercoaster ride.

If you’re feeling this way, it’s normal—it’s just your body’s way of reacting to the excitement of sex.

You may feel Pain or Discomfort after an Orgasm

Some men might feel some pain or discomfort after an orgasm.

Sometimes, the strong muscle squeezing during orgasm can cause temporary soreness or even pain in your private area.

This could happen because of muscle tightness, sensitivity, or maybe some health issues. If the pain or discomfort sticks around after orgasm, it’s important to see a doctor.

You might need More Foreplay for a Better Experience

As a guy, you might find that having more foreplay can make your experience better.

Foreplay, like kissing, touching, and other intimate activities before sex, can help you and your partner get in the mood and feel more connected. It can also increase arousal and make sex more enjoyable.

If you’re not having enough foreplay, it could lead to discomfort or feeling nauseous after sex.

Physical vs Emotional Reasons for Feeling Nauseous After Sex

Feeling nauseous after sex can happen for different reasons, and they generally fall into two categories: physical responses in the body and emotional or psychological factors.

Physical causes may include changes in blood pressure, dehydration, hormonal shifts, intense physical exertion, or a vasovagal response. These reactions are often temporary and can happen even in otherwise healthy men.

Emotional and psychological causes may include anxiety, stress, performance pressure, unresolved relationship issues, or past sexual experiences. When the mind feels overwhelmed, the body can react with symptoms such as nausea or dizziness.

Understanding whether the cause feels more physical or emotional can make it easier to know how to respond and when additional support may be helpful.

How To Treat Feeling Nauseous After Sex in Males

If you’re a man feeling nauseous after sex, here’s how you can treat it

Cognitive Behavioral Therapy (CBT)

Cognitive Behavioral Therapy (CBT) can help men feeling sick after sex by tackling any mental issues causing the discomfort.

By using CBT methods, like changing negative thoughts and behaviors, guys can learn ways to handle anxiety or stress during sex, which might reduce the sick feeling afterward.

Sex Therapy

Sex therapy can help men who feel sick after sex by talking about their concerns with a therapist.

This might include issues like feeling anxious or stressed during sex, having difficulty communicating with their partner, or experiencing past traumas.

By working with a therapist to address these issues and learn coping strategies, men can improve their sexual experiences and reduce feelings of nausea afterward.

Online Sex Therapy At PsychiCare

Online sex therapy at PsychiCare is a form of psychotherapy that centers on sexual health. Similar to in-person sessions, it’s conducted through video calls or chat.

Sessions cost $18 each and are led by clinical psychologists with over 5 years of experience in the field. PsychiCare has received over 300 positive reviews from past patients.

Some Faqs About Feeling Nauseous After Sex For Men

Why do I feel nauseous after sex the next day?

If you feel nauseous the day after sex, it could be due to various reasons such as dehydration, hormonal changes, or even an underlying health issue. Ensure you stay hydrated and get enough rest. If the nausea persists, it’s essential to consult a doctor.

Why do I feel nauseous after unprotected sex?

If you feel nauseous after unprotected sex, it might stem from anxiety or worry about pregnancy or sexually transmitted infections (STIs). Addressing these concerns and considering medical advice or testing if needed is important.

Why do I feel nauseous when I think about sex?

Feeling nauseous when thinking about sex could be related to psychological factors like anxiety, trauma, or negative experiences. Seeking help from a therapist can aid in addressing these feelings and finding coping strategies.

Why do I feel nauseous and stomach pain after sex?

Nausea and stomach pain after sex may indicate digestive issues like indigestion or gastroesophageal reflux disease (GERD). Pay attention to accompanying symptoms and seek medical advice if discomfort persists.

Why do I feel nauseous and light-headed after sex?

Feeling nauseous and light-headed after sex might be due to a drop in blood pressure or dehydration. Stay hydrated and take breaks during physical activity to prevent these symptoms.

Why do I feel like throwing up after sex?

Feeling like throwing up after sex could result from factors like anxiety, bad body odor, unhygienic genetic parts, hormonal changes, or motion sickness. Taking breaks and addressing any worries with your partner can help manage these feelings.

Why do I always feel like vomiting after sex?

Consistently feeling like vomiting after sex may indicate an underlying health issue or bad body odor, unhygienic genetic parts, or sexual trauma. Seeking medical advice is crucial to determine the cause and explore appropriate treatment options.

Author

  • Dr. Talat Fatema is a highly respected psychologist and certified sexologist, known for her compassionate and evidence-based approach to mental and sexual health. With years of experience supporting individuals, couples, and families, she specialises in helping people overcome sexual dysfunctions, strengthen relationships, and navigate complex concerns around intimacy and identity. Alongside her clinical practice, Dr. Fatema actively collaborates with hospitals and health foundations to promote sexual wellness and education.

    View all posts
Dr Talat Fatema

Dr. Talat Fatema is a highly respected psychologist and certified sexologist, known for her compassionate and evidence-based approach to mental and sexual health. With years of experience supporting individuals, couples, and families, she specialises in helping people overcome sexual dysfunctions, strengthen relationships, and navigate complex concerns around intimacy and identity. Alongside her clinical practice, Dr. Fatema actively collaborates with hospitals and health foundations to promote sexual wellness and education.

Share
Published by
Dr Talat Fatema

Recent Posts

Too Stressed to Sleep? 10 Real Reasons Your Mind Won’t Switch Off

Lying in bed exhausted but too stressed to sleep? Mind racing? Thinking about work, mistakes,…

1 month ago

Top 60+ Questions to Ask in Online Marriage Counselling

You’ve tried to talk, but every conversation turns into a fight or worse, silence. You…

3 months ago

Mental Health After Brain Injury: Causes, Symptoms, and Recovery

When people hear “brain injury,” they often think of physical problems: Headaches and dizziness Fatigue…

3 months ago

How Trauma Is Stored in the Body: Signs, Science, and Healing

Trauma doesn’t always stay in the past. It can live on in the body, tight…

4 months ago

10 Types of Obsessive Compulsive Disorder (OCD) You Should Know

Updated: November 2025 · Added clearer breakdown of OCD subtypes and updated clinical language. Obsessive-Compulsive…

2 months ago

Ghosting, Breadcrumbing & Emotional Unavailability – Why Dating Feels So Anxious

Dating in 2025 feels harder than ever. People disappear without a word, send mixed signals,…

4 months ago