Nausea after Bowel Movement

Nausea after Bowel Movement

A bowel movement is what is past as waste from your body. The anus is the passageway through which this waste passes. Another name for stool is feaces and it contains waste of food eaten and utilized by the body. Nausea after bowel movement therefore means the feeling of being weak and lazy associated with altered consciousness after passing out stool through the anus. There are normally factors that contribute to this, and if these factors are corrected then one could return to normal state and pass stool without any complications or disturbances.

Possible causes of nausea after bowel movement

Irritable Bowel Syndrome Disease: This is a condition that leads to discomfort through cramping and pain when passing feaces. The reasons for developing the above condition are not well understood, though sometimes it occurs after patients suffer from intestinal pathological issues. The nerves of the enteric nervous system are connected to the brain through nerves and send the signals that go back and forth affecting the bowel function and symptoms. People with this condition normally have nausea after bowel movement.

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Ulcerative colitis disorder: Normally, excessive secretion of acid as a result of stress triggers the erosion of the mucous walls of the colon and rectum. This leads to inflammation of the colon as the body is trying to defend itself from the acid being produced. This leads to ulcerative colitis and makes it difficult and painful when passing stool thus making one feel nausea.

Diet being taken or consumed: Poor diet can be another reason for people to feel weak after bowel movement. Lack of fiber in your diet can trigger the act of feeling nausea after passing stool. Foods with low mg2+ levels, lactose intolerance, or ingesting foods and beverages that contain aspartame can contribute to the problem.

Vagus Nerve stimulation: Activation of Vagus nerve may occur during bowel movement leading to hypotension. This may lead to nausea during or after bowel movement. It is a nerve that plays a role in regulating heart rate and its alteration leads to impaired blood supply including the brain leading to nausea and weakness.

Celiac condition: It is an autoimmune disease of the jejunum and duodenum. It is an inherited disease. Most common symptoms include diarrhea, weight loss, or inability to gain weight and fatigue. Often symptoms are not directly related to the bowels, but to organ systems.

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A person can feel pain, fatigue, abdominal cramps, and dizziness. Pain and discomfort may occur in different anatomical parts of the lower abdomen. Pain is usually temporary and not severe. Pain is not severe and varies from time. Pain and nausea may reduce within minutes to hours after you pass stool depending on the condition that makes you feel nauseated. Most people who suffer from nausea after bowel movement describe the pain as colic. The severity of the pain can vary from mild to severe, both from person to person, and from time to time in the same person.


People who have this condition need to be treated both medically and psychologically. It is always good they notice what make the symptoms improve once they get such an attack after passing stool. The treatment plan can start with taking a healthy diet that has all the nutrients as well fiber in it. This will assist the person in digestion and normal stool shall hence be passed. Fiber foods include whole grain and vegetables that assist them in making sure stool produced does not cause symptoms of nausea.

During diarrhea, people might also feel nauseated. It is therefore normally nice you take anti-diarrheal agents like loperamide so as to stop this symptom. During diarrhea, the body loses a lot of fluid that makes blood volume go down leading to hypotension that makes one have nausea when passing out feces.

Counseling is also good as it makes the person not feel so stressed and to some extent, it can reduce the disease. Causes like the ones of inflammation can greatly be reduced because low stress mean there is reduction in acid secretion thus reducing erosion of the gut mucosal membrane hence giving relief to the person. Ensure that one is free from stress and stays healthy.

It’s always good to know what causes the nausea before starting any medication. If it improves after a certain intervention then one needs to explain that to the doctor because it can be the basis for making a proper diagnosis that will lead to the right prognosis and hence have a good life. Sometimes infection by yeast can also cause this condition therefore, it’s good to do a reliable diagnostic procedure before starting any treatment and ensure you are eliminating the cause of the problem. Take plenty of fluids in situations of diarrhea so as to avoid dehydration and hypotension.

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Comments (13)

  1. Shirley Vietmeier

    I have all the symptoms of tired, weak, feeling sick, muscle weakness, faint feeling. I haven’t gotten any help and do not want anymore bowel tests.
    Is there any medications that help? I have normal bowel movements and really discouraged. We have a family vacation coming and no help. Please give me some advice.
    Thank You!
    I have suffered for many years and had counseling and do take a depression medication.

    • Dawn s

      Mine are normal as well, but sometimes I just get nausea afterwards. I take zofran when this happens. It is an anti nausea medication. I also try using calming essential oils because when this happens, my anxiety goes up and I get stressed out.

    • Eve

      I started taking lexapro and now this nauseous feeling is happening at night when I lay down, and after bowel movements.

    • Collette

      I take linaclotide (constella) this helps with the bloating and pain. Prescribed by the gasto-consultant I have ibs which I have had for over 20 years. I also have gastritis which I struggle with. Puts me off eating anything? Hope this helps.

  2. Connie

    Hi Shirley,

    Believe it or not, I have the exact same symptoms you have and I was diagnosed with Fibromyalgia which includes IBS symptoms. I have frequent nausea as well after a bowel movement. I have now had it for one week consistently. I also have severe muscle pain and weakness all over. I have chronic fatigue which is also a symptom of Fibromyalgia. I take Lyrica, Zofran as Dawn does and I take Amitriptyline, and Bentyl or Dicyclomine. I am not constipated now and have normal bowel movements too. I think it’s worth looking into as our symptoms are very similar. Hope this helps!

  3. MKJ

    I have this feeling but I have emmetaphobia and it makes it really have after during the bathroom I have anxiety and it feels like my stomach is on fire in side I do take medication to prevent internal bleeding.

    • Jenni

      Every morning I go have mutiple bm after I eat breakfast, cereal and coffee. I. Get nausea and have to sit down coming out of bathroom, why does this happen ?

    • May

      I know what you mean. I also have emetophobia plus I suffer from severe constipation, so everytime I have a bowel movement, I feel really nauseous which activates my anxiety. So I go through pain, nausea, and anxiety all at the same time.

  4. Jenn

    My issue is when I get done feel so nauseous I have to sit,
    Down for a minute. Been sick all this week with I not sure what doc says stomach bug , spent less than 5 min in room
    So , anyway trying to keep stuff down , no throwing up , can’t figure out what is making me so nauseated.? Taking nothing but drinking my ginger ale helps . Doc gave me something I couldn’t take , with other meds .

  5. Debbie Smith

    I have had the same problem since December 24. I gave up alcohol, gluten, fried foods and limited sugar. I take a probiotic. No vitamins because the magnesium made my IBS worse. I feel weak, nauseated and sometimes like pins and needles are in my skin. It started out lasting 6-8 hours after a bowel movement. Now it comes and goes and sometimes lasts an hour and sometimes not at all and on occasion all day. Very frustrating. Mine is perimenopause and I hope it eventually subsides. I used to feel relieved after going to the bathroom and now I hate it.

  6. Vannah

    I have had stomach pains before and after eating and sometimes loose stool. Any idea what it could be. I’ve lost so much weight due to this. Help.

  7. Debbie Lablue

    I immediately entered peri about 7 months ago and got very nauseated, weak, pins and needles feeling and extreme anxiety after each bowel movement. I also have head sensations that change with my metabolism. I have throbbing, a fullness, buzzing, off balance, swirling and it has nothing to do with my ears because I had those checked out. It has been horrible. I still battle this but its not as bad. I changed my diet and take thyroid meds, cyclical oral HRT and 28 mg of effexor. I dont drink alcohol, eat spicy, gluten or crucifurous veggies. My stools are normal but have even gotten heart palpitations and hot flashes before a bowel movement. I never had any problems until peri. I refuse to get any tests done because the doctors look at me and say I am a rare case and just wait till the hormones settle. Finding things to relax you really helps like yoga, gardening, massages. Good luck to all and dont give up!

  8. Mark horvath

    I have had the problem of nauseous in the morning after my bowel movement and then it would progress too terrible pain in my stomach if I had a shower it would go away and then come back I would have three or four showers by noon if it did not return then I was good for the rest of the day I searched for years for the problem then I finally quit eating microwave popcorn and it went away

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