Hi! I googled Bowel Movement Headache and this site came up. I've been suffering this kind of headache for over 15 years. It started when i was 12-13 and never really stopped. My parents never took me to a doctor and I never thought the headache is connected to my bowel movement until a couple of years ago. I think it has to do with intollerance to certain food: am avoiding chocolate for instance. A test will be next. Anyway, I moved from Italy to England and was offered a black tea with milk. Before drinking a mug I felt the stiffness coming up in my neck again. After a second mug the pain left. I have kept drinking black tea with milk ever since and something changed. It's like the pulsing in my head disappeared, even when I feel sick the pain is different, softer and not as strong. Shortly after drinking it I need the toilet and it's like whatever I ate and hurt me comes out. It really helped me! Give it a try... and let me know if this works for others too.
The bowel will act up just as you describe, will hold for a number of days and then all those symptoms as you describe happen, The reason is because the allergen you ate can not be digested properly by your intestants and you get blowded, gasy, uncomfortable, I bet belching too. Once it finally digests the allergen you have your BM as strange as it may be. But if you eliminate the allergen from your diet. Believe me you will be "normal" again. Allergies can cause havoc with your system and a cure is so simple, just stop injesting it.
I'm glad to hear that you're better, but please find out about your allergies. See if you have any and then stop eating what you're severely allergic to and your headaches will go away. It worked for me and I had the same symptoms and you.
Just to follow up on the excruciating headaches, I no longer have them. I have not under any circumstances eaten CHICKEN, to which I am allergic.
I can go to the bethroom normally again, no discomfort at all. I no longer fear the fact that I have to have a bowel movement. People, please believe me find out what your allergy is and STOP EATING THE CAUSE OF YOUR ALLERGY. You will be pain free. I was so scared when I experienced those headaches 3 day in a row, that I thought I was going to have a massive stroke. I thought I would die on the toilette. So please believe me and take my advice. Those headaches were unreal, brain explosive.
As I posted before, I came to the conclusion that in my case it was the fact that I started to eat chicken to which I am allergic. If you read my posts I explained it in detail. Now I stopped eating chicken again and no more of these horrible headaches. Find out what you're allergic to stop eating it and you will be pain free and enjoy the "throne" again.
The first time I experieced this horrible throbbing painful headache all over my head, I thought my brain would explode inside my skull. There was not a spot that did not hurt. I began massaging my head while still on the "throne" the pain started in my sides and throughout the entire top of my head, to the back of my neck. I really thought I was going to have a strone while taking a movement. I went and took 3 tylenols, and placed ice pack all over my head and told my husband that if I don't get better in 15 min. we have to call and ambulance. That is how bad it was. After 15 min. I felt some relief. The headache lasted 6 hrs. plus my eyes were thobing too. I have no health issues other than allergies and asthma. I started taking ZYRTEC recently, and wonder if this could be the cause. Yesterday I purposly did not take it and today, even though I was afraid to go to the bethroom, I went had a movement without any painful headache. But I did take 2 tylenols when I woke up, just in case. I would appreciate your opinions on this. Because it really is horrible, you get fear of the toilete, and its no joke.