Recently been diagnosed with IBS been prescribed Mebervine

Hi everyone I’m new to this forum. I’m 25 years old and as of 3 days ago I was diagnosed with IBS Type A (Mixed). My doctor prescribed me Mebervine and advised me to take peppermint oil capsules. I only picked up the prescription yesterday and I’ve only had 1 tablet. After taking the tablet I felt as though I could barely stand up and my chest had a pressure feeling to it. I then ate as instructed. After eating I felt awake very suddenly and very alert. I had no bowel movement or anything either. However for the first time in a long time I didn’t feel sick after eating. I thought ‘this is great! I feel normal’ until a few hours later when I got the worse pain ever in my chest. I soldiered through despite the pain and went to bed. I’ve woke up this morning and my lower back is in a lot of pain and my chest is in even more pain than it was yesterday. I keep feeling like I’m going to be sick as well. I feel really rubbish! And I feel even more bloated than I did yesterday!

I was hoping someone might be able to advise me if this is normal with Mebervine or not. Whether it’s worth continuing to take it because the pain I’m in isn’t nice at all. I feel worse off than I was beforehand. Obviously with the weekend being here I can’t contact my GP and the hospitals around me are all hit with the norovirus so I don’t fancy my chances with that one. 

I wish I could help but have never taken this drug. As it is the weekend I would go and get some advice from a pharmacist and then ? Make an appointment with your GP  next week xx

I will go speak to my pharmacist to see what they suggest and then speak to my GP next week. I've looked at the leaflet that came with the drug but it doesn't state any side effects besides a skin allergy, which isn't very useful at all. 

Thank you for your reply! smile xx

Mebeverine made me very unwell after the first tablet.  They made me very constipated, and gave me severe indigestion.  I felt my food digesting for one hour.  I tried them twice with the same symotoms.  My stomach pain got no better.  Stop the tablets and try Buscopan instead. That worked for me.

I forgot to say that the patient leaflet on Mebeverine is very poor.  If you google the side effects, you will see far more. When I googled Mebeverine, all my side effects came up like a textbook.