Symptoms of OIC

First of all, speak with your doctor. If you’re taking an opioid for pain, then constipation is likely to happen, and your doctor can help – it’s nothing to be embarrassed about.

Many healthcare professionals use the Rome IV Criteria to help diagnose whether your pain medication is causing opioid induced constipation.1

Your healthcare provider will assess whether you have two or more of the following symptoms1,2:

You might have OIC if you’re on an opioid and have at least two of these symptoms:

You have to strain a lot when you try to have a bowel movement

It feels like there might be something blocking your back passage

Your poo becomes very dry and is hard or lumpy (numbers 1 and 2 on the Bristol Stool Chart below)

You have fewer than 3 bowel movements in a week

You feel like you haven’t quite gotten everything out when you go to the toilet

Bristol Stool Chart3

Type 1

Separate hard lumps, like nuts (hard to pass)

Type 2

Sausage-shaped but lumpy

Type 3

Like a sausage but with cracks on its surface

Type 4

Like a sausage or snake, smooth and soft

Type 5

Soft blobs with clear-cut edges (passed easily)

Type 6

Fluffy pieces with ragged edges, a mushy Stool

Type 7

Watery, no solid pieces. Entirely liquid

References
  1. Simren M, et al. Curr Gastroenterol Rep. 2017 :19:15
  2. Lacy BE, et al. Gastroenterology. 2016;150:1393-1407
  3. Lewis SJ, Heaton KW Scandinavian Jorunal of Gastroenterology. 1997;32: 920–4

NP-EU-NAL-0232 | June 2022