Background: Medicines with controlled release can cause a rare phenomenon, known as pharmacobezoar, following overdose of these medications.
Case description: A case of a 56-year-old women with severe clomipramine intoxication is described. X-ray of the abdomen showed a cluster of tablets in the caecum. Lab results showed severe plasma concentration of clomipramine. Patient was treated with active coal and remained stable.
Conclusion: It is important to be aware of the presence of pharmacobezoar in intoxication with controlled release medicines. The formation of pharmacobezoar can lead to unpredictable duration of intoxication.