fentanyl citrate · Medicine question

Can Abstral (fentanyl citrate) cause a slow heart rate?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Abstral (fentanyl citrate) may cause bradycardia (a slow heart rate) and should be used with caution in patients with previous or pre-existing bradyarrhythmias.

Sources for this answer

Abstral Sublingual TabletsGrunenthal Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 18Document updated 1 April 2026

Sources checked 8 November 2026

Explore this learning need in CPDTake this topic to CPD, then choose your learning context and available question library.

How much sodium does each Abstral (fentanyl citrate) tablet contain?Can Abstral (fentanyl citrate) be used with sodium oxybate?How can ketoconazole affect Abstral (fentanyl citrate)?How should Abstral (fentanyl citrate) sublingual tablets be administered?What serious interaction can occur between Abstral (fentanyl citrate) and SSRI antidepressants?Why should Abstral (fentanyl citrate) not be used during breastfeeding?

loading page…

Answer

Sources for this answer

More questions about fentanyl citrate

Answer

Sources for this answer

More questions about fentanyl citrate

fentanyl citrate

More clinical questions?