Anal Fissure Flashcards
Presentation?
- Severe anal pain/ tearing sensation (passing stool + hours later)
- Anal spasms (70%)
- Bright red PR bleed (stool or paper)
- Children - pain/crying when passing stool
Common locations?
- 90% posterior midline (spread but cheeks)
- anterior line rare but more likely in females
What may be visible if chronic fissure?
- sentinel pile (skin tag)
What do you want to exclude?
- Thrombosed Haemorrhoid
- colorectal cancer
Risk factors?
(1) constipation
(2) pregnancy
Causes of secondary anal fissures?
(1) constipation
(2) colorectal cancer
(3) STI
(4) IBD
(5) Sexual abuse in children
Would you perform digital rectal examination?
Not in primary care, usually not possible due to pain/spasm.
Can consider under anaesthesia in secondary.
First line treatments?
(1) Laxatives/fibre - constipation
(2) Lidocaine cream/jelly - pain
(3) Nifedipine/nitroglycerine - vasodilate
Second line treatments?
CCB’s = topical/oral diltiazem OR oral nifedipine
Next step if signs of Crohn’s?
Refer to gastroenterologist