It's uncommon of having fissure surgery and having
thyroid issue
But undiagnosed thyroid issue can indirectly contribute to poor healing of anal fissure
Hyperthyroidism may affect blood circulation, which could impair the healing process of anal fissures, as proper blood flow is essential for tissue repair.
Hyperthyroidism can cause increased sweating and urination, leading to dehydration if fluid intake is not adequately maintained. Dehydration can result in harder stools, making bowel movements more difficult and potentially exacerbating anal fissures.
Next Steps
take prescribed medicines