05 June 2026
: Case report 
Rare Complications in Crohn’s Disease: Diagnostic and Therapeutic Challenge of Dermal Abscesses Caused by Nontuberculous Mycobacteria Following Infliximab Therapy, and Fluoroquinolone-Related Achilles Tendon Rupture
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease, Adverse events of drug therapy, Educational Purpose (only if useful for a systematic review or synthesis)
Nidhi Gupta ABCDEF 1*, Kriti Yadav BF 1, Andrew Carter CD 1, Brandon Karimian
DF 1, Charly Almonte EF 1, Rahul Sampath ABCDG 1
DOI: 10.12659/AJCR.952790
Am J Case Rep 2026; 27:e952790
Table 1 Laboratory investigations at admission, discharge, and follow-up.
| Investigation | At admission | At discharge following 4 days of IV antibiotics | Follow-up after 4 weeks of bactrim and clarithromycin | Follow-up after 3 months of bactrim and clarithromycin |
|---|---|---|---|---|
| Hb | 13.9 | 10.9 | 11.9 | 12.8 |
| WBC | 21.9 | 12.8 | 9.8 | 7.7 |
| Platelet count | 531 | 379 | 289 | 235 |
| ESR | 29 | |||
| CRP | 18 | 1.2 | 2 | |
| Creatinine | 1.14 | 0.72 | 1.27 | 1.25 |
| eGFR | 75 | >90 | 66 | 67 |
| AST | 11 | 12 | 18 | 19 |
| ALT | 10 | 7 | 18 | 20 |
| ALP | 103 | 87 | 110 | 110 |
| Sodium | 130 | 136 | 137 | |
| Potassium | 5.2 | 4.1 | 5.1 | |
| Calcium | 10.1 | 8.9 | 9.2 | |
| Albumin | 3.8 | 3.2 | 3.7 | 4.1 |
| Lactic acid | 1.4 | |||
| Magnesium | 2 | 1.7 | ||
| Phosphorus | 2.8 | 2 | ||
| Urine analysis | Normal | |||
| Urine drug screen | Negative | |||
| Urine microalbumin/creatinine ratio | 103 | |||
| HbA1c | 5.8 | |||
| IV – intravenous; Hb – hemoglobin; WBC – white blood cells; ESR – erythrocyte sedimentation rate; CRP – C-reactive protein; eGFR – e glomerular filtration rate; AST – aspartate transaminase; ALT – alanine transaminase; ALP – alkaline phosphatase; HbA1c – glycated hemoglobin. | ||||