Sentence: Thirteen patients with interstitial cystitis diagnosed by the NIH criteria were treated with intravesical electromotive administration of lidocaine and dexamethasone followed by cystodistention .
Drug combination annotation:
[{'class': 'POS', 'spans': ['lidocaine', 'dexamethasone', 'cystodistention'], 'is_context_needed': True}]