Inclusion Criteria:  Confirmed diagnosis of de Quervain's tenosynovitis based on the de Quervain's screening tool (DQST) with scores ≥ 5 (refer to table 1) No prior treatment Above 21 years of age  Exclusion Criteria:  Allergy to steroid (triamcinolone acetate) or local anaesthetic (lignocaine) History of work related trauma