Duration of the symptoms ?
Are all fingers involved ?
Any associated skin cracks ?
Any associated dryness in the skin ?
Any treatment history so far ?
Any associated skin lesion ?
Is the itching generalised all over the body ?
Since how many days are you having this symptom ?
Well there are various causes of itching like allergy ,skin dryness,sweating , contact dermatitis .With a history of 1 day old itching some anti histaminic can be prescribed to you for symptomatic relief from itching . Avoid scratching or rubbing the itchy areas .
Local application of anti itch lotion like calamine lotion .
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If the symptoms persists by these basic treatments then you may consult a doctor for further evaluation .