I'm not on this particular drug but have had allergic reactions to others which brought me out in an itchy rash after taking it for a few days when it had worked its way into my system. If you are worried then call your GP; not forgetting it's Friday today.
You should of been given a leaflet telling you about the drug and side affects if you have not been given one go back to your chemist and ask for one.some drug's take time to build up in your body before you get side affects I took gabapentin for three days before the side affects kicked in so your itching could very well be the capsules you will be able to find the information on this drug online
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