What is this sensation of prickling and small bumps accompanying it, which intensifies in hot places and on summer days and causes itching? And how can one get rid of it and find solutions for it, especially when prayer time comes?

We advise you to fear Allah and to be diligent in reciting the prescribed remembrances (adhkar) and supplications (du'a), and to recite Qur'an upon yourself. Consult specialized dermatologists, for every disease has a cure. You must also avoid the causes that lead to the illness.