<s>[INST] I get an electric shock sensation almost like if you lick your finger and touch a battery, but only happens while im using my glass face touch screen appliances i have gotten different phones etc.. and still the same sensation, and i dont know if its relevant but ive been noticing my finger are slightly swollen. Do you have any advice on what this could be [/INST] Hi, Welcome to Chat Doctor .com I am Chat Doctor. Mariano Into Bruno Mascaras. I have gone through your query with diligence and would like you to know that I am here to help you. Electric shock sensation while using glass face touchscreen appliances are due to Altered Capacitance in your skin. You may consult a Dermatologist in your area for further evaluation Hope you found the answer helpful. If you need any clarification / have doubts / have additional questions / have follow-up questions, then please do not hesitate in asking again. I will be happy to answer your questions. In the future, for continuity of care, I encourage you to contact me directly in Chat Doctor at http://bit.ly/ask </s>