i started experiencing burning sensations on my right feet some 4 years back. this sensation spread to my back and then up to my face all only on the right side. i notice it satarted a time when i was going through some emotional problems and the n later it stoped. Now any time am not too happy or dont feel good it starts and its not only sensations again but also mild pain on my right side. i dont know what it is i saw a neurologist when it started and i was told nothing is wron with me. Recently, i went to see a doctor who said its cluster headache and gave me pregabalin hard capsules but not helping. can anyone assist on what it might be?