This does sound like kundalini symptoms. Are you following the AYP system? or if not can you tell us what practices you have been doing, then we may be able to advise you. Sounds like you may need to self pace a bit
Hi again without knowing exactly what you are doing its difficult to advise you, but it sounds like you have blockages specifically neck block for that you could try chin pump here and see if that works you could also have a look at this topic