Learning to avoid overheating and prompt use of other methods of cooling down is important in preventing collapse. In digestion autonomic nerves stimulate the gut in order to move food through it. They also stimulate the secretion of fluids which helps to breaks down food. If this stimulation is sluggish as in PAF it can lead to feelings of nausea, cramping and constipation. At times it may also cause diarrhoea.
Some people can also experience difficulty with swallowing.
This should be assessed by a Speech Therapist. Erectile Dysfunction in Men. Reproduction is another function under control of the autonomic nervous system. Initially this can mean difficulty maintaining an erection but can vary from a partial to a complete loss of erection. In some men there can also be problems with ejaculation.