Allodynia is the appearance of pain when exposed to stimuli that normally do not cause pain. It is noted in causalgia, neuropathies and polyneuropathies, herpes zoster, multiple sclerosis, migraine, condition after spinal cord injuries, strokes, spinal operations. To establish the cause of allodynia, data from a survey, general and neurological examination, electrophysiological, neuroimaging and laboratory studies are used. Treatment - analgesics, blockade with anesthetics, vitamins, antidepressants, physiotherapy techniques. Surgery is sometimes recommended.
Toothache is noted with caries, pulpitis, periodontal and periodontal diseases, purulent-inflammatory processes in the periosteum, bone and surrounding soft tissues. It can be observed with bruxism, TMJ dysfunction, tooth hypersensitivity, some neuralgia. It can be dull, sharp, constant, intermittent, twitching, bursting, aching. Often provoked by temperature, chemical and mechanical influences. It is diagnosed according to the data of a dental examination and additional studies. Treatment includes local measures, drug therapy. Operations are sometimes shown.