This should not be alarming as it is sometimes a natural tissue response to an adjustment. In this author's experience, if this occurs it is usually within the first few hours post-treatment and does not last longer than 24 hours. An ice pack often reduces the symptoms more quickly. Critics of cervical manipulation emphasize the possibility of serious injury, especially to the brain stem. However, documented reports of the incidence of this is very rare and in experienced hands, cervical manipulation usually renders beneficial results with few adverse side effects.
Reactions following a chiropractic adjustment vary greatly from person to person.
These may vary from a great sense of exhilaration and well being to the reactions previously described. Discussion concerning reactions to spinal manipulation is encouraged between the patient and the treating chiropractor. Obtaining consent for treatment is recommended in writing once questions are addressed.