Table 3h.

Risk factors that are absolute contraindications to cervical low-level laser therapy

Risk factor (occurs or has its effect in the neck unless otherwise noted)	Adapted from reference #
Cardiovascular disease, hypertension, coagulopathy, ulcer, recent severe hemorrhage, renal insufficiency, severe hepatic disease, neoplasia, epilepsy, cutaneous pathology, pain of “central” origin, pregnancy	21