Can stress cause migraines?

Stress migraine. Many illness exacerbations are due to or least somewhat influenced by stress. Stress in the form of worsened sleep, anxious worry, muscle tension, chronic dread, and vigilance could increase frequency and even severity of migraine. Biofeedback which coordinates relaxation, diaphragmatic breathing, and imagery is a successful treatment - for migraine and other illnesses felt to stress-related.
Stress and migraines. There is a complex relationship between psychological and physical aspects of our mind and body. There is no definitive answer here, but stress can certainly intensify pain during migraine episodes. Some people have a pathway where emotional distress leads to a physiological response like migraines. It is always a good idea to reduce stress in ones life to support overall well-being.