 [ Symptoms ] can medical marijuana relieve the pain from sinus headaches [ Disease ] no medical marijuana is not a pain medication nor has it been proven to be effective in the management of sinus headaches it would be better to see an ent to determine a more appropriate treatment is the sky blue yes marijuana can help with headaches it can relieve the symptoms but may not fix the problem contrary to what rod has to say of course it can act as temporary pain relief they do not call it good good for nothing it could act as temporary pain relief will not be temporary if you smoke it constantly could also improve your daily moods