Use with caution alongside other central nervous system depressants. Valerian also has shown to have the opposite effect on some people.
Specific contra-indications for Mugwort include: Asteraceae Allergy, Celery, mugwort spice syndrome, pregnancy and lactation, gastric and duodenal ulcers, hyperacidity and epilepsy.
Theoretical concern with Lime Flower and iron absortion. Take tincture away from iron supplementation.