Like all medicines, including herbal remedies, arnica montana can have side effects. However, you may not experience these yourself.
These side effects include those caused by an allergic reaction, e.g. itching, hives, swelling of the face, mouth, and throat.
For more information about the side effects in your own medication, please read the patient information leaflet which comes with your remedy carefully.
If you’re ever unsure whether a product is right for you, speak to your doctor or pharmacist before use.