Side Effects of Calendula Oil
If you are not pregnant, nursing, allergic, or about to undergo surgery, you can use calendula oil with likely no side effect. It is best, however, to consult your healthcare provider, especially for therapeutic use.
Remember, though, that sedative medications or CNS depressants interact with calendula. The plant extract might cause sleepiness and drowsiness, and taking it with sedative drugs might result in excess sleepiness. Some sedative drugs include clonazepam, (Klonopin), phenobarbital (Donnatal), and zolpidem (Ambien). I advise you to also explore safe, natural ways to get a good night's sleep.