I just had 2 ricola cough drops they have 2.0 mg Menthol in each drop.. I was wondering if I could switch to different cough drops right now, I'm sucking on the third ricola drop as I type. I don't like the flavor that much rofl, so I want to switch to like halls. Is that safe or will the ingredients mix up and make me sick? I do have a sore throat, that's why I'm taking cough drops.