This Might Sounds Really Silly But I Can Smell A

this might sounds really silly but I can smell a strange oder like almost menthol, its not all the time and sometimes not for days then sometimes a lot , I am a diabetic and take some medicine ,metformin , lisinopril, atorvastatin and different things for my allergies such as zyrtec and claritn I didn't know if med could be causing all that , it is very bothersom