Hello I am. Woman 31 years old .on March 18 I had a pink macular rash between only on my chest few spots between my neck and chest. This was for 3 days and then gone. The last night I had a mild fever and only this symptoms. My doctors told me about viral rash.then I had not other symptoms. But one year after, after my medication with isotretinoin for acne I had optic disc edema with mild visual loss and a lesson in mri. I am afraid of syphilis.can any help me with my syntoms?