 [ Symptoms ] what is a primary brain tumor [ Disease ] hi the penicillin could have upset your vaginal natural balance it will do that because of this you may now have bv bacterial vaginosis its just one of these things some women can get can be just the once or can keep re occurring so its either of to your doctor for a test and meds or an stdgum clinic they will do the same thing your ok its not an std but the clinic will help you or you can google bv and sea salt bv and boric acid bv and garlic these are just some ways you can find natural help now it could be this that is chucking the rest of your body out of sync and giving you the tiredness as for your miscarriage perhaps a d&c would have helped but you could still have it done now try seeing a doctor or going to a baby clinic that has a doctor there do hope this helps good luck