Symptoms: Cough, mild sore throat, hoarse voice, slight nasal drain & headache, no fever, vomited 1x. Meds: Cough Rx&drops, tea, salt H2O. Advice?

Few possibilities. By your description, this could be allergies, viral throat infection or bacterial sinus infection, at least. Your best bet would be to seek a consultation with one of us here on HealthTap to go over your plight more specifically. We may be able to offer you some advice, or even a useful treatment.