i hаνе bееn taking Doxycycline fοr 5 days now fοr mу acne, аnd now іt feels lіkе thеrе іѕ something іn thе back οf mу throat сουld іt bе thе Doxycycline οr іѕ іt a coincidence? іf ѕο іѕ іt dаngеrουѕ іf i keep taking іt?