Had laryngo bronchitis in feb and relapse in march' now it is april and have a terrible sorevthroat again?

Recurrent infections: When you start getting one infection right after another it is important to see an allergist-immunologist. Allergies can cause recurrent sinus infections and this is a common reason for what you have experienced. It could be you have developed an immune deficiency. Or third, you might just be having a bad year, due to exposures to grandkids or school kids or just whatever viruses have come thru.