If the person notices it is harsh and painful to swallow, it might be the primary symptom of the strep throat. Because of the itchy feeling, it becomes hard to swallow any liquid. Tonsils enlarge when the condition occurs, so that is the reason for the difficulty swallowing. This function of the organism just stops functioning properly. Hot soups may help to get rid of the problem. Avoid solid meals as they may annoy the throat.