A frequent sore throat that improves with Erythromycin may suggest repeated throat infections, but it can also be due to non-infectious causes like smoking, allergies, acid reflux, or irritation from dry air, and taking antibiotics each time is not always necessary or ideal. Occasional smoking itself can irritate the throat and increase the risk of repeated symptoms, so reducing and ideally stopping smoking is very important. To prevent recurrence, stay well hydrated, avoid very cold or spicy foods if they trigger symptoms, maintain good oral hygiene, use warm saltwater gargles, and manage reflux if present by eating smaller meals and avoiding late-night eating. If the problem keeps coming back, it is best to see a doctor for proper evaluation, which may include throat examination or tests to identify the exact cause and guide the right treatment rather than repeated antibiotic use.