Treatment of a dry cough depends on the cause. People with a chronic dry cough should stop smoking, and those taking ACE inhibitors may need to switch to another medication. Antihistamines can treat allergic causes, while bronchodilators address asthma and acid blockers can treat GERD. In the event of a bacterial infection, a person may need antibiotics. Over-the-counter cough medicines can help treat the cough itself, but they will not address the underlying cause.

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