People who wish to cure a persistent cough and runny nose caused by allergies can take antihistamines, according to WebMD. Other ways to treat postnasal drip include taking mucus thinning medications, undertaking nasal i... More » Health Conditions & Diseases Cold & Flu

The best way to alleviate a persistent cough is to stay hydrated according to WebMD. Upper respiratory infections such as cold or flu cause a post nasal drip where mucous trickles down the back of the throat and can caus... More » Health Conditions & Diseases

Nasal decongestants and antihistamines stop nasal stuffiness fast, as do a variety of natural methods to irrigate the nose and keep the nasal passageways lubricated and open, according to WebMD. Keeping the nasal passage... More »

Viral illnesses, asthma, allergies, bronchospasm and exposure to respiratory irritants are among the main causes of dry cough, according to WebMD. Dry cough is defined as a cough that does not bring up any mucus. Someone... More »

To treat a persistent cough, a doctor may recommend antihistamines, decongestants, antibiotics or cough suppressants, according to Mayo Clinic. Inhaled asthma drugs or acid blockers may also be useful. The appropriate tr... More » Health Conditions & Diseases Cold & Flu

Home remedies for a chronic cough include quitting smoking and avoiding substances that trigger nasal allergies, states Mayo Clinic. Eating smaller portions several times a day may aid in counteracting a chronic cough th... More » Health Conditions & Diseases Cold & Flu

The causes of post-nasal drip include fumes from chemicals, colds, pregnancy, flu, certain foods, deviated septum, certain medications, an object in the nose, allergies, cold temperatures and changing weather fronts. Pos... More » Health Conditions & Diseases Cold & Flu