Post-nasal drip cough remedy: what can help?

Mucus from the nose or sinuses can slide down the back of the throat instead of leaving through the nostrils. This can irritate the throat and activate the cough reflex, often more noticeably when lying down. A blocked nose, throat clearing, hoarseness, or a tickling feeling may occur with it.

Common triggers include a cold, allergic rhinitis, sinus inflammation, or acid reflux. A cough can also have another cause, such as asthma, bronchitis, or a longer-lasting cough condition, so the pattern matters.

Drink fluids regularly and try warm drinks to ease throat dryness. Saline nasal spray or a saline rinse can help clear thick mucus; use sterile, distilled, or previously boiled and cooled water for a rinse, following the product instructions. Keeping the air comfortably humid and avoiding smoke can reduce irritation.

If allergies are suspected, reducing exposure to the trigger and discussing an appropriate nasal treatment with a pharmacist or clinician may help. Do not start antibiotics for mucus or cough without an assessment. A clinician can distinguish post-nasal drip from conditions such as Allergic Rhinitis, Acute Bronchitis, or Acid Reflux.

Seek urgent help for severe breathing difficulty, blue or grey lips, chest pain, confusion, or coughing up blood. Arrange medical advice promptly if the cough is severe, keeps worsening, disrupts sleep repeatedly, or comes with wheezing, fever, dehydration, or marked weakness.

Book a routine review when the cough does not settle, keeps returning, or lasts long enough to affect daily activities. Assessment may include listening to your chest, examining your nose and throat, and reviewing medicines, allergies, reflux symptoms, and smoke exposure.

Ask what is most likely irritating your throat, whether your nasal symptoms fit allergy or sinus inflammation, and which saline or nasal treatment is suitable for you. Also ask when a cough needs testing for Asthma, Chronic Cough, or another chest condition.