Most coughs can be quieted with a combination of simple home strategies and, when needed, over-the-counter products. The right approach depends on what kind of cough you’re dealing with: a dry, tickling cough responds to different tactics than a wet, mucus-producing one. A cough lasting less than three weeks is considered acute and usually tied to a cold or irritant. One that lingers three to eight weeks is subacute, and anything beyond eight weeks is classified as chronic, which points to an underlying cause that needs attention.
Quick Relief for a Dry, Irritating Cough
A dry cough with no mucus is often triggered by a tickle in the throat or irritation in the upper airways. Honey is one of the most effective remedies available. A Cochrane review of randomized controlled trials found honey was better than no treatment, slightly better than diphenhydramine (an antihistamine), and roughly equal to dextromethorphan (the active ingredient in most cough suppressants) at reducing cough frequency. In one Italian study of 134 children with acute cough, 80% of those given honey with milk saw their cough drop by more than half, compared to 87% in the group taking OTC cough medicine, a difference that wasn’t statistically significant. A spoonful of honey before bed coats the throat and calms irritation. Honey should never be given to children under one year old due to the risk of botulism.
Staying hydrated also helps. Warm liquids like tea or broth soothe the throat and thin any mucus that may be contributing to irritation. Sucking on lozenges or hard candy can stimulate saliva production, which keeps the throat moist between drinks.
How to Stop Coughing at Night
Coughing tends to worsen at night because lying flat lets mucus pool at the back of the throat. The simplest fix is elevating your head. Adding an extra pillow or raising the head of your bed helps drainage move downward instead of collecting where it triggers your cough reflex. Don’t stack pillows so high that you strain your neck. If your cough is dry, sleeping on your side rather than your back can reduce irritation further.
Running a cool-mist humidifier in the bedroom adds moisture to the air, which can ease coughing and congestion. Cool-mist models are the safer choice, especially around children, since warm-mist humidifiers and steam vaporizers carry burn risks. By the time humidified air reaches your lower airways, the temperature is the same regardless of the type of humidifier you use.
Clearing Mucus With a Productive Cough
When your cough brings up mucus, the goal isn’t to suppress it completely. That mucus is trapping and moving irritants out of your airways. Instead, focus on making it easier to clear. Drink plenty of fluids to keep mucus thin. A saline nasal rinse (using a neti pot or squeeze bottle with sterile saline) can flush excess mucus and infectious material from the sinuses, reducing the postnasal drip that triggers coughing. Saline also increases the speed of the tiny hair-like structures in your nasal passages that sweep mucus along, helping your body clear congestion more efficiently.
A steamy shower can serve a similar purpose. Breathing in warm, moist air loosens thick mucus in the chest and sinuses, making it easier to cough up and clear out.
Over-the-Counter Cough Medications
OTC cough products generally fall into two categories. Cough suppressants contain dextromethorphan, which works on the cough center in the brainstem to dial down the urge to cough. Expectorants contain guaifenesin, which thins mucus so it’s easier to bring up. Many combination syrups contain both, typically dosed at 10 mL every four hours for adults, with a maximum of 60 mL per day.
Choose based on your cough type. A dry, nonproductive cough that keeps you awake is a reasonable candidate for a suppressant. A wet cough that’s producing mucus is better served by an expectorant or simply by staying hydrated. For children, the CDC has stated that these medications have no proven benefit and should be avoided because of the risk of side effects. Honey is a safer and equally effective alternative for kids over one year old.
Three Common Causes of a Cough That Won’t Quit
If your cough has stuck around for weeks, it’s likely being driven by one of three conditions: postnasal drip, acid reflux, or asthma. These account for the vast majority of chronic coughs, and addressing the root cause is the only way to get lasting relief.
Postnasal Drip
Allergies, sinus infections, and even dry air can cause your nose and sinuses to overproduce mucus. That mucus drips down the back of the throat, irritating nerve endings and triggering a persistent cough. Saline nasal rinses help flush the source. Over-the-counter antihistamines or decongestant nasal sprays can reduce the drip itself. If you notice the cough worsens during allergy season or in dusty environments, postnasal drip is a likely culprit.
Acid Reflux
Stomach acid creeping up into the esophagus, and sometimes into the throat, can trigger a chronic cough even when you don’t feel classic heartburn. Lifestyle changes make a real difference: elevate the head of your bed by about 15 cm (roughly 6 inches), avoid eating close to bedtime, stop smoking, and limit foods that relax the valve at the top of your stomach (coffee, alcohol, chocolate, fatty foods). Antacid products that form a physical barrier over stomach contents can also help. Prescription acid-reducing medication taken before meals for at least eight weeks is the standard medical approach when lifestyle changes aren’t enough.
Asthma
Some people with asthma cough as their primary symptom, without the obvious wheezing or shortness of breath most people associate with the condition. This is called cough-variant asthma. If your cough worsens with exercise, cold air, or at night, it’s worth discussing with a healthcare provider. Inhaled treatments that open the airways or reduce inflammation typically resolve this type of cough.
Medications That Cause Coughing
A class of blood pressure medications called ACE inhibitors causes a persistent dry cough in roughly 2% to 11% of people who take them. The cough often presents as a tickling sensation in the throat that doesn’t respond to typical cough remedies. If you started a blood pressure medication in the weeks or months before your cough began, this connection is worth raising with your prescriber. The cough typically goes away quickly after switching to a different medication.
Environmental Changes That Help
Your cough reflex fires when nerve endings in your throat and airways detect irritants. Reducing those irritants can make a noticeable difference. Keep indoor humidity between 30% and 50%, since both very dry air and overly humid air can aggravate coughing. Avoid cigarette smoke, strong fragrances, cleaning chemicals, and dusty environments. If outdoor air quality is poor, keep windows closed and use air filtration if available.
Cold, dry air is a common cough trigger, especially in winter. Wrapping a scarf loosely over your nose and mouth when heading outside warms and humidifies the air before it reaches your airways.
Signs a Cough Needs Medical Attention
Most acute coughs from colds resolve on their own within one to two weeks. But certain symptoms alongside a cough signal something more serious. Coughing up blood, significant difficulty breathing, chest pain, high fever with productive cough and fatigue, or an altered level of consciousness all require prompt evaluation. A cough lasting more than three weeks without improvement should be assessed by a provider, particularly if you’re also experiencing unexplained weight loss or night sweats. People with existing conditions like COPD, asthma, or heart failure should be evaluated sooner, since a new or worsening cough may indicate a flare of their underlying disease.