Home Remedies for Cough

Standardized herbal preparations containing ivy, primrose or thyme, honey, and warm water are home remedies that may ease a cough, although the evidence for each varies.

Most coughs caused by a cold improve on their own, and these measures are meant to make you more comfortable, not treat every possible cause. For more ways to soothe your throat, see the best drinks for cough.

6 home remedies for cough

The ai symptom analyzer can help you organize symptoms to discuss with a healthcare professional; it cannot diagnose the cause of a cough. The first two remedies have clinical research behind them, while the others are mainly comfort measures and are not ranked by strength of proof.

1. Standardized ivy, primrose or thyme preparations

Some herbal preparations containing ivy, primrose or thyme may reduce cough symptoms during an upper respiratory infection. Their mechanisms are not fully established: some herbs may soothe the throat, but a review of herbal cough remedies notes that the active ingredients and effects of many products have not been carefully evaluated.

If you want to try a preparation, ask a pharmacist or healthcare professional to help you choose an appropriate product and follow its label. Do not assume that an untested tea, homemade extract or preparation made from ivy leaves will work like a product studied in a trial, or that it is safe to ingest.

Evidence: A systematic review and meta-analysis of 34 trials found evidence that a group of ivy-, primrose- and thyme-based preparations relieved cough symptoms better than placebo. The finding does not establish the effectiveness of every product or ingredient on its own. Check with a healthcare professional before using an herbal product if you take medication, are pregnant or breastfeeding, or are considering it for a child.

2. Honey

Honey can coat and soothe an irritated throat, which may make a cough feel less bothersome. It is a comfort measure rather than a cure for the infection or other condition causing the cough.

Adults and children older than 1 year can try 1 teaspoon (5 mL) of honey by mouth, including before bedtime if coughing is disruptive. Swallow it slowly; it can also be stirred into warm, rather than very hot, water. Honey contains sugar, so people managing blood glucose may need to account for it.

Evidence: A 2023 review of clinical trials on honey reported beneficial effects for cough in children, but it also noted that studies were limited and not standardized. The evidence does not mean honey will help every cough. Never give honey to a child under 1 year old because of the risk of infant botulism, even if it is mixed into a drink.

3. Warm water

Warm water may soothe a dry or irritated throat, and drinking enough fluid helps keep the mouth and throat from becoming dry. Staying hydrated can support comfort when you have a cold, though it does not remove the cause of a cough.

Sip water at a comfortably warm temperature throughout the day rather than forcing yourself to drink large amounts. Choose a temperature that feels soothing and avoid water hot enough to burn your mouth or throat. If you have been told to limit fluids because of a medical condition, follow your healthcare professional’s advice.

Evidence: Warm water is a reasonable comfort measure, but the studies cited here do not establish that it reduces cough frequency or shortens an illness. A temporary soothing sensation is different from evidence that a remedy changes the course of a cough.

4. Saline nasal spray or rinse

A cough can sometimes be associated with mucus draining from the nose into the throat. Saline may help clear or moisten the nasal passages, potentially reducing that source of throat irritation; it is less likely to address a cough with a different cause.

Use a commercially prepared saline nasal spray according to its label. If you prefer a nasal rinse, use distilled, sterile, or previously boiled and cooled water—not untreated tap water. Clean and dry the rinse device according to its instructions, and do not share it with another person.

Evidence: The studies cited here do not establish that saline rinses treat cough itself. This approach is mainly a way to manage accompanying nasal symptoms. Ask a healthcare professional for advice if rinsing is uncomfortable, your nose is completely blocked, or you have concerns about using a rinse for a child.

5. A clean, cool-mist humidifier

Dry indoor air may make an already irritated throat or nose feel less comfortable. A cool-mist humidifier adds moisture to the air and may make the room feel more comfortable, although it does not treat the underlying cause of a cough.

Use the humidifier according to the manufacturer’s instructions, and empty and clean it regularly. A poorly maintained device can spread contaminants, while excessive moisture can encourage mold. Do not use a bowl of hot water for steam inhalation: spills can cause serious burns, particularly in children.

Evidence: The studies cited here do not show that a humidifier reduces cough or speeds recovery. Consider it a comfort measure, not a necessary treatment. If the room starts to feel damp or you notice condensation or mold, stop using it and address the moisture problem.

6. Avoid smoke and other irritants

Smoke, strong fragrances and other airborne irritants can aggravate the throat or airways and may trigger more coughing in some people. Reducing exposure can make the environment more comfortable, especially when you already have a respiratory infection or sensitive airways.

Keep indoor spaces smoke-free and move away from fumes or scents that noticeably make your cough worse. If outdoor air or cold air seems irritating, limiting exposure or loosely covering your nose and mouth with a scarf may help. Avoid adding scented oils to a humidifier if their fragrance bothers you.

Evidence: Avoiding an identifiable trigger is a practical step, but the studies cited here do not establish how much it reduces cough. If exposure repeatedly causes coughing, wheezing or shortness of breath, discuss the pattern with a healthcare professional rather than relying on avoidance alone.

When should you see a doctor for a cough?

Seek emergency care for severe trouble breathing, blue or gray lips, confusion, or coughing up more than a few spots or streaks of blood. Seek prompt medical advice for any blood in mucus, chest pain, worsening breathing, or symptoms that are getting worse instead of improving.

Arrange a medical assessment if a cough lasts more than 3 weeks, keeps returning, or is accompanied by a persistent fever, unexplained weight loss or night sweats. Seek advice sooner if you have asthma, chronic lung or heart disease, a weakened immune system, or are pregnant and concerned about your symptoms. A cough can have causes other than a cold, and the right care depends on the cause.

Children may need earlier assessment, especially if they have breathing difficulty, are unusually sleepy, are drinking poorly or appear dehydrated. An infant younger than 3 months with a temperature of 38°C (100.4°F) or higher needs immediate medical assessment. Ask a child’s healthcare professional before using herbal cough products, and remember that honey is unsafe for infants under 1 year.

If you take prescription or over-the-counter medicines, check with a pharmacist or healthcare professional before adding an herbal preparation; products can interact with medicines or be unsuitable for some conditions. Continue prescribed medication unless your healthcare professional tells you otherwise.