Dry cough is not a problem: how to cure it at home in 24 hours
Section 1: Understanding Dry Cough – The Enemy Within
A dry cough, also known as a non-productive cough, is a cough that doesn’t produce mucus or phlegm. It can be incredibly irritating, often characterized by a tickling sensation in the throat or chest, and can disrupt sleep, concentration, and overall well-being. Understanding the underlying causes is crucial to effectively combating it, particularly when aiming for rapid relief within 24 hours.
1.1. Distinguishing Dry Cough from Wet Cough: A Crucial First Step
The key difference between a dry cough and a wet cough lies in the presence of mucus. A wet cough, also called a productive cough, aims to expel phlegm from the airways, often associated with infections like bronchitis or pneumonia. Trying to suppress a wet cough is generally discouraged, as it hinders the body’s natural cleansing process. Conversely, a dry cough serves no such purpose; it’s often a sign of irritation or inflammation rather than an attempt to clear the airways. Recognizing this distinction is fundamental to choosing the appropriate treatment strategy. Using expectorants designed for wet coughs on a dry cough will be ineffective and potentially counterproductive.
1.2. Common Causes of Dry Cough: Identifying the Trigger
Several factors can trigger a dry cough. Identifying the specific cause is essential for targeted treatment. Common culprits include:
- Viral Infections (Common Cold, Flu): These are frequent offenders, especially in the early stages. The inflammation caused by the virus can irritate the airways, leading to a dry, hacking cough. Post-viral coughs can also persist even after other symptoms subside.
- Allergies (Hay Fever, Dust Mites): Allergens irritate the nasal passages and throat, triggering a cough reflex. This is often accompanied by other allergy symptoms like sneezing, runny nose, and itchy eyes. Specific allergens vary by season and geographical location.
- Environmental Irritants (Smoke, Pollution, Dust): Exposure to irritants like cigarette smoke, air pollution, dust, and chemical fumes can inflame the airways and cause a dry cough. This is particularly common in individuals with pre-existing respiratory conditions.
- Asthma: Asthma is a chronic respiratory disease characterized by inflammation and narrowing of the airways. This can lead to wheezing, shortness of breath, and a dry, persistent cough, particularly at night or after exercise.
- Acid Reflux (GERD): Stomach acid that flows back into the esophagus can irritate the throat and trigger a cough reflex, often occurring at night or after meals. This is known as laryngopharyngeal reflux (LPR) and is a common, often overlooked cause of chronic dry cough.
- Medications (ACE Inhibitors): Some medications, particularly ACE inhibitors used to treat high blood pressure, can cause a dry cough as a side effect. If you suspect your medication is the cause, consult your doctor.
- Postnasal Drip: Excess mucus dripping down the back of the throat can irritate the vocal cords and trigger a cough. This is often associated with allergies or sinus infections.
- Laryngitis: Inflammation of the larynx (voice box), often caused by viral infections or overuse of the voice, can lead to hoarseness and a dry cough.
- Whooping Cough (Pertussis): While less common due to vaccination, whooping cough is a highly contagious bacterial infection that causes severe coughing fits followed by a “whooping” sound when inhaling. It is essential to consult a doctor immediately if you suspect whooping cough.
- Foreign Body Aspiration: In children, a dry cough can be caused by accidentally inhaling a small object into the airway. This requires immediate medical attention.
- Chronic Obstructive Pulmonary Disease (COPD): Although COPD often presents with a productive cough, some individuals experience a dry cough, particularly in the early stages.
- Lung Cancer: In rare cases, a persistent dry cough can be a symptom of lung cancer. This is more likely in smokers or individuals with a family history of the disease.
1.3. Red Flags: When to Seek Professional Medical Advice
While many cases of dry cough can be managed at home, it’s crucial to recognize when medical attention is necessary. Consult a doctor if you experience any of the following:
- High Fever (above 38°C/100.4°F): Suggests a more serious infection.
- Difficulty Breathing or Shortness of Breath: Indicates potential airway obstruction or lung problems.
- Chest Pain: May signify pneumonia, pleurisy, or other respiratory issues.
- Coughing Up Blood: A serious symptom requiring immediate medical evaluation.
- Wheezing: Suggests airway narrowing, possibly due to asthma or bronchitis.
- Persistent Cough (lasting longer than 3 weeks): May indicate a chronic underlying condition.
- Sudden Onset of Severe Cough: Could be a sign of aspiration or a serious infection.
- Cough Accompanied by Significant Weight Loss or Fatigue: May indicate a more serious underlying medical condition.
- Whooping Sound After Coughing Fits (Especially in Children): Highly suggestive of whooping cough.
- If you have an underlying medical condition, such as asthma, COPD, or heart disease: Your cough may be exacerbating your existing condition.
Section 2: Home Remedies: Your Arsenal Against Dry Cough (24-Hour Focus)
The following remedies aim to provide rapid relief from dry cough symptoms within 24 hours. While individual results may vary, these strategies offer a good starting point for managing mild to moderate dry coughs. Remember that consistency is key.
2.1. Hydration is Paramount: The Elixir of Life
Staying adequately hydrated is crucial for soothing a dry cough. Water helps to thin mucus (even if you don’t have a wet cough, there’s still some moisture in your airways), lubricate the throat, and reduce irritation.
- Water: Drink plenty of water throughout the day. Aim for at least 8 glasses (2 liters) per day.
- Herbal Teas: Warm herbal teas, such as chamomile, ginger, or licorice root, can be incredibly soothing. Add honey for extra benefits.
- Broth: Chicken or vegetable broth provides hydration and electrolytes. The warmth can also help to loosen congestion.
- Avoid Dehydrating Beverages: Limit caffeine and alcohol, as they can dehydrate you and worsen your cough.
2.2. Honey: Nature’s Cough Suppressant
Honey is a natural cough suppressant with antimicrobial and anti-inflammatory properties. It’s particularly effective for children over the age of one and adults.
- Direct Consumption: Take 1-2 tablespoons of honey directly.
- Honey in Tea: Add honey to warm herbal tea or lemon water.
- Honey and Lemon: Combine honey with lemon juice for a powerful cough remedy. Lemon helps to thin mucus and provides Vitamin C.
- Important Note: Do not give honey to infants under one year old due to the risk of botulism.
2.3. Steam Inhalation: Opening the Airways
Steam inhalation helps to moisten the airways and loosen congestion, providing relief from a dry, irritated throat.
- Hot Shower: Take a hot shower and breathe in the steam for 10-15 minutes.
- Steam Bowl: Fill a bowl with hot water (not boiling). Drape a towel over your head and lean over the bowl, inhaling the steam deeply for 10-15 minutes. Add a few drops of eucalyptus or peppermint oil for extra decongestant benefits. Be cautious to avoid burns.
- Humidifier: Use a humidifier to add moisture to the air, particularly in dry environments or during winter months. Clean the humidifier regularly to prevent mold growth.
2.4. Throat Lozenges: Soothing Irritation
Throat lozenges can help to soothe a dry, irritated throat and suppress the cough reflex.
- Menthol Lozenges: Menthol provides a cooling sensation and can help to numb the throat.
- Honey and Lemon Lozenges: Combine the benefits of honey and lemon in a convenient lozenge form.
- Herbal Lozenges: Look for lozenges containing herbs like slippery elm or marshmallow root, which can coat and soothe the throat.
2.5. Salt Water Gargle: Flushing Out Irritants
Gargling with warm salt water can help to reduce inflammation and irritation in the throat, providing temporary relief from a dry cough.
- Preparation: Dissolve 1/2 teaspoon of salt in 8 ounces of warm water.
- Gargling: Gargle the solution for 30 seconds, being careful not to swallow it. Repeat several times a day.
2.6. Elevate Your Head: Promoting Drainage
Elevating your head while sleeping can help to prevent postnasal drip from irritating your throat and triggering a cough.
- Use Extra Pillows: Prop yourself up with two or three pillows.
- Adjust Bed Frame: If possible, slightly elevate the head of your bed frame.
2.7. Identify and Avoid Triggers:
Actively identify and eliminate any potential triggers that might be contributing to your dry cough.
- Avoid Smoke: Stay away from cigarette smoke and other sources of smoke.
- Minimize Exposure to Allergens: If you have allergies, take steps to reduce your exposure to allergens like pollen, dust mites, and pet dander.
- Air Purifier: Consider using an air purifier to remove allergens and irritants from the air.
- Stay Indoors on High Pollution Days: Limit outdoor activities when air pollution levels are high.
- Avoid Strong Perfumes and Cleaning Products: These can irritate the airways.
2.8. Over-the-Counter (OTC) Medications (Use with Caution and Consult a Pharmacist):
While home remedies are often sufficient, OTC medications can provide additional relief. However, it’s essential to use them cautiously and consult a pharmacist before taking any medication, especially if you have underlying health conditions or are taking other medications.
- Cough Suppressants (Antitussives): These medications, such as dextromethorphan, work by suppressing the cough reflex. They are best used for dry, hacking coughs that are interfering with sleep. Do not use for productive coughs.
- Antihistamines: If your dry cough is caused by allergies, antihistamines can help to relieve symptoms like sneezing, runny nose, and itchy throat. Be aware that some antihistamines can cause drowsiness.
- Decongestants: If your dry cough is related to postnasal drip, decongestants can help to clear nasal passages and reduce mucus production. Use with caution if you have high blood pressure or heart problems.
2.9. The Power of Rest:
Adequate rest is crucial for allowing your body to heal and recover from any illness, including a dry cough. Aim for at least 7-8 hours of sleep per night.
2.10. Dietary Considerations:
While there isn’t a specific “dry cough diet,” certain foods and nutrients can help to support your immune system and soothe your throat.
- Vitamin C-Rich Foods: Citrus fruits, berries, and leafy green vegetables can help to boost your immune system.
- Zinc-Rich Foods: Meat, poultry, seafood, and nuts are good sources of zinc, which is important for immune function.
- Spicy Foods: While they may not be suitable for everyone, some people find that spicy foods can help to clear congestion and relieve a cough. Use caution if you have acid reflux.
- Avoid Irritating Foods: Avoid foods that can irritate your throat, such as acidic foods (citrus fruits, tomatoes), dairy products (for some people), and very hot or cold foods.
Section 3: Advanced Home Strategies: When Basic Remedies Fall Short
If basic home remedies don’t provide sufficient relief within 24 hours, consider these advanced strategies, but remember to consult a doctor if your symptoms worsen or persist.
3.1. Herbal Remedies (Consult with a Healthcare Professional Before Use):
Certain herbal remedies have been traditionally used to treat coughs, but it’s important to use them cautiously and consult with a healthcare professional before starting any new herbal treatment, especially if you are taking other medications.
- Licorice Root: Licorice root has anti-inflammatory and expectorant properties. It can help to soothe the throat and loosen mucus. However, it can also interact with certain medications and should be avoided by people with high blood pressure or heart problems.
- Marshmallow Root: Marshmallow root contains mucilage, a substance that coats and soothes the throat. It can be found in teas, lozenges, and syrups.
- Slippery Elm: Slippery elm bark also contains mucilage and can provide similar benefits to marshmallow root.
- Ginger: Ginger has anti-inflammatory and antioxidant properties. It can help to soothe the throat and reduce inflammation. It can be consumed as tea, lozenges, or added to food.
- Turmeric: Turmeric contains curcumin, a compound with potent anti-inflammatory properties. It can be added to food or taken as a supplement.
- Thyme: Thyme has antiseptic and expectorant properties. It can help to loosen mucus and fight infection. It can be used as a tea or added to food.
3.2. Nasal Irrigation (Neti Pot or Saline Spray):
If your dry cough is related to postnasal drip, nasal irrigation can help to clear nasal passages and reduce mucus production.
- Neti can: A neti pot is a small pot used to rinse the nasal passages with saline solution. Follow the instructions carefully to avoid infection.
- Saline Spray: Saline spray can also be used to moisten and clear nasal passages.
3.3. Addressing Underlying Conditions:
If your dry cough is caused by an underlying condition, such as asthma or acid reflux, it’s important to address that condition directly.
- Asthma Management: Follow your doctor’s recommendations for managing your asthma, including using your inhaler as prescribed.
- Acid Reflux Management: Make lifestyle changes to reduce acid reflux, such as avoiding trigger foods, eating smaller meals, and not lying down immediately after eating. Your doctor may also recommend medications to reduce stomach acid.
3.4. Vocal Rest:
If your dry cough is caused by laryngitis or overuse of the voice, vocal rest is essential. Avoid talking, singing, or shouting as much as possible to allow your vocal cords to heal.
3.5. Consider a Change in Environment:
If your dry cough is triggered by environmental factors, such as dry air or pollution, consider spending time in a more humid or less polluted environment.
Section 4: Preventing Dry Cough: A Proactive Approach
Prevention is always better than cure. Adopting these preventative measures can significantly reduce your risk of developing a dry cough.
4.1. Good Hygiene Practices:
- Frequent Hand Washing: Wash your hands frequently with soap and water, especially after touching public surfaces or being around sick people.
- Avoid Touching Your Face: Avoid touching your eyes, nose, and mouth, as this can spread germs.
- Cover Your Mouth and Nose When Coughing or Sneezing: Use a tissue or your elbow to cover your mouth and nose when coughing or sneezing.
- Stay Home When Sick: If you are feeling sick, stay home from work or school to prevent spreading your illness to others.
4.2. Boosting Your Immune System:
- Healthy Diet: Eat a balanced diet rich in fruits, vegetables, and whole grains.
- Regular Exercise: Engage in regular physical activity to boost your immune system.
- Adequate Sleep: Get enough sleep to allow your body to rest and recover.
- Stress Management: Manage stress through relaxation techniques like yoga, meditation, or deep breathing exercises.
- Consider Vitamin and Mineral Supplements: Talk to your doctor about whether you should take any vitamin or mineral supplements, such as Vitamin C or Vitamin D.
4.3. Managing Allergies:
- Identify Your Allergens: Get tested for allergies to identify your triggers.
- Avoid Allergens: Take steps to reduce your exposure to allergens.
- Use Air Purifiers: Use air purifiers to remove allergens from the air.
- Take Allergy Medications: Take allergy medications as prescribed by your doctor.
4.4. Avoiding Irritants:
- Avoid Smoke: Stay away from cigarette smoke and other sources of smoke.
- Minimize Exposure to Pollution: Limit outdoor activities when air pollution levels are high.
- Avoid Strong Perfumes and Cleaning Products: Use fragrance-free cleaning products and avoid strong perfumes.
4.5. Maintaining a Healthy Home Environment:
- Use a Humidifier: Use a humidifier to add moisture to the air, especially during dry months.
- Clean Regularly: Dust and vacuum regularly to remove allergens and irritants.
- Ensure Proper Ventilation: Ensure that your home is properly ventilated to prevent the build-up of mold and mildew.
4.6. Vaccination:
- Get Vaccinated Against the Flu: Get vaccinated against the flu every year.
- Get Vaccinated Against Pneumonia: Talk to your doctor about whether you should get vaccinated against pneumonia.
- Ensure You Are Up-to-Date on Other Vaccinations: Ensure that you are up-to-date on all of your recommended vaccinations, including pertussis (whooping cough).
Section 5: The Psychological Impact of Dry Cough and Strategies for Coping
Chronic dry cough can have a significant impact on your mental and emotional well-being. The constant irritation and disruption can lead to frustration, anxiety, and even depression. It’s important to acknowledge these psychological effects and develop strategies for coping.
5.1. Understanding the Emotional Toll:
- Frustration and Irritability: The persistent urge to cough can be incredibly frustrating and make you feel irritable.
- Anxiety and Worry: You may worry about the cause of your cough, especially if it’s chronic or accompanied by other symptoms.
- Social Isolation: You may avoid social situations because you are embarrassed about coughing in public.
- Sleep Deprivation: Coughing at night can disrupt your sleep, leading to fatigue, irritability, and difficulty concentrating.
- Depression: Chronic cough can contribute to feelings of sadness, hopelessness, and loss of interest in activities you once enjoyed.
5.2. Coping Strategies:
- Acknowledge Your Feelings: Don’t dismiss your feelings of frustration, anxiety, or sadness. Acknowledge that it’s normal to feel these emotions when dealing with a chronic cough.
- Practice Relaxation Techniques: Engage in relaxation techniques like deep breathing, meditation, or yoga to help manage stress and anxiety.
- Stay Active: Regular physical activity can help to improve your mood and reduce stress.
- Maintain Social Connections: Make an effort to stay connected with friends and family, even if you don’t feel like socializing.
- Seek Support: Talk to your doctor, a therapist, or a support group about your feelings.
- Focus on What You Can Control: Focus on taking steps to manage your cough and improve your overall health.
- Be Patient: Chronic cough can take time to resolve. Be patient with yourself and don’t get discouraged if you don’t see results immediately.
- Educate Others: If you are comfortable doing so, explain your condition to friends, family, and colleagues so they can understand and support you.
- Join a Support Group: Connecting with others who have similar experiences can provide valuable support and understanding.
Section 6: Special Considerations: Dry Cough in Children, Pregnant Women, and the Elderly
Dry cough requires slightly different approaches in certain populations, considering their unique physiological needs and potential sensitivities.
6.1. Dry Cough in Children:
- Honey (Over 1 Year Old): Honey is a safe and effective cough suppressant for children over one year old.
- Humidifier: Use a cool-mist humidifier to add moisture to the air.
- Saline Nasal Drops: Use saline nasal drops to loosen congestion.
- Avoid Over-the-Counter Cough Medications (Under 6 Years Old): The American Academy of Pediatrics recommends against using OTC cough medications for children under 6 years old due to potential side effects.
- Consult a Doctor: Consult a doctor if your child’s cough is accompanied by fever, difficulty breathing, or other concerning symptoms. Be especially vigilant for signs of croup (barking cough) or whooping cough.
- Keep Hydrated: Offer frequent small sips of fluids.
- Elevate Head of Bed: Gently elevate the head of their bed with a towel or small wedge.
- Avoid Irritants: Ensure the child’s environment is free from smoke, strong perfumes, and other irritants.
6.2. Dry Cough in Pregnant Women:
- Consult a Doctor: Always consult your doctor before taking any medication or herbal remedy during pregnancy.
- Home Remedies: Focus on safe home remedies like honey, steam inhalation, and salt water gargle.
- Hydration: Stay well-hydrated.
- Rest: Get plenty of rest.
- Avoid Irritants: Avoid smoke, pollution, and other irritants.
- Limited Medication Options: Many common cough medications are not recommended during pregnancy. Your doctor can advise on the safest options.
6.3. Dry Cough in the Elderly:
- Consult a Doctor: Elderly individuals are more likely to have underlying health conditions that can contribute to a dry cough. Consult a doctor for proper diagnosis and treatment.
- Medication Interactions: Be aware of potential medication interactions. Consult a pharmacist before taking any new medication or herbal remedy.
- Hydration: Ensure adequate hydration, but be mindful of fluid restrictions if you have heart or kidney problems.
- Risk of Pneumonia: Elderly individuals are at higher risk of developing pneumonia. Seek medical attention if you experience fever, chest pain, or difficulty breathing.
- Monitor for Side Effects: Elderly individuals are more susceptible to side effects from medications. Monitor for any adverse reactions and report them to your doctor.
- Consider Underlying Conditions: Carefully consider underlying conditions like GERD or heart failure as potential contributors to the cough.
Section 7: Myths and Misconceptions About Dry Cough
Several myths and misconceptions surround dry cough. Debunking these can help you make informed decisions about your treatment.
7.1. Myth: A Dry Cough is Not Serious.
- Reality: While many dry coughs are mild and self-limiting, a persistent dry cough can be a symptom of a more serious underlying condition. It can also significantly impact quality of life.
7.2. Myth: Cough Syrup is Always the Answer.
- Reality: Cough syrup is not always necessary or effective. In many cases, home remedies are sufficient to relieve symptoms. Overuse of cough syrup can also lead to side effects.
7.3. Myth: All Coughs are Contagious.
- Reality: Only coughs caused by infections, such as colds or the flu, are contagious. Dry coughs caused by allergies, asthma, or environmental irritants are not contagious.
7.4. Myth: You Should Always Suppress a Cough.
- Reality: Whether you should suppress a cough depends on the type of cough. Suppressing a dry, hacking cough can provide relief, but suppressing a productive cough is generally not recommended, as it hinders the body’s natural cleansing process.
7.5. Myth: Dairy Products Always Worsen a Cough.
- Reality: While some people find that dairy products can increase mucus production, this is not true for everyone. Dairy products do not necessarily worsen a cough for everyone.
7.6. Myth: Antibiotics Will Cure a Dry Cough.
- Reality: Antibiotics are only effective against bacterial infections. They will not work for dry coughs caused by viral infections, allergies, or environmental irritants. Overuse of antibiotics can contribute to antibiotic resistance.
Section 8: Future Research and Emerging Therapies for Cough
Research into cough mechanisms and treatments is ongoing. Emerging therapies show promise for managing chronic cough.
8.1. Targeting Cough Receptors:
- P2X3 Receptor Antagonists: These drugs target receptors involved in the cough reflex pathway. Several are in clinical trials and have shown potential in reducing cough frequency in chronic cough patients.
- TRPV1 Antagonists: TRPV1 receptors are involved in sensing irritants and triggering cough. Antagonists are being investigated for their potential to reduce cough sensitivity.
8.2. Personalized Medicine for Cough:
- Biomarker Identification: Researchers are working to identify biomarkers that can predict which patients will respond to specific cough treatments.
- Phenotyping Cough: Identifying distinct cough phenotypes (e.g., inflammatory cough, neuropathic cough) can help tailor treatment strategies.
8.3. Non-Pharmacological Approaches:
- Speech Therapy: Specific speech therapy techniques can help to reduce cough frequency and severity.
- Mindfulness-Based Interventions: Mindfulness and meditation can help to manage the psychological impact of chronic cough.
8.4. Advanced Diagnostic Tools:
- Cough Monitors: Wearable cough monitors can provide objective data on cough frequency and severity, which can be helpful for monitoring treatment response.
- Bronchoscopy with Advanced Imaging: Techniques like endobronchial ultrasound (EBUS) can help to identify underlying causes of cough that may not be visible on standard imaging.
Section 9: Frequently Asked Questions (FAQs) About Dry Cough
Q1: How long does a dry cough typically last?
A: A dry cough can last from a few days to several weeks, depending on the underlying cause. If your cough lasts longer than 3 weeks, consult a doctor.
Q2: Is a dry cough contagious?
A: Only dry coughs caused by infections are contagious. Dry coughs caused by allergies, asthma, or environmental irritants are not contagious.
Q3: Can stress cause a dry cough?
A: While stress doesn’t directly cause a dry cough, it can exacerbate underlying conditions like asthma or acid reflux, which can trigger a cough.
Q4: What’s the best way to relieve a dry cough at night?
A: Elevate your head with extra pillows, use a humidifier, and take honey before bed. Avoid eating large meals or lying down immediately before sleeping.
Q5: When should I see a doctor for a dry cough?
A: See a doctor if you experience high fever, difficulty breathing, chest pain, coughing up blood, persistent cough (lasting longer than 3 weeks), or if you have an underlying medical condition.
Q6: Are there any side effects to using cough suppressants?
A: Yes, cough suppressants can cause side effects like drowsiness, dizziness, and constipation. Consult a pharmacist before using cough suppressants, especially if you are taking other medications.
Q7: Can I use essential oils to treat a dry cough?
A: Essential oils like eucalyptus and peppermint can be used in steam inhalation to help relieve congestion. However, use them cautiously and avoid direct application to the skin. Some individuals may be sensitive to essential oils. Do not ingest essential oils.
Q8: What is postnasal drip, and how does it cause a dry cough?
A: Postnasal drip is when excess mucus drips down the back of your throat, irritating the vocal cords and triggering a cough.
Q9: Can acid reflux cause a dry cough?
A: Yes, stomach acid that flows back into the esophagus can irritate the throat and trigger a cough reflex.
Q10: Is there a link between smoking and dry cough?
A: Yes, smoking is a common cause of dry cough. Quitting smoking is the best way to relieve the cough and improve your overall health.
Section 10: Resources for Further Information on Dry Cough
Numerous reputable organizations provide information on cough and respiratory health. Consider these resources for additional guidance:
- American Lung Association (www.lung.org): Offers comprehensive information on lung diseases and respiratory health.
- Mayo Clinic (www.mayoclinic.org): Provides reliable information on various medical conditions, including cough.
- National Institutes of Health (www.nih.gov): Conducts and supports medical research, including research on cough.
- Centers for Disease Control and Prevention (www.cdc.gov): Offers information on infectious diseases and public health recommendations.
- World Health Organization (www.who.int): Provides global health information and guidelines.
- Your Primary Care Physician: Your doctor is your best resource for personalized medical advice.
By understanding the causes of dry cough, employing effective home remedies, and seeking medical advice when necessary, you can effectively manage this bothersome symptom and improve your overall well-being. The proactive approach of prevention further empowers you to minimize the occurrence of dry cough and maintain optimal respiratory health.