That cough sounds like quite the nuisance, eh? Lengthy coughs like yours often point towards a Kapha-Vata imbalance. In Ayurveda, coughs fall under these doshas because Vata governs movement (causing dryness and irritation) and Kapha creates excess mucus. To tackle this, focusing on balancing these doshas might be the key for you.
First off, Tulsi (holy basil) and Mulethi (licorice root) are both excellent choices. Tulsi is great for its expectorant and immune-boosting properties. You can brew Tulsi tea - 3 to 4 leaves in a cup of hot water, let it steep for 5-6 minutes, and sip on it 2-3 times daily. Mulethi, on the other hand, soothes the throat and reduces inflammation. You can prepare Mulethi tea by boiling a small piece of the root in water for about 10 minutes. Drink this once or twice a day.
Next, diet matters a LOT. You might want to cut down on spicy foods and cold drinks since they tend to irritate the throat more. Stick to warm, cooked foods that are easier on your throat—like soups and porridges. Staying hydrated is key, but room temperature water instead of cold can help reduce throat irritation and dry cough.
To improve lung strength and immunity, Pranayama (breathing exercises) is beneficial. Regular practice of Anulom Vilom (alternate nostril breathing) could help increase lung capacity and clear the respiratory passages. Try doing this in a well-ventilated space for about 10-15 mins daily.
For long-term relief and lung health, considering Panchakarma might be a good idea, but best done under supervision of an Ayurvedic practitioner. It detoxifies and may help restore dosha balance.
Lifestyle tweaks, like keeping dust and allergens at bay, also help in the long run. You may also want to incorporate turmeric milk at night (with a pinch of black pepper), since Turmeric has properties that support the respiratory system. Hopefully, these changes bring some much needed relief to your cough and you can get a peaceful sleep soon enough!