Ayurvedic Medicine For Abdominal Pain, Asthma & Fever: Dabur Vasavaleha. Dabur'S Vasavaleha Is One Of The Top Ayurvedic Medicines For Abdominal Pain, Asthma & Fever Which Is A Concoction Of Essential Medicinal Plants That Have Bronchodilatory And Antimicrobial Properties As Recommended By Ayurveda In India.