It is the best tonic for all types of respiratory problems. even the children could take it. Its use treats cold, serious cough, asthma, cough, problem in ribs and other such diseases. Dosage and Usage â€“ 5 to 10 ml in a day, according to the need. Draveshu chirakalasyam dravyam yatsandhitam bhavet, Asvarishta Bhedaistu prochyate bheshajochitam. The preparation of asav, arishta and liquid decoction in Divya Pharmacy and Patanjali Ayurveda is done under the strict vigilance of experienced vaidhyas attentively, with complete adherence of Ayurvedic Science. The purity, quantity and quality of the herbs utilized are the top most priority. Hence, the asavas / aristas of Divya Pharmacy and Patanjali Ayurveda are qualitative and effective.