Your concern regarding your father's health is justified due to the Chronic nature of the complainant. However it is not possible to prescribe on such meagre information. My most important questions to you would be: 1. Is he a smoker? 2. Has he lost any weight 3. Does he have fever.    You may try Biochemic Combination No 6, 4 pills thrice for a few days. But a proper prescription is not possible without a consultation online or in person.    I would also like to inform you that it may not be prudent to delay treatment. So it is best you consult a Homeopathic Physician or get in touch with us.

Mention whether dry or productive cough. It is advisable to begin with Homoeopathic medicine:-- Pulsatilla 30. Calc. Phos 30. 4 pills each medicine x 3 times daily x 30 days. Chew pills on time. Take medicine as per advice.

Approach a homeopathic physician Instead of asking for medicine

Hi I can understand your concern regarding your dad's health. Treatment for your dad's health issues is possible by homeopathy but there is no such specific medicine that can be prescribed on the description you have given. Cough could be because of 1. Allergy (environmental and industrial pollutants, pollen, etc.)2. Tobacco 3. Infections (viral, bacterial, fungus) 4.Immunological 5.Exposure to temperature changes (extreme cold, change from cold to heat and vise versa, etc.) And many more . Homeopathy can help him in following manner 1.Relieving nasty cough 2.Controlling and treating the underlying tendency to catch cold and cough 3.Improving immunity and general vitality 4.Reducing the severity, frequency and duration in case of Recurrent 5.Helping allergic as well as infective cases. For further treatment either contact me via practo or consult a homeopathic physician near your place Thanks Regards Dr. Nandini Deshmukh