Hi.. Thanks for the query.. As per your complain it looks like difficulty in swallowing and cough can be secondary to dry mouth as excessive dryness in mouth can cause a dry throat that can tickle and cause cough as well as swallowing problems.. Dry mouth on the other hand can be due to a number of causes like: -Severe dehydration. -Side effects of medications if you take any. -Salivary gland dysfunction. -Nerve damage supplying salivary glands. -Oral infections like thrush.. -Sjogren s Syndrome..etc.. It can also be a nerve related dysfunction.. You should therefore consult an Oral Physician and get evaluated.. As of now: -For dry mouth chew sugarfree chewing gums.. -Drink plenty of water. -Avoid regular mouthwash and use specialized mouthwash that are formulated for dry mouth patients like Biotene.. -You can also instil artificial saliva drops.. -Suck tart candies as it also stimulates saliva flow.. Hope this information helps.. Thanks and regards. Dr.Honey Nandwani Arora.