My dad had a stroke last year which has made his dysphasia worse. He has excessive saliva , no sputum , accumulated in the mouth, then overflowed to his throat . When he tries to clear it in vain, he would make loud groaning sound. When an oral or orosophageal suction is done, he would struggle a lot inpain, and when it is done, he would be in pain, groaning for long. Sadly, sometimes it repeats itself, and a couple of times, he needs to have suction during the night. Anything we can do to alleviate the pain, or reduce the saliva flowing to throat? BTW, he will be 101 next month.