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thanks skyep and ethel, mum has been seen by 'specialist' privately and otherwise , all over GB. theres nothing she can do about her bronc asthma, as i say she copes well. her medication has been changed a few times and she gets relief for a while, this cough in unexplainable apparently. She had a chest xray 5 weeks ago, there was signs of damage in the lower lungs but thankfully no shadows that couldnt be explained. We , the family, have visited with her and we dont take any nonsense, we have a great deal of respect for her local Doc and he has tried all of the drugs he can. I am a little concerned though that as she is now 70 they (docs etc..) dont want to try anything new. Anyway, thanks again