I've been struggling with something, and I hope you can help. About three months ago, I had pneumonia, but I'm fully cured now. However, just after we had a wash in the house a couple of weeks ago, I've developed a cough that's just not letting go. It's been tough to get any sleep because of it. Also, I'm diabetic, so I'm a bit worried about how this might affect my health. What can I do about this? Would love to hear your advice.