Oh, Rattles, best practice suggests that it is
not ok to have blood from your arms. You should ask to have blood tests AND blood pressure done elsewhere. The Lymphoedema Support Network (UK group--you can google it) has a section for doctors and nurses that you might want to direct your gp to, and you might want to print out the pdf that points to a danger of an increased risk of infection from drawing blood to take with you next time. They also have a course that gps can take, that sounds excellent.
Have you tried wearing a glove rather than a mitten? There is also a product called "swell spots" that I have heard of some people using, but I don't really know much about them. Finally, you might find your lymphoedema nurse and MAKE her teach you how to wrap your hand--you could wear it wrapped at night to help deal with the hand swelling.
Jane, you
can measure yourself -- especially if you get a friend to help -- there are pictures on all the sleeve websites. But it would be better if you could see your lymphoedema nurse, if you have one, or maybe your bcn, if she is trained, to measure for you. An on-line company called Daylong seems to be the only one I can find in the UK--anyone else have any clues sing out-- who supply armsleeves to people. I use them 'cause, since I wear a mitten, I run through them quickly. But, if you have been diagnosed with lymphoedema, you should be able to get two sleeves a year for free. I also wear Sigvaris, and have learned to like them, but there are two other brands they sell, mediven and lymphsomethingorother. Sigvaris is cheapest and I liked them better than mediven, but "everybody's different". Also, Rattles is right about the antibiotics, especially since you have had cellulitis once, you should get some to take with you on holiday or in case you develop cellulitis when you cannot get to a gp (Friday night!. Again, ask your gp, and explain why--mine gave me some with no trouble.