Your husband has suffered a deep vein thrombosis(blood clot in the deep veins in the leg). Sometimes we can find a cause for this and unfortunately sometimes not. It sounds like he has had the correct medication in the form of blood thinning treatment. Regarding the leg swelling, this can take a while to come down. If glucose level were high, then insulin was a good option.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.