<unk> , sold under the brand name Levemir among others, is a long-acting insulin used to treat both type 1 and type 2 diabetes. It is used by injection under the skin. It is effective for up to 24 hours. Common side effects include low blood sugar, allergic reactions, pain at the site of injection, and weight gain. Use in pregnancy and breastfeeding appears safe. It works by increasing the amount of glucose that tissues take in and decreasing the amount of glucose made by the liver.<unk>  was approved for medical use in the European Union in June 2004, and in the United States in June 2005. It is on the World Health Organization's List of Essential Medicines. In 2019, it was the 121st most commonly prescribed medication in the United States, with more than 5million prescriptions.
Insulin detemir
Insulin glulisine
Insulin aspart
Insulin lispro
Lente insulin
Insulin glargine
Insulin degludec
Regular insulin