The standard and most commonly used strength in the United States today is U, which means it has units of insulin per milliliter of fluid, though U insulin is available for patients who are extremely insulin resistant. U, which has 40 units of insulin per milliliter of fluid, has generally been phased out around the world, but it is possible that it could still be found in some places and U insulin is still used in veterinary care.
If you're traveling outside of the U. Log in menu Manage Account Search. Donate now. Insulin Basics. There are different types of insulin depending on how quickly they work, when they peak and how long they last. Insulin is available in different strengths; the most common is U All insulin available in the United States is manufactured in a laboratory, but animal insulin can still be imported for personal use.
Types of insulin Rapid-acting insulin , begins to work about 15 minutes after injection, peaks in about one or two hours after injection, and last between two to four hours.
Types: insulin aspart Fiasp, NovoLog Insulin glulisine Apidra , and insulin lispro Admelog, Humalog, Lyumjev Regular or short-acting insulin usually reaches the bloodstream within 30 minutes after injection, peaks anywhere from two to three hours after injection, and is effective for approximately three to six hours. Types: Human Regular Humulin R, Novolin R, Velosulin R Intermediate-acting insulin generally reaches the bloodstream about two to four hours after injection, peaks four to 12 hours later, and is effective for about 12 to 18 hours.
Types: degludec Tresiba , detemir Levemir , and glargine Basaglar, Lantus Ultra long-acting reaches the blood stream in six hours, does not peak, and lasts about 36 hours or longer. Comparing types of insulin Take a look at our overview below to find out about the different types of insulin.
Fast-acting insulin also called rapid-acting , is absorbed quickly and starts working in about 15 minutes after injection to lower blood sugar after meals. Humalog is fast-acting insulin. In people with type 1 diabetes, Humalog is generally used with a longer-acting insulin except when using an external insulin pump. Short-acting insulin can cover insulin needs for meals eaten within 30 minutes after injection. Short-acting insulin is also considered a mealtime insulin. Intermediate-acting insulin can cover your insulin needs between meals and during the night.
It generally takes about hours for this insulin to start working after injection. Longer-acting or basal insulin manages blood sugar levels at night and between meals. Humalog works together with longer-acting insulin to help balance out your blood sugar throughout the day.
Select Safety Information Do not change the type of insulin you take or your dose, unless your doctor tells you to. About Mealtime Insulin Mealtime insulins are fast-acting insulins that are taken right before or after meals. You've just taken an important step in learning to manage your diabetes. There will be ups and downs as you learn to fit Humalog into your life, but by taking it in small steps, you can find your rhythm for living with mealtime insulin. Managing Blood Sugar When using mealtime insulin like Humalog, you must test your blood sugar glucose.
The possible serious side effects are: Low blood sugar. This can cause: dizziness or light-headedness headache shakiness irritability. Why keep track? Checking blood sugar glucose will help you and your doctor: Know if you're meeting your goals Learn how different foods affect your blood sugar glucose level Determine how much insulin you should be taking. Your blood sugar goals The American Diabetes Association recommends blood sugar goals for people with diabetes.
Blood sugar check. About low blood sugar Low blood sugar is the most common side effect of Humalog. It can be caused by: Being more physically active than usual Taking too much diabetes medication Eating at the wrong time for the medication taken Other medications taken in addition to Humalog Not finishing meals or snacks. What does it feel like to have low blood sugar? Managing Low Blood Sugar Low blood sugar hypoglycemia can be serious.
The American Diabetes Association recommends you do the following immediately: Check your blood sugar glucose. If your blood sugar is too low, eat something with sugar right away see below. After 15 minutes, check your blood sugar level again. Repeat treatment if necessary. If your blood sugar is still low after another 15 minutes, call your emergency service or your doctor.
How to quickly raise your blood sugar Three good options for quickly raising low blood sugar levels include:. Remember that if low blood sugar is not treated quickly, it can become severe. And severe low blood sugar is very serious. Humalog and Insulin Lispro Injection are fast-acting insulins. They are used to control high blood sugar in adults and children with diabetes.
They are available only with a prescription. Humalog comes in two strengths: U units per milliliter and U units per milliliter. The Humalog U prefilled pen contains 2 times as much insulin per 1 milliliter as standard U insulin. The dose window on the pen shows your insulin dose. It is not known if Humalog or Insulin Lispro Injection are safe and effective for children with type 2 diabetes or for children younger than 3 years of age with type 1 diabetes.
There were no studies done with these insulins in these groups of children. If your doctor decides to give your child one of these insulins, he or she may give you special instructions. This means they contain a mix of fast-acting and intermediate-acting insulins.
It quickly drops the blood sugar level and works for a short time. If a rapid-acting insulin is used instead of a short-acting insulin at the start of dinner, it may prevent severe drops in blood sugar level in the middle of the night.
Short-acting insulins take effect and wear off more quickly than long-acting insulins. A short-acting insulin is often used 30 minutes before a meal so that it has time to work. These liquid insulins are clear and do not settle out when the bottle vial sits for a while. Intermediate-acting insulins contain added substances buffers that make them work over a long time and that may make them look cloudy.
When these types of insulin sit for even a few minutes, the buffered insulin settles to the bottom of the vial. Mixtures of insulin can sometimes be combined in the same syringe, for example, intermediate-acting and rapid- or short-acting insulin. Not all insulins can be mixed together. For convenience, there are premixed rapid- and intermediate-acting insulin. The insulin will start to work as quickly as the fastest-acting insulin in the combination. It will peak when each type of insulin typically peaks, and it will last as long as the longest-acting insulin.
Examples include:. Author: Healthwise Staff. Medical Review: E. This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content. To learn more about Healthwise, visit Healthwise. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
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