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Humalog (insulin lispro) is a fast-acting insulin that starts to work about 15 minutes after injection, peaks in about 1 hour, and keeps working for 2 to 4 hours. Insulin is a hormone that works by lowering levels of glucose (sugar) in the blood.
Humalog is used to improve blood sugar control in adults and children with diabetes mellitus.
Humalog is used to treat type 2 diabetes in adults.
Humalog is also used to treat type 1 diabetes in adults and children who are at least 3 years old.
Humalog is a fast-acting insulin that begins to work very quickly. If you use this medication with meal, use it within 15 minutes before or just after you eat.
Never share an injection pen, cartridge, or syringe with another person, even if the needle has been changed.
You should not use Humalog if you are having an episode of hypoglycemia (low blood sugar).
Humalog is only part of a complete program of treatment that may also include diet, exercise, weight control, foot care, eye care, dental care, and testing your blood sugar. Follow your diet, medication, and exercise routines very closely. Changing any of these factors can affect your blood sugar levels.
Get emergency medical help if you have signs of insulin allergy to Humalog: redness or swelling where an injection was given, itchy skin rash over the entire body, trouble breathing, fast heartbeats, feeling like you might pass out, or swelling in your tongue or throat.
Call your doctor at once if you have:
weight gain, swelling in your hands or feet, feeling short of breath;
low blood sugar - headache, hunger, sweating, irritability, dizziness, fast heart rate, and feeling anxious or shaky; or
low potassium - leg cramps, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling.
Common Humalog side effects may include:
low blood sugar;
weight gain;
swelling in your hands or feet;
itching; or
thickening or hollowing of the skin where you injected the medicine.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
You should not use Humalog if you are allergic to insulin, or if you are having an episode of hypoglycemia (low blood sugar).
Humalog should not be given to a child younger than 3 years old. Humalog should not be used to treat type 2 diabetes in a child of any age.
To make sure Humalog is safe for you, tell your doctor if you have ever had:
liver or kidney disease; or
low levels of potassium in your blood (hypokalemia).
Tell your doctor if you also take pioglitazone or rosiglitazone (sometimes contained in combinations with glimepiride or metformin). Taking certain oral diabetes medicines while you are using insulin may increase your risk of serious heart problems.
Follow your doctor's instructions about using insulin if you are pregnant. Blood sugar control is very important during pregnancy, and your dose needs may be different during each trimester of pregnancy.
It may not be safe to breastfeed while using Humalog. Ask your doctor about any risk.
Use Humalog exactly as it was prescribed for you. Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Humalog is injected under the skin using a syringe and needle, an injection pen, or with an infusion pump. A healthcare provider will teach you how to properly use this medicine by yourself.
Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.
Use Humalog within 15 minutes before a meal, or right after eating.
Concentrated Humalog (200 units) must not be given with an insulin pump, or mixed with other insulins. Do not transfer insulin lispro from an injection pen to a syringe or a severe overdose could occur.
Prepare your injection only when you are ready to give it. Do not use if the medicine looks cloudy, has changed colors or has particles in it. Call your pharmacist for new medicine.
Never share an injection pen, cartridge, or syringe with another person, even if the needle has been changed. Sharing these devices can allow infections or disease to pass from one person to another.
You may have low blood sugar (hypoglycemia) and feel very hungry, dizzy, irritable, confused, anxious, or shaky. To quickly treat hypoglycemia, eat or drink a fast-acting source of sugar (fruit juice, hard candy, crackers, raisins, or non-diet soda).
Your doctor may prescribe a glucagon injection kit in case you have severe hypoglycemia. Be sure your family or close friends know how to give you this injection in an emergency.
Also watch for signs of high blood sugar (hyperglycemia) such as increased thirst or urination.
Blood sugar levels can be affected by stress, illness, surgery, exercise, alcohol use, or skipping meals. Ask your doctor before changing your dose or medication schedule.
Keep this medicine in its original container protected from heat and light. Do not freeze insulin or store it near the cooling element in a refrigerator. Throw away any insulin that has been frozen.
Storing unopened (not in use) insulin lispro:
Refrigerate and use until expiration date; or
Store at room temperature and use within 28 days.
Storing opened (in use) Humalog:
Store the vial in a refrigerator or at room temperature and use within 28 days.
Store the cartridge or injection pen (without a needle attached) at room temperature and use within 28 days.
Use a needle and syringe only once and place them in a puncture-proof "sharps" container. Follow state or local laws about how to dispose of this container. Keep it out of the reach of children and pets.
Since Humalog is used before meals, you may not be on a timed dosing schedule. Whenever you use Humalog, be sure to eat a meal within 15 minutes. Do not use extra Humalog to make up a missed dose.
Keep insulin on hand at all times. Get your prescription refilled before you run out of medicine completely.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Insulin overdose can cause life-threatening hypoglycemia. Symptoms include drowsiness, confusion, blurred vision, numbness or tingling in your mouth, trouble speaking, muscle weakness, clumsy or jerky movements, seizure (convulsions), or loss of consciousness.
Insulin can cause low blood sugar. Avoid driving or operating machinery until you know how this medicine will affect you.
Avoid medication errors by always checking the medicine label before injecting your insulin.
Avoid drinking alcohol. It can cause low blood sugar and may interfere with your diabetes treatment.
Many other medicines can affect your blood sugar, and some medicines can increase or decrease the effects of insulin. Some drugs can also cause you to have fewer symptoms of hypoglycemia, making it harder to tell when your blood sugar is low. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using. This includes prescription and over-the-counter medicines, vitamins, and herbal products.
Further informationRemember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Humalog only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/27/2021.
Source: Drugs.com Humalog Mix 50/50 (www.drugs.com/humalog.html).
Note: This document contains side effect information about insulin lispro. Some of the dosage forms listed on this page may not apply to the brand name Humalog.
For the ConsumerApplies to insulin lispro: suspension
Along with its needed effects, insulin lispro (the active ingredient contained in Humalog) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking insulin lispro:
More common
Less common
Rare
Incidence not known
Some side effects of insulin lispro may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Incidence not known
For Healthcare Professionals
Applies to insulin lispro: injectable solution, subcutaneous solution
GeneralAdverse reactions observed have included hypoglycemia, allergic reactions, local injection site reactions, lipodystrophy, rash, and pruritus.
MetabolicWeight gain has been reported with insulin therapy and has been attributed to the anabolic effects of insulin and the decrease in glucosuria.
Very common (10% or more): Hypoglycemia
Frequency not reported: Weight gain
HypersensitivityFrequency not reported: Allergic reactions including anaphylaxis
Hypersensitivity side effects have included both local and systemic reactions. Anaphylaxis has been reported. Local reactions have presented as erythema, local edema, and pruritus at the injection site. Most minor reactions to insulin at the injection site resolve in a few days to a few weeks.
Generalized allergy to insulin may present as a whole body rash, dyspnea, wheezing, hypotension, tachycardia, or diaphoresis. In clinical trials, pruritus (with or without rash) was seen in 17 patients receiving human insulin (n=2969) and 30 patients receiving insulin lispro (n=2944).
LocalCommon (1% to 10%): Infusion site reactions
Rare (less than 0.1%): Catheter occlusions/month
OcularRapid improvement in glucose control has been associated with a transitory, reversible ophthalmologic refraction disorder and worsening of diabetic retinopathy. However, long-term glycemic control decreases the risk of diabetic retinopathy.
Uncommon (0.1% to 1%): Refraction disorder, worsening of diabetic retinopathy
Nervous systemVery common (10% or more): Headache (up to 29.6%)
Rare (less than 0.1%): Painful peripheral neuropathy
Rapid improvement in glucose control has been associated with a transitory, reversible acute painful peripheral neuropathy. However, long-term glycemic control decreases the risk.
ImmunologicThe clinical significance of the development of these antibody titers is unknown.
Very common (10% or more): Flu syndrome (up to 34.6%), infection (up to 13.6%)
Frequency not reported: Anti-insulin antibody titers
CardiovascularFrequency not reported: Peripheral edema
Insulin may cause sodium retention and edema, especially as metabolic control is improving.
DermatologicLong-term use of insulin may cause lipodystrophy at the site of repeated injection. Lipodystrophy includes lipohypertrophy, a thickening of adipose tissue, and lipoatrophy, thinning of adipose tissue.
Uncommon (0.1% to 1%): Urticaria, rash
Frequency not reported: Lipodystrophy including lipohypertrophy and lipoatrophy
GastrointestinalCommon (1% to 10%): Nausea, diarrhea, abdominal pain
GenitourinaryCommon (1% to 10%): Urinary tract infection, dysmenorrhea
MusculoskeletalCommon (1% to 10%): Myalgia
OtherVery common (10% or more): Pain (up to 19.8%)
Common (1% to 10%): Fever
RespiratoryVery common (10% or more): Pharyngitis (up to 33.3%), rhinitis (up to 24.7%), increased cough (up to 17.3%)
Common (1% to 10%): Sinusitis, bronchitis
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/27/2021.
Source: Drugs.com Humalog Mix 50/50 (www.drugs.com/humalog.html).
May 9, 2021
March 31, 2021
March 29, 2021
March 27, 2021
January 25, 2021
February 23, 2021
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