"Miriam E. Tucker
Medscape Medical News
The U.S. Food and Drug Administration (FDA) will now require a "for single patient use only" warning on all multidose pen devices used for injectable diabetes medications.
HUMULIN® 50/50 (50-50 human insulin isophane suspension and human insulin injection)
(50% human insulin isophane suspension and 50% human insulin injection 10 mL vial(1000 units per vial)
100 UNITS PER ML (U-100)
Humulin is synthesized in a special non-disease-producing laboratory strain of Escherichia coli bacteria that has been genetically altered to produce human insulin. Humulin 50/50 is a mixture of 50% Human Insulin Isophane Suspension and 50% Human Insulin Injection (rDNA origin). It is an intermediate-acting insulin combined with the more rapid onset of action of Regular human insulin. The duration of activity may last up to 24 hours following injection. The time course of action of any insulin may vary considerably in different individuals or at different times in the same individual. As with all insulin preparations, the duration of action of Humulin 50/50 is dependent on dose, site of injection, blood supply, temperature, and physical activity. Humulin 50/50 is a sterile suspension and is for subcutaneous injection only. It should not be used intravenously or intramuscularly. The concentration of Humulin 50/50 is 100 units/mL (U-100).
What are the precautions when taking 50-50 human insulin isophane suspension and human insulin injection (Humulin 50-50)?
Before using combination isophane/regular insulin, tell your doctor or pharmacist if you are allergic to it; or to other types of insulins; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Do not use this medication when you have low blood sugar (hypoglycemia).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: adrenal/pituitary gland problems, kidney disease, liver disease, thyroid problems.
You may experience blurred vision, dizziness, or drowsiness due to extremely low or high blood sugar levels. Do not drive, use machinery, or do any activity that requires alertness or clear vision until...
Last reviewed on RxList: 1/25/2017
This monograph has been modified to include the generic and brand name in many instances.
Additional Humulin 50-50 Information
Humulin 50-50 - User Reviews
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