An Introduction to Humulin R Side Effects
As with any medicine, side effects are possible with Humulin
® R (
regular insulin). The most important side effect that can occur with
Humulin R is low blood sugar, although other side effects are also possible.
(This article covers many, but not all, of the possible side effects with Humulin R. Your healthcare provider can discuss a more complete list of Humulin R side effects with you.)
Possible Side Effects of Humulin R
Because Humulin R is a non-prescription medication, little information is available about its possible side effects.
For prescription medications, detailed side effect data is provided by the manufacturer. However, such data is not given for non-prescription medications. As a result, only vague side effect information is available.
Based on this information, possible side effects of Humulin R include:
- Low blood sugar levels (hypoglycemia) if too much is taken
- High blood sugar levels (hyperglycemia) if too little is taken
- A skin reaction at the site of the injection
- Skin thickening or pitting at the site of the injection.