Humulin R


Humulin R is a regular-acting insulin used for control of blood sugar.

Sold By: Mark's Marine Pharmacy

What is it?

Humulin R contains regular insulin. It is the same as the insulin typically made by the body.

What is it used for?

Humulin R is used to improve glycemic control in adults and children with type 1 and type 2 diabetes mellitus.

How does it work?

Regular insulin is a short acting insulin that replaces the insulin that your body would normally make. It is a short-acting insulin, and it often used in combination with a medium- or long-acting insulin product.


Unopened vials and pens should be stored in a refrigerator, 36°F-46°F (2°C-8°C). In-use insulin can be kept at room temperature (below 86°F), away from direct heat and light. Insulin should not be stored in the freezer, and it should not be allowed to freeze. Discard if it has been frozen.


Humulin R is contraindicated in patients who have had hypersensitivity reactions to Humulin R or one of the excipients.

Drug interactions

You should speak to your healthcare provider if you take one of the following medications: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, propoxyphene, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics, GLP-1 receptor agonists, DPP-4 inhibitors, SGLT-2 inhibitors, atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), thyroid hormones, alcohol, beta-blockers, clonidine, lithium salts, pentamidine, guanethidine, and reserpine.

Additional information

3 mL Pens (Box of 5), 3 mL Cartridges (Box of 5), 10 mL Vial