Metformin Hydrochloride and Opcon-A

• Generic Name: metformin
• Dosage Forms: n.a.
• Other Brand Names: Fortamet, Glucophage, Glucophage XR, Glumetza, Riomet, Glumetza. Riomet

Used as an adjunct to diet and exercise for the management of type 2 diabetes mellitus.

May be used in combination with a sulfonylurea, repaglinide, a thiazolidinedione antidiabetic agent, a dipeptidyl peptidase-4 [DPP-4] inhibitor, a glucagon-like peptide-1 (GLP-1) agonist, or a sodium-glucose cotransporter-2 [SGLT2] inhibitor for the management of type 2 diabetes mellitus in patients who do not achieve adequate glycemic control on monotherapy with metformin or any of these drugs. Also used concomitantly with nateglinide.

May be used with insulin to improve glycemic control and/or decrease the required dosage of insulin.

Commercially available in fixed combination with glyburide or glipizide for use as an adjunct to diet and exercise in adults with type 2 diabetes mellitus. May add a thiazolidinedione antidiabetic agent if patient has inadequate glycemic control with fixed-combination metformin/glyburide therapy.

Commercially available in fixed combination with rosiglitazone for use when treatment with both rosiglitazone and metformin is appropriate.

Commercially available in fixed combination with pioglitazone (as immediate- or extended-release tablets) for use as an adjunct to diet and exercise in patients with type 2 diabetes mellitus who have inadequate glycemic control with pioglitazone or metformin monotherapy or in those who are already receiving pioglitazone and metformin concurrently as separate components.

Commercially available in fixed combination with repaglinide for use as an adjunct to diet and exercise in patients with type 2 diabetes mellitus who are already receiving repaglinide and metformin concurrently as separate components or in those who have inadequate glycemic control with repaglinide or metformin monotherapy.

Commercially available in fixed combination with the DPP-4 inhibitors alogliptin, linagliptin, saxagliptin, or sitagliptin for use as an adjunct to diet and exercise when treatment with both drug components is appropriate.

Commercially available in fixed combinations with the SGLT2 inhibitors canagliflozin, dapagliflozin, empagliflozin, or ertugliflozin for use when treatment with both drugs components is appropriate.

Metformin generally is the preferred initial oral antidiabetic agent for patients with type 2 diabetes mellitus. Potential advantages of metformin compared with sulfonylureas or insulin include minimal risk of hypoglycemia, more favorable effects on serum lipids, reduction of hyperinsulinemia, and weight loss or lack of weight gain.

Not effective as sole therapy in patients with diabetes mellitus complicated by acidosis, ketosis, or coma.

Has been used in the management of metabolic and reproductive abnormalities associated with polycystic ovary syndrome.

• Generic Name: naphazoline / pheniramine ophthalmic
• Dosage Forms: eye drops
• Other Brand Names: Naphcon-A, Opcon-A, Visine-A, AK-Con-A, Ocuhist

Naphazoline is a vasoconstrictor. It works by narrowing swollen blood vessels in the eyes to reduce eye redness.

Pheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of itchy or watery eyes.

Opcon-A (for the eyes) is for temporary relief of minor eye redness or itching caused by ragweed, pollen, grass, or animal dander and hair.

Opcon-A may also be used for purposes not listed in this medication guide.