For adults living with type 2 diabetes, managing blood sugar can be complex—especially when oral medications and single-agent therapies are no longer sufficient. Soliqua offers a convenient and effective injectable solution by combining two powerful agents into a single daily dose. Understanding what Soliqua is, how it functions, and who should use it is essential for patients and healthcare professionals aiming for optimal glycemic control with fewer daily medications.
What Is Soliqua?
Soliqua is a once-daily injectable prescription medicine used to improve blood sugar control in adults with type 2 diabetes. It is a fixed-ratio combination of:
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Insulin glargine (a long-acting basal insulin)
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Lixisenatide (a GLP-1 receptor agonist)
This dual-action medication is specifically designed for patients who have not achieved their target HbA1c levels using long-acting insulin or oral antidiabetic drugs such as metformin.

Soliqua is administered subcutaneously and should always be used in combination with a healthy diet and regular physical activity.
Soliqua Composition: Dual Mechanism of Action
Soliqua’s effectiveness comes from the synergistic interaction between insulin glargine and lixisenatide.
Insulin Glargine
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Mimics the body’s natural basal insulin, releasing slowly over 24 hours
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Lowers fasting blood glucose by facilitating glucose uptake in muscle and fat tissues
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Inhibits hepatic glucose production
Lixisenatide
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Increases insulin secretion in response to meals
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Suppresses glucagon release post-meal to prevent glucose spikes
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Slows gastric emptying, reducing appetite and postprandial blood sugar spikes
This complementary activity provides round-the-clock glucose control, addressing both fasting and post-meal blood sugar levels—a critical advantage over basal insulin alone.
Who Should Use Soliqua?
Soliqua is indicated for adults with type 2 diabetes who meet the following conditions:
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Require intensified insulin therapy but wish to avoid multiple daily injections
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Have not achieved desired HbA1c targets with basal insulin or oral agents
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Do not have type 1 diabetes or diabetic ketoacidosis
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Are not pregnant or breastfeeding unless explicitly approved by a healthcare provider
Patients already using basal insulin and a separate GLP-1 receptor agonist may transition to Soliqua for dosing convenience and better tolerability.
Soliqua Use and Dosage Guidance
Soliqua comes as a pre-filled SoloStar pen. The dosing depends on prior treatment exposure:
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Patients switching from less than 30 units of basal insulin start at 15 units of Soliqua
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Those taking 30 to 60 units of basal insulin start at 30 units of Soliqua
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Maximum daily dose: 60 units
Administration should occur within one hour before the first meal of the day, injected subcutaneously into the abdomen, thigh, or upper arm. Dose titration is typically done weekly, under physician guidance.
Benefits of Soliqua Over Separate Therapies
Benefit | Description |
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Fewer Injections | Single daily injection replaces two separate medications |
Simplified Dosing | Fixed ratio reduces complexity in diabetes management |
Better Glycemic Control | Targets both fasting and postprandial glucose levels |
Weight Neutral or Loss | GLP-1 receptor activity may support modest weight reduction |
Reduced GI Side Effects | Lower lixisenatide dose means fewer gastrointestinal side effects vs. monotherapy |
Patients often report improved treatment satisfaction due to the simplicity and efficiency of the regimen.
Soliqua Side Effects and Considerations
While generally well-tolerated, Soliqua may cause side effects, particularly during initiation:
Common Side Effects:
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Nausea, vomiting, or diarrhea
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Headache
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Upper respiratory symptoms
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Injection site irritation
Serious Side Effects (Rare):
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Hypoglycemia, especially when used with sulfonylureas or insulin secretagogues
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Pancreatitis
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Kidney dysfunction, particularly in dehydrated individuals
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Allergic reactions
Proper patient education and glucose monitoring help mitigate most of these risks.
Contraindications and Warnings
Soliqua should be avoided in the following scenarios:
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Individuals with type 1 diabetes
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History of severe gastrointestinal disease (e.g., gastroparesis)
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Prior hypersensitivity to insulin glargine or lixisenatide
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Patients with medullary thyroid carcinoma or a family history of such cancers
As always, prescribers must evaluate the complete medical history before initiating treatment.
Monitoring and Adjustments During Use
Once Soliqua is initiated, ongoing monitoring is necessary:
Monitoring Parameter | Frequency | Purpose |
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Fasting Blood Glucose | Daily or as advised | Evaluate basal control |
HbA1c | Every 3 months | Assess long-term glycemic control |
Renal Function | Periodically | Detect changes due to lixisenatide |
Weight | Monthly | Track metabolic impact |
GI Tolerability | As needed | Adjust dosage if symptoms persist |
Adjustments to diet, physical activity, and concurrent medications may also be recommended.
Is Soliqua Right for You?
Soliqua represents a significant advancement in diabetes care by merging insulin glargine with lixisenatide into a single, efficient treatment. For adults struggling with blood sugar control on basal insulin or oral medications alone, Soliqua offers:
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Better 24-hour glucose regulation
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Simplified injection schedules
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Improved patient compliance and satisfaction
As with any medication, the decision to use Soliqua must be individualized based on patient needs, lifestyle, comorbidities, and treatment goals. When used appropriately, it can be a powerful ally in the long-term management of type 2 diabetes.