Byetta starts at 5 mcg twice daily. The maintenance dose is 5 mcg or 10 mcg twice daily, and the maximum is 10 mcg twice daily. The label starts at 5 mcg twice daily and recommends 10 mcg twice daily after 1 month, based on how you respond.
Byetta dose at a glance
| Form | Multi-dose prefilled pen, subcutaneous injection |
|---|---|
| Starting dose | 5 mcg twice daily |
| Maintenance | 5 mcg or 10 mcg twice daily |
| Maximum | 10 mcg twice daily |
| How often | Twice daily, within the 60 minutes before the morning and evening meals (or the two main meals, about 6 hours or more apart), never after a meal |
Checked against the Byetta FDA label dated September 2, 2025. How long it keeps out of the fridge is on the Byetta storage page.
Byetta (exenatide) dosing chart
FDA-labeled titration schedule — the standard step-up most prescribers follow to limit nausea. Your prescriber may adjust the pace to your tolerance.
| Phase | Dose | What to expect |
|---|---|---|
| Month 1 | 5 mcg twice daily | Within the 60 minutes before the morning and evening meals. |
| Month 2 on | 10 mcg twice daily | Recommended after 1 month, based on response. |
Maximum approved Byetta dose: 10 mcg twice daily. Source: FDA prescribing information.
How to inject Byetta
- Inject under the skin of the thigh, abdomen or upper arm within the 60 minutes before the morning and evening meals. Never inject after eating.
- Rotate the site with every dose.
- Use only if the solution is clear and colorless. With insulin, use separate injections and never mix them.
What if you miss a dose?
Skip the missed dose and resume with the next scheduled dose. Do not inject after a meal.
FAQ about Byetta dosage
Can I change the day or time I take Byetta?
Doses follow your two main meals rather than the clock, about 6 hours or more apart.
What happens if I take too much Byetta?
In a clinical study, three people who injected 100 mcg, ten times the maximum dose, had severe nausea, severe vomiting and rapidly falling blood sugar; one needed glucose by injection. Call Poison Help (1-800-222-1222) or get medical care.
Is Byetta dosed differently for kidney or liver problems?
Not recommended with severe kidney impairment (creatinine clearance below 30 mL/min) or end-stage kidney disease; use with caution after a kidney transplant.
Can children take Byetta?
Not established in children; a study in 10- to 17-year-olds did not show it worked.
Always follow your prescriber's specific dosing instructions over generic guides. Full medical disclaimer.