Zepbound Injection
Zepbound® (Tirzepatide)
What is Zepbound?
How does Zepbound work?
As a result, Zepbound produces the following effects:
• Your stomach empties more slowly, causing you to feel fuller for longer.
• Your appetite decreases and you eat less food.
• Food cravings decrease.
• Your pancreas releases more insulin, lowering blood glucose.
• Your liver creates less new glucose.
Together, these effects lead to weight loss and lower blood glucose levels. That is why tirzepatide is approved as two separate medications: Zepbound for chronic weight management, and Mounjaro for type 2 diabetes.
Clinical history and FDA approval
In SURMOUNT-1 (adults with obesity or overweight, without type 2 diabetes), people taking the highest dose (15 mg) lost an average of 48 pounds, and those on the lowest dose (5 mg) lost an average of 34 pounds, compared to 7 pounds on placebo after 72 weeks.
In SURMOUNT-2 (adults with obesity or overweight, with type 2 diabetes), the 15 mg dose produced average weight reductions of 15.7% (34.4 pounds), and the 10 mg dose produced average reductions of 13.4% (29.8 pounds), compared to 3.3% (7.0 pounds) on placebo.
How is Zepbound used?
Who should not use Zepbound?
Common side effects
Managing common side effects
Your doctor may prescribe medication to help manage symptoms such as nausea. In most cases, your body gradually adapts to the treatment and side effects reduce over time with continued use.
Serious side effects to watch for
Severe stomach problems – Stomach problems, sometimes severe, have been reported. Tell your healthcare provider if you have stomach pain that is severe or will not go away.
Kidney problems – Diarrhea, nausea, and vomiting may cause dehydration, which may lead to kidney problems. Drink plenty of fluids to reduce your risk.
Gallbladder problems – Symptoms may include pain in your upper abdomen, fever, yellowing of skin or eyes (jaundice), or clay-colored stools. Tell your provider right away if these occur.
Pancreatitis – Stop using Zepbound and call your provider immediately if you have severe abdominal pain that will not go away, with or without vomiting.
Serious allergic reactions – Stop using Zepbound and seek medical help right away if you experience swelling of your face, lips, tongue, or throat; difficulty breathing or swallowing; severe rash; fainting; or very rapid heartbeat.
Low blood sugar (hypoglycemia)– Risk is higher when Zepbound is combined with certain diabetes medications such as a sulfonylurea or insulin. Symptoms include dizziness, sweating, confusion, headache, blurred vision, slurred speech, shakiness, fast heartbeat, anxiety, or mood changes.
Changes in vision – Tell your provider if you notice changes in vision during treatment, particularly if you have type 2 diabetes.
Depression or thoughts of suicide – Pay attention to changes in mood, behavior, or thoughts. Call your provider right away if you experience mental changes that are new, worse, or concerning.
Using Zepbound®: Dosage, Safety, and Side Effects
Learn how Zepbound® is used, who it is suitable for, and important safety information before starting treatment.
1. How to Use Zepbound®
Zepbound is injected under the skin (subcutaneously) in the abdomen, thigh, or upper arm. It is typically used once per week at any time of the day. Be sure to rotate your injection site each week to avoid irritation and do not use the same site repeatedly.
2. Who Should Not Use Zepbound®
Zepbound is not recommended for individuals with a personal or family history of medullary thyroid cancer or those who have experienced pancreatitis. Always consult your healthcare provider before starting treatment.
3. Common Side Effects
Common side effects may include nausea, vomiting, diarrhea, constipation, stomach discomfort, indigestion, fatigue, or injection site reactions. Some individuals may also experience heartburn, mild allergic reactions, or temporary hair thinning. These effects are usually more noticeable at the beginning of treatment.
4. Managing Side Effects
Your doctor may prescribe medication to help manage symptoms such as nausea. In most cases, your body gradually adapts to the treatment, and side effects reduce over time with continued use.
5. Serious Side Effects to Watch For
Although rare, serious side effects may occur. Seek medical attention if you experience severe stomach pain, symptoms of pancreatitis, gallbladder issues, signs of dehydration, or allergic reactions such as swelling or difficulty breathing.
6. Additional Safety Considerations
Low blood sugar may occur, especially when combined with certain diabetes medications. Some patients may also notice changes in vision or mood. Contact your healthcare provider if you experience any unusual or concerning symptoms.
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