Is Zepbound safe?

Zepbound (tirzepatide) is a weight loss medication that's safe to take when used as prescribed. Zepbound has been studied extensively, with solid scientific evidence supporting its safety and effectiveness. Read on to learn more about Zepbound's safety, side effects, potential risks, and who isn't a good fit for the medication.

Yes, Zepbound is considered safe when used as prescribed. It is approved by the US Food and Drug Administration (FDA) for weight loss and for obstructive sleep apnea. Meaning it has undergone rigorous clinical trials to evaluate its safety and efficacy.  FDA approval ensures that it meets strict safety standards and provides clear guidelines for its proper use.

Like any medication, Zepbound has risks, and its use may not be safe for everyone. It also comes with the potential for side effects. If you’re considering Zepbound, talk to a healthcare provider to determine if it’s the right option for your health needs and goals.

See if you qualify

As with any medication, Zepbound comes with the potential for side effects. Most side effects are mild to moderate and tend to improve as the body adjusts to the medication. The most common Zepbound side effects, according to the prescribing information, include:

• Nausea

• Vomiting

• Diarrhea

• Constipation

• Abdominal pain 

• Indigestion

• Discomfort at the injection site

• Fatigue 

• Hair loss 

Zepbound side effects are often more noticeable during the early weeks of treatment. Your healthcare provider will likely start you at a low dose to help your body adjust to the medication and minimize side effects.

Sometimes, side effects can become more intense or noticeable at higher doses as the medication's effects on appetite and digestion are amplified. Even with gradual dose increases, some people may not be able to tolerate Zepbound. 

In studies for weight loss, around 5%–7% of participants had to stop taking the medication during the first few months of treatment, mainly due to gastrointestinal side effects. 

Don't quit taking Zepbound on your own. Tell your healthcare provider if you're having persistent nausea, vomiting, or other side effects. They may lower your dose or recommend switching to a different weight loss medication, such as semaglutide.

Adverse events can occur with Zepbound, though serious ones are generally rare. Stop using Zepbound and contact your healthcare provider immediately if you experience any of the following serious side effects:

• Allergic reactions. Symptoms of an allergic reaction to any ingredients in Zepbound may include swelling of the face or throat, difficulty breathing or swallowing, itching or rash, dizziness, fainting, or rapid heartbeat. Injection site reactions can also develop, causing itching, swelling, and a skin rash. 

• Pancreatitis. If Zepbound causes inflammation of your pancreas (pancreatitis), symptoms may include severe abdominal pain that persists and may radiate to your back, accompanied by nausea or vomiting.

• Gallbladder problems. Symptoms may include pain in the upper right abdomen, fever, yellowing of the skin or eyes, or pale, clay-colored stools.

• Kidney problems. Dehydration due to Zepbound side effects like vomiting and diarrhea can worsen symptoms like infrequent urination, swelling, and fatigue in people with existing kidney disease. In rare cases, kidney injury may occur even in those without prior kidney disease.

• Low blood sugar (hypoglycemia).Symptoms may include dizziness, blurred vision, rapid heartbeat, confusion, shakiness, or excessive hunger. This is more common if Zepbound is used alongside other blood sugar-lowering medications, such as insulin.

• Vision changes. Symptoms may include blurred vision, floaters, or spots in your visual field. People with a history of diabetic retinopathy (a condition causing damage to the retina) should be closely monitored, as Zepbound may worsen symptoms.

• Gastroparesis or bowel obstruction. Zepbound can slow stomach emptying, and in rare cases, this can lead to issues like severe nausea, vomiting, or bowel obstruction.

There is a boxed warning for Zepbound regarding the potential risk of thyroid C-cell tumors, including medullary thyroid carcinoma (MTC). People with a personal or family history of thyroid tumors may not be suitable candidates for Zepbound or similar medications. 

Although the warning about thyroid tumors is based on animal studies and has not been seen in humans, it's best to err on the side of caution and avoid Zepbound if you or a family member has a history of thyroid cancer.

Tell your healthcare provider immediately if you experience symptoms such as difficulty swallowing, a lump or swelling in your neck, hoarseness, or shortness of breath, as these could be signs of a thyroid tumor. 

With proper monitoring and guidance, Zepbound can be a safe and helpful part of a weight management plan. Still, it’s important to discuss your medical history and any concerns with your healthcare provider before starting this medication.

Zepbound may interact with other medications. So, it’s important to inform your healthcare provider about all prescription and over-the-counter medications you currently take, as well as dietary supplements and herbal remedies. 

Being transparent about your medication use can help reduce the risk of potential interactions and side effects. Talk to your healthcare provider or pharmacist for guidance if you’re unsure about a specific medication or supplement. 

Drugs that can potentially interact with Zepbound include: 

• Oral medications. Zepbound can delay gastric emptying and slow digestion, affecting how well your body absorbs any oral medications, including birth control pills. Clinical trials suggest that these effects are generally minimal, but you should discuss this risk with your healthcare provider if you rely on oral medications.

• Insulin and sulfonylureas. The risk of hypoglycemia (dangerously low blood sugar levels) is higher if you're taking Zepbound alongside certain diabetes medications. These include insulin and sulfonylureas, which are medications that stimulate insulin production (e.g. glyburide, glipizide, or glimepiride). Close monitoring of blood sugar levels is important with these combinations, and your healthcare provider may adjust the dosage of your diabetes medications when you start Zepbound.

• GLP-1 receptor agonists. Since Zepbound already has GLP-1 activity, it should not be taken with other GLP-1 receptor agonist medications. Doing so could increase the risk of severe side effects or complications.

Always consult your healthcare provider or pharmacist before starting or stopping any medications while taking Zepbound to ensure your treatment plan is safe and addresses your health needs. 

Check your coverage for FDA-approved GLP-1s—for free

Check for free

Zepbound may not be suitable for everyone. It is not recommended for people who are pregnant, breastfeeding, or planning to become pregnant in the near future. Experts recommend you discontinue Zepbound at least two months before trying to conceive. 

It’s also important to avoid Zepbound use if you have a personal or family history of MTC (a rare type of thyroid cancer) or multiple endocrine neoplasia syndrome type 2 (MEN 2), a genetic condition affecting hormone-producing glands. These conditions are associated with a higher risk of thyroid tumors.

If you have a history of pancreatitis, kidney disease, or other health conditions, speak with your healthcare provider to determine if Zepbound is the right option for you. Some conditions may require closer monitoring or an alternative treatment plan. 

Before prescribing Zepbound, your healthcare provider will carefully review your medical history, considering factors such as medical conditions and current medications, to ensure Zepbound is safe. 

Zepbound can be a valuable tool for weight management, but it isn't the right choice for everyone. If you're considering Zepbound, talk with a healthcare provider to find out whether it fits your health history and weight loss goals.

• Zepbound is FDA-approved and considered safe and effective for weight management when used as prescribed and under a healthcare provider's guidance.

• Most people tolerate it well. Mild side effects of Zepbound, such as nausea, diarrhea, or constipation, are common early on and tend to ease as the body adjusts.

• Zepbound isn't the right fit for everyone, including people with a personal or family history of certain thyroid cancers or severe allergic reactions to its ingredients.

How well Zepbound works and how long you may need it vary from person to person — talk with a healthcare provider about whether it fits your health history and weight loss goals.