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Wegovy Pen

Generic name: semaglutide injection (Wegovy)

Brand names: Wegovy HD Pen, Wegovy Pen

Last updated November 3, 2026 0 views
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What is semaglutide injection?

This medication overview is specific to Wegovy shot.

Semaglutide is utilized with diet regimen and workout to:

  • help reduce the threat of serious heart troubles such as heart attack or stroke in grownups with heart disease who have either obesity or are overweight;
  • manage weight in grownups and children aged 12 years and older that have weight problems or in adults that are overweight with a minimum of one weight-related clinical condition such as type 2 diabetes, high blood pressure, or high cholesterol; and
  • treat a specific sort of fatty liver disease called noncirrhotic metabolic dysfunction-associated steatohepatitis (MASH) (formerly referred to as nonalcoholic steatohepatitis [NASH] with moderate to serious liver fibrosis in adults.

Do not utilize Wegovy shot with various other semaglutide-containing items or with medications used to manage weight or control blood glucose.

Semaglutide might also be made use of for objectives not listed in this medicine guide.

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Warnings

Call your physician at the same time if you have signs of a thyroid tumor, such as swelling or a swelling in your neck, problem swallowing, a hoarse voice, or shortness of breath.

You must not use Wegovy Pen if you or anyone in your family has or has actually ever before had thyroid cancer or a condition called multiple endocrine neoplasia syndrome.

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Before taking this medicine

You need to not use semaglutide if you dislike it, or if you have or have ever had:

  • numerous endocrine neoplasia kind 2 (tumors in your glands); or
  • a personal or family background of medullary thyroid cancer (a kind of thyroid cancer cells).

Tell your physician if you have or have actually ever had:

  • pancreatic issues;
  • an extreme belly problem such as troubles with digesting food or slowed down emptying of your stomach (gastroparesis);.
  • an intended surgery or a clinical procedure;.
  • eye troubles triggered by diabetic issues; or.
  • kidney condition.

May damage an unborn baby. You must stop utilizing this medication at the very least 2 months before you intend to conceive. Ask your medical professional for a safer medication to utilize during this time around. Regulating diabetes mellitus is really essential while pregnant. Tell your medical professional if you are expecting or plan to conceive.

If you are pregnant, your name might be listed on a pregnancy windows registry to track the impacts of semaglutide on the infant.

Ask a doctor if it is risk-free to breastfeed while utilizing this medicine.

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Semaglutide side effects

Obtain emergency medical aid if you have indicators of an allergy: hives, challenging breathing, swelling of your face, lips, tongue, or throat.

Wegovy Pen might trigger significant side effects. Call your physician simultaneously if you have:

  • vision changes;
  • quickly or battering heart beats;
  • severe belly issues-- looseness of the bowels or bowel irregularity;
  • indications of a thyroid growth-- swelling or a swelling in your neck, problem ingesting, a hoarse voice, really feeling short of breath;
  • pancreatitis or gallbladder issues-- serious pain in your upper belly spreading to your back, nausea and vomiting, chalky-colored feceses, tummy discomfort after consuming, heartburn, and bloating;
  • low blood sugar-- headache, cravings, weakness, sweating, complication, irritability, lightheadedness, fast heart rate, or feeling anxious; or
  • kidney troubles-- swelling, peing much less, really feeling tired or breathless.

Usual negative effects of Wegovy Pen might consist of:

  • low blood glucose (in individuals with type 2 diabetes);.
  • upset stomach, heartburn, burping, gas, bloating;.
  • queasiness, vomiting, stomach pain, anorexia nervosa;.
  • looseness of the bowels, irregularity;.
  • changes in skin feeling;.
  • loss of hair;.
  • tummy flu symptoms; or.
  • frustration, dizziness, exhaustion.

This is not a full checklist of adverse effects and others may occur. Call your medical professional for medical suggestions regarding negative effects. You may report negative effects to FDA at 1-800-FDA-1088.

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How should I use semaglutide?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Your dose needs may change if you switch to a different brand, strength, or form of Wegovy Pen. Avoid medication errors by using exactly as directed on the label, or as prescribed by your doctor.

Semaglutide is given under the skin, usually once per week at any time of the day, with or without food. Use an injection on the same day each week. A healthcare provider will teach you how to properly use this medicine by yourself.

If you change your dosing day, allow at least 2 days to pass between doses.

Prepare an injection only when you are ready to give it. Call your pharmacist if the medicine looks cloudy, has changed colors, or has particles in it. Ask your doctor or pharmacist if you don't understand how to use an injection.

Your healthcare provider will show you where to inject semaglutide. Do not inject into the same place two times in a row.

Blood sugar can be affected by stress, illness, surgery, exercise, alcohol use, or skipping meals.

Low blood sugar (hypoglycemia) can make you feel very hungry, dizzy, irritable, or shaky. To quickly treat hypoglycemia, eat or drink hard candy, crackers, raisins, fruit juice, or non-diet soda. Your doctor may prescribe glucagon injection in case of severe hypoglycemia.

If you need surgery or any medical procedure, tell the doctor ahead of time that you are using semaglutide. You may need to stop using the medicine for a short time.

Tell your doctor if you have frequent symptoms of high blood sugar (hyperglycemia) such as increased thirst or urination. Ask your doctor before changing your dose or medication schedule.

Call your doctor if your symptoms do not improve, or if they get worse.

Your treatment may also include diet, exercise, weight control, medical tests, and special medical care.

You may get dehydrated during prolonged illness. Call your doctor if you are sick with nausea, vomiting, or diarrhea, or if you eat or drink less than usual.

Each injection pen is for one use only. Throw away after one use, even if there is still medicine left inside. Use a puncture-proof "sharps" container. Follow state or local laws about how to dispose of this container. Keep it out of the reach of children and pets.

Store unopened injection pens in the original carton in a refrigerator, protected from light. Do not freeze or store it near the cooling element in a refrigerator. Throw away an injection pen that has been frozen.

You may store an unopened injection pen at room temperature in the original carton for up to 28 days. Throw away an injection pen kept at room temperature if you have not used it within 28 days.

What happens if I miss a dose?

Utilize the medication as soon as you can and after that go back to your normal routine. If your next dose schedules in much less than 2 days (48 hours), avoid the missed dose and return to your normal timetable. Do not utilize two dosages at once.

Call your doctor for instructions if you miss out on doses of semaglutide for 2 or more weeks.

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What happens if I overdose?

Look for emergency medical focus or call the Poisonous substance Help line at 1-800-222-1222.

Avoid injecting right into skin that hurts, wounded, hard, red, or in areas with scars or stretch marks.

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What other drugs will affect semaglutide?

Semaglutide can reduce your digestion, and it may take longer for your body to absorb any medications you take by mouth.

Tell your doctor concerning all your various other medicines, especially insulin or various other dental diabetic issues medicine.

Various other medications may affect semaglutide, including prescription and non-prescription medications, vitamins, and herbal items. Tell your physician about all other medicines you make use of.

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Common questions about Wegovy

Which GLP-1 drug is best for weight loss?
The most effective GLP-1 drug for weight loss currently (as of early 2026) is tirzepatide, marketed under the names Zepbound (for weight loss) and Mounjaro (for diabetes). Clinical trials and recent meta-analyses consistently show tirzepatide delivers the most substantial weight reduction among GLP-1 medications, with average losses of up to 22.5% of body weight. Continue reading
How do you switch from Wegovy or Zepbound to Foundayo?
Switching from Wegovy or Zepbound to Foundayo is generally possible, but it must be done under the close guidance of a clinician. These are long‑acting weight‑loss medicines with different dosing schedules. It is especially important to avoid taking Foundayo at the same time as another GLP‑1 medication because all of these medicines can cause overlapping gastrointestinal side effects. Continue reading
Wegovy vs Ozempic: Which is Right for You?
Both Wegovy and Ozempic contain the GLP-1 agonist semaglutide, but Wegovy is prescribed for long-term weight management and certain forms of liver disease, while Ozempic is used to control blood sugar in type 2 diabetes and help protect the heart and kidneys. They both lower the risk for heart-related complications, but differ in other approved uses and populations, side effects, dosage forms and costs. Continue reading
Tirzepatide vs semaglutide: How do they compare?
Semaglutide and tirzepatide are prescription medicines used for type 2 diabetes and long-term weight management. Semaglutide products include Ozempic, Rybelsus, Wegovy, and Wegovy HD, while tirzepatide products include Mounjaro and Zepbound. These medicines differ in dosing, approved uses, side effects, and cost, so discuss options with your healthcare provider. Continue reading
How long until I'll lose weight with Wegovy?
Wegovy and Wegovy HD take time to work, but you may see some weight loss results in the first 4 weeks of treatment. Weight loss for both the pill and injection may increase when you get closer to your full maintenance dose, usually after a few months. In studies, the average long-term weight loss with Wegovy was 35 to 39 lbs (16 to 17.7 kg) and about 21% of body weight with Wegovy HD. Continue reading
Do Ozempic, Wegovy, Mounjaro & Zepbound cause hair loss?
There’s no evidence that hair loss is a direct side effect of Ozempic, Wegovy, Mounjaro or Zepbound. Hair loss is more likely due to the stress of rapid weight loss on your body, which can lead to temporary shedding of hair over several months, a condition known as telogen effluvium. Continue reading
Zepbound vs Wegovy: What's the diference between them?
Zepbound and Wegovy are two FDA-approved weight loss medications with similar side effects. Research is ongoing to determine whether patients lose more weight with Zepbound or Wegovy. In clinical trials, adults taking Zepbound lost more weight compared to adults who took Wegovy. Continue reading
Can you get tirzepatide from a compounding pharmacy?
Tirzepatide cannot be legally compounded in a U.S. pharmacy at this time because it was removed from the FDA drug shortage list as of October 2, 2024. When drugs are in short supply, the FDA can allow temporary compounding of some medicines so that patients can access their treatments. Tirzepatide is now widely available as a prescription medicine made by Eli Lilly under the brands names Mounjaro (for type 2 diabetes) and Zepbound (for weight loss and sleep apnea). Continue reading
How much does semaglutide cost?
Semaglutide costs vary by product, dosage form, dose and insurance coverage. With commercial insurance, eligible patients may pay as little as $25 per month. Self-pay prices for Wegovy and Ozempic tablets and injections start at $149 per month. Eligible Medicare patients may pay $50 per month for Wegovy through the Medicare GLP-1 Bridge Program. Continue reading

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Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.