CNL Medical · Patient Education
Your Complete
Guide to Wegovy for
Weight Loss
You’re taking a meaningful step toward a healthier you. Here’s everything you need to know about your new medication — written in plain English, at your own pace.
Overview
What Is Wegovy (Semaglutide)?
Wegovy is an FDA-approved injectable medication used for long-term weight management in adults. It’s prescribed alongside a reduced-calorie diet and increased physical activity — not as a replacement for them.
Wegovy belongs to a class of medications called GLP-1 receptor agonists. It contains semaglutide — the same active ingredient found in Ozempic, which is used for Type 2 diabetes — but Wegovy is specifically approved and dosed for chronic weight management. It has also been approved to reduce the risk of serious cardiovascular events in adults with obesity or overweight who have established heart disease.
It is administered as a once-weekly injection. Your CNL Medical provider will guide your dosing and monitor your progress every step of the way.
Drug Facts
Mechanism
How Does Wegovy Work?
Your gut naturally produces a hormone called GLP-1 after you eat, which signals your brain that you’re full and helps regulate blood sugar. In people who struggle with weight management, these signals are often too weak or too short-lived to be effective.
Wegovy works by mimicking GLP-1. It binds to GLP-1 receptors in your brain and digestive system, significantly reducing appetite, slowing stomach emptying, and helping you feel satisfied with less food.
The result? You feel fuller faster, stay satisfied longer, and experience fewer cravings throughout the day. Unlike older weight-loss medications that relied on stimulants, Wegovy works with your body’s own hormonal pathways — making weight loss feel more natural and sustainable over time.
Wegovy targets only the GLP-1 pathway. Medications like Zepbound (tirzepatide) add a second pathway (GIP), which is why results can differ between the two — your CNL Medical provider can help you understand which option is the best fit for you.
What to Expect
When Will I Start Seeing Results?
Everyone responds a little differently, but here is a general timeline of what most patients experience:
Hours
Medication begins working in your system
Days
Appetite changes may begin to feel noticeable
Weeks 2–4
Initial weight loss typically begins
Months 3–6
Full effect and meaningful results
A Note on Patience
The first 4 weeks use the 0.25 mg starter dose — designed to help your body adjust, not to maximize weight loss yet. Wegovy’s full benefit builds steadily over several months. Clinical trials showed the most significant results at 68 weeks of consistent use. Be patient with the process.
Side Effects
What to Know About Side Effects
Most side effects are digestive and tend to be mild to moderate. They are most common when you first start the medication or after a dose increase, and they typically improve within a few weeks as your body adjusts.
Common Side Effects
- Nausea (44% of patients)
- Diarrhea (30%)
- Vomiting (24%)
- Constipation (24%)
- Stomach pain (20%)
- Headache (14%)
- Fatigue (11%)
- Indigestion / heartburn (9%)
Less Common Side Effects
- Injection site reactions (redness, bruising, itching)
- Dizziness
- Burping or excessive gas
- Bloating or acid reflux
- Temporary hair loss
- Slightly elevated heart rate
- Low blood sugar (especially with diabetes medications)
Contact Us or Seek Care Immediately If You Experience
- Severe stomach pain that spreads to your back (possible pancreatitis)
- Gallbladder symptoms — upper stomach pain, fever, nausea
- Serious allergic reaction — hives, swelling of face or throat, difficulty breathing
- A lump or swelling in your neck, hoarseness, or trouble swallowing
- Signs of kidney problems — decreased urination, swelling in ankles or feet
- Vision changes or worsening diabetic eye disease
At a Glance
Pros & Cons of Wegovy
Advantages
- Only one injection per week — easy to maintain
- Take any time of day, with or without food
- Also approved to reduce cardiovascular risk in certain patients
- Backed by extensive STEP clinical trial data
- Available in multiple doses for gradual titration
- Now also available as a once-daily tablet (Wegovy HD)
Considerations
- Requires a weekly self-injection under the skin
- GI side effects are common in the early weeks
- Cannot be combined with other GLP-1 medications
- Must be kept refrigerated
- Should be stopped 2 months before planned pregnancy
Dosing Protocol
Your Dosage Schedule
Wegovy is always started at a low dose and increased gradually every 4 weeks. This slow ramp-up minimizes side effects and lets your body adjust comfortably. Never skip ahead to a higher dose without speaking to us first.
Common Questions
Frequently Asked Questions
Safety
Important Safety Information
Please review the following before starting Wegovy. If any of these apply to you and you haven’t already told us, contact us right away.
Thyroid Cancer Risk
Do not use Wegovy if you or a family member has a history of medullary thyroid cancer (MTC) or MEN 2. Contact us if you notice a lump in your neck, hoarseness, or difficulty swallowing.
Pancreatitis
Stop taking Wegovy and contact us immediately if you experience severe stomach pain — especially pain that radiates to your back — along with nausea or vomiting.
Gallbladder Disease
Wegovy has been associated with gallbladder problems including gallstones. Tell us if you experience pain in your upper right abdomen, fever, or jaundice (yellowing of skin or eyes).
Kidney Problems
Dehydration from GI side effects can stress your kidneys. Stay well hydrated. Let us know if you notice decreased urination, swelling in your hands or feet, or unusual fatigue.
Vision Changes
If you have Type 2 diabetes, Wegovy may cause or worsen diabetic retinopathy. Report any sudden vision changes to us or your eye doctor promptly.
Low Blood Sugar
If you’re taking insulin or sulfonylureas alongside Wegovy, your risk of low blood sugar increases. Know the signs: shakiness, sweating, dizziness, rapid heartbeat, confusion.
Surgical Procedures
If you have any planned surgery requiring anesthesia, tell your medical team you are taking Wegovy. Because it slows stomach emptying, food may remain in your stomach even after fasting.
Pregnancy
Wegovy may harm your unborn baby. Stop using it at least 2 months before a planned pregnancy. If you become pregnant while taking Wegovy, contact us immediately.
Do Not Share Your Medication
Never share your Wegovy with anyone. Sharing injectable medications can spread bloodborne infections. Always dispose of used supplies in a proper sharps container.
We’re Here for You
Questions About Your Treatment?
Our team is available seven days a week, 9am to 9pm. Never hesitate to reach out — no question is too small.
This page is for informational purposes only and does not constitute medical advice. Always follow the guidance of your CNL Medical provider regarding your specific treatment plan.