Zepbound and Fatigue: What Users Say

• DRo...
• Taken for 1 to 6 months
• February 8, 2025

For Weight Loss (Obesity/Overweight) "I started on Zepbound 2.5 back in Dec 2024. No major issues in the beginning. It definitely helps control your appetite, and you feel sick if you eat too much. After going to 5.0, I got a little more nauseated and started noticing more dizziness, lightheadedness, and fatigue. But I was losing the weight, so I just kept going. After going to 7.5, that's when my horror stories started. I have taken only two doses but am stopping this stuff altogether. It has truly caused me extreme dizziness, shortness of breath, fatigue, terrible stomach pains, and diarrhea that won't stop. I have lost 37 pounds... great... but the suffering and pain that comes with this medicine... no thanks. I'd rather be a little overweight and be happy than the constant nausea, stomach pain, and diarrhea. Best of luck to you all, but I'm going to accept me for me."

• Xer...
• Taken for 1 to 6 months
• May 21, 2025

For Weight Loss (Obesity/Overweight) "Second review. I'm male, 75 years old. Began taking 2.5 mg on January 12, 2025. Today is May 21, 2025. Weight dropped from 268 to 232.5 (35.5 lbs). Went to 10 mg on May 8. Took 2 weekly 10.0 doses in that time period. Suddenly, explosive diarrhea, sulfur burps, nausea, and fatigue began May 18. My PA has advised not taking my 10.0 injection tomorrow (my regular day). Think I may need to drop back to 7.5 — had no side effects at that level (or at 2.5 or 5.0). Had already decided not to go to 12.5 because I have a friend who was fine on 10.0 but encountered major side effects at 12.5. Still, even 10.0 may not be right for me. The weight loss is stunning; haven't been at this level in over five years — but for a BMI of 25, I still have over 70 lbs to go, so I don't want to abandon Zepbound altogether. It may take longer to get there, but that's fine if it means I can avoid side effects."

• Krg...
• Taken for less than 1 month
• February 4, 2025

"Follow Up: I am currently on day 11 of Zepbound 2.5 mg. As of this morning, I have lost 11.73 lbs. Daily, I documented how I felt and symptoms. The first 24 hours of injection #1, I had extreme fatigue, normal appetite, and a whole lot of belching. Day 2, belching, less hungry, no other symptoms. Day 3, I had no appetite, no other symptoms. Day 4, less than normal appetite, no other symptoms . Days 3 and 4 have just been repetitive. I have had no negative side effects, BUT I also have made sure to eat high-protein foods for every meal, even on the days I had no appetite, nothing greasy (thinking about it turns my stomach), no high-sugar foods. As of today, I’d say; if you work with the medication, the medication will work with you. Update you in a couple of weeks."

• Ano...
• Taken for 1 to 6 months
• May 28, 2025

For Weight Loss (Obesity/Overweight) "I love Zepbound. I was on Wegovy prior to switching to Zepbound and lost 20 pounds in 6 months. I was nauseous, fatigued, and dizzy for 3-4 days after taking my shot. However, on the Zepbound, I have no side effects other than slight pain at the injection site for 2-3 minutes after I take my shot. After switching to Zepbound, I lost another 20 pounds in just 3 months."

• Lis...
• Taken for less than 1 month
• May 19, 2025

For Weight Loss (Obesity/Overweight) "I just started taking Zepbound for less than a week now. I am 5 days in. I have not had any major side effects. I have felt very little nausea at times. I had a very mild tummy ache a couple of times. I felt a little dizzy the first day and then nothing after that. I felt very fatigued the third day but have been good since. I have lost 4 lbs so far. I am 5' 2" and weighed 161. I am down to 157 as of today (5th day). My goal is 130 at least. I don't feel hungry. I don't think about snacking. I forget to eat most of the time because I am not hungry. I have to remind myself to eat something. I eat very small portions and feel satisfied. I am loving this! I do recommend it to anyone wanting to lose weight."

• Dee...
• Taken for 1 to 6 months
• April 6, 2025

For Weight Loss (Obesity/Overweight) "I started in January and have moved doses up monthly. This morning I took my 4th 7.5 mg dose. I did have a 2.5 mg pen malfunction and moved up to 5 a week early. I've been losing 1-3 pounds a week, for a total today of 28 lb loss. My goal is to lose 50. As far as side effects, they really aren't too bad for me. Daily Colace helps any constipation, which has not been much of an issue anyway. Occasional nausea is fleeting and is helped with Coke One. I know some are against drinking soda, but Coke One does not have sugar and has been my nausea cure for as long as it's been on the market. My appetite is diminished, but not gone. I've changed my eating pattern to several small, healthy mini-meals during the day instead of 3 'regular' meals. Zero cravings for junk food or much snacking at all. Part, I'm sure, is that I'm keeping those mini meals full of protein and vegetables. The only real issue that I've had is fatigue. It hits about an hour after the shot and lasts about 36 h."

• 2go...
• Taken for 1 to 6 months
• July 16, 2025

For Weight Loss (Obesity/Overweight) "On week 5 of Zep. Goal to lose 20-25 lbs. Received a 2.5 mg 'loading' dose, I split it into 1.25 doses 3 days apart for the first 2 weeks as I tend to react strongly to meds. I had a bit of anxiety and fatigue on this dose and appetite suppression that waned by week 2, so I increased to 2.5 in one shot for weeks 3 and 4. Less anxiety/fatigue but more nausea and constipation, still manageable. I received a 5 mg dose in the mail at week 4 but had already lost 15 lbs on the 2.5 dose for 4 weeks. Week 5 - I tried the 5 mg. The next day, I was so sick to my stomach and nauseous that I struggled to eat or drink at all. I was dizzy and felt terrible, depressed, and kept getting the long bouts of hiccups. I will be at goal soon and plan to switch to metformin to maintain weight. For me, this med is miraculous, but I do not feel great on it. (For reference - I have a mental health diagnosis and pre-existing mild gastrointestinal issues, MTHFR gene variant)"

• Mil...
• Taken for 6 months to 1 year
• December 1, 2024

For Weight Loss (Obesity/Overweight) "I started Zepbound in April 2024 at 193 lbs. It’s December 2024, I’m now 140 lbs. I have stayed at the 10 mg dose for almost 3 months now, as I am trying to tone my body since I lost 50 lbs fast. The side effects suck when I go up a dose, but my body adjusts after 4 weeks, so it’s been great. I have noticed that I wake up with hunger pains now, but my plan is to get used to them again before I start weaning off the drug. Side effects for me include headaches and fatigue. It’s not that bad after a while, the main thing is being strategic and proactive about getting your fiber, protein, and water in. I haven’t been to the gym since I started the 10 mg, and I’ve slowed down on the weight loss (which I’m okay with). I like 140, I’m just trying to tone now, so when I wean off, it won’t all come back. I’ll update you guys in a couple of months."

• Ano...
• Taken for 1 to 6 months
• May 14, 2025

For Weight Loss (Obesity/Overweight) "I started on Friday, March 21, and had no side effects for the first two weeks. Then I overate cheesy pasta and had severe diarrhea. The next 10 days, I had three more episodes of diarrhea and vomiting. And severe fatigue. I was not able to continue my exercise routine as often as usual. The fatigue after minimal activity was interfering with my life. I cannot walk more than a few blocks. I stopped the injections three weeks ago, and for the most part, I have intermittent fatigue. It apparently takes about 25 days for the med to be out of the system. I lost 9 pounds after the first 3 or 4 weeks and have not gained them back. I didn't have quite the same separation of thoughts of food as I had expected. Hopefully, only another week or two to get my energy back."

• On...
• Taken for less than 1 month
• February 18, 2025

For Weight Loss (Obesity/Overweight) "With the initial injection of 2.5 taken before bed. I woke up with painful, swollen neck lymph nodes and extreme fatigue. The next day, the swollen lymph nodes seemed to have moved down, now in the chest/armpit area. On the 3rd day, one of my knees is swollen and horribly painful. I have absolutely never had any knee issues prior to the injection. If I get nauseous, drinking more water helps. At this start of the med, continuing is definitely not worth it."

• Kat...
• Taken for 6 months to 1 year
• July 11, 2024

For Weight Loss (Obesity/Overweight) "Zepbound (tirzepatide) is amazing - if you are not losing much on semaglutide, see if your doctor will let you try tirzepatide. I’ve been on Zepbound seven months and I’m down 55 pounds. Took 2.5mg the first month and then spent 5 months on 5mg. Just moved up to 7.5mg this month and it has totally killed my appetite. Main side effect for me is fatigue, especially the day of the shot and the next couple of days. I plan to stay on 7.5 until I reach my goal weight and then go on maintenance. I will have to keep taking it - otherwise it is likely I will gain all the weight back. Yes, it is expensive but worth it."

• Hed...
• Taken for 1 to 2 years
• July 15, 2025

For Weight Loss (Obesity/Overweight) "I love Zepbound as it is the only thing that has helped me lose weight easily. After reading the reviews on here, my approach has been somewhat different as I refused to give up any foods or alcohol as that isn't real life for me. I walk 4 miles a day but haven't done real cardio or weight lifting very often so that is next. I have been on it for 13 months and started at 190 and am at 152, which is less than my high school weight/5'6'' and was a college athlete, so a very muscular type build. I am ecstatic at this weight but scared to go off Zepbound as I can control my food addictions with it and don't eat 2000 calories at midnight anymore. I get full very quickly so I am eating way less than my old norm of 4000 calories a day. :-) I am at 12.5 mg and the side effects I have had are mostly fatigue and my hair breaking off. At first, I had nausea and injection site swelling, but that went away after the first month."

• Phi...
• Taken for less than 1 month
• June 21, 2025

For Weight Loss (Obesity/Overweight) "Only two weeks into it (2nd shot) but working, do not feel hungry, eat small portions and eating because I know I need to. Do have to take a laxative as I get constipated, day after shot do feel some fatigue and take a nap in the afternoon."

• Ano...
• Taken for 1 to 6 months
• July 9, 2025

For Weight Loss (Obesity/Overweight) "So far the experience for me has been difficult. The weight loss is slow but pretty much steady. I’m experiencing nausea, stomach pain, and fatigue. I’m still trying to stick it out, hoping that it will subside."

• Day...
• Taken for less than 1 month
• February 2, 2025

For Weight Loss (Obesity/Overweight) "Flu-like symptoms, nausea, discomfort after eating anything. Broth has been my go-to. Very fatigued. Hoping week 2 will be better. Today is day 7. No appetite, no energy. There's not an option for maybe. One week isn’t enough time to give recommendations."

• Lis...
• Taken for 6 months to 1 year
• March 29, 2025

For Weight Loss (Obesity/Overweight) "Best method for weight loss and keeping the weight off. I've lost over 100 lbs and am finally comfortable in my skin again. When you change mg dosage, fatigue could be concerning, and it does happen. Working out helps, making sure you stay hydrated, and working out was the biggest help for me. I did have constipation, and it was managed. I did have hair thinning and started taking Nutrafol. I've struggled with my weight my entire life. Not anymore. I wish we could add photos, but we can't. Portion food sizes of what you can eat are minimized. The sugar cravings were gone. Not only did those cravings disappear, but so did the cravings for food that your body turns to sugar. For example, I haven't eaten a potato chip in over 7 months. No desire for breads, mayo, Miracle Whip, and numerous other things. I FEEL so much better. It is costly, but so is poor health and obesity. I wish big pharma would realize how many Americans struggle with obesity and cover this through insurance."

• Lis...
• Taken for 1 to 6 months
• March 5, 2025

For Weight Loss (Obesity/Overweight) "My experience is a lot better than I was expecting. I'm on the 2.5 mg a week. So far, the side effects are manageable. I barely get nauseous, but the constipation is real. I really like the once-a-week dosage because I don't particularly care for needles. My weight loss is slow, mainly due to a lack of working out. I'm extremely fatigued and just want to rest. The fatigue hits me early in the morning and late in the afternoon. Stay hydrated!"

• Pro...
• Taken for 6 months to 1 year
• February 25, 2025

For Weight Loss (Obesity/Overweight) "I’ve been on Zepbound since 8/1/24 (305 lbs, 5’6). So far, I lost 65 lbs, I’m 45 lbs away from my goal. My current dose is 10 mg. I experience side effects within 24 hours of injection administration, ranging from nausea, vomiting, belching, diarrhea, abdominal pain, fatigue, and dizziness. The side effects last about 24-36 hours. The medication definitely decreases my appetite and cravings. My doctor stopped my BP medication as I continue losing weight and my BP readings are good. My husband has noticed that I stopped snoring, lol. My plan is to reach my weight goal and stop the medication. I have changed my relationship with food. I look at food more as fuel for my body instead of indulging and overeating. I also introduced portion control and exercise, mostly walking and swimming. My insurance covers the medication."

• agm...
• Taken for 1 to 6 months
• December 18, 2024

For Weight Loss (Obesity/Overweight) "I have been on Zepbound for 16 weeks. I have lost 23 lb. I am a 6'3" 74-year-old man. I wanted a kick start to get to my goal, which I am at. Except for three weeks at 5 mg, I have been on 2.5 and am now after a brief go at 5 mg. My experience has been generally acceptable, but nausea and fatigue are a real challenge. No vomiting or diarrhea. I have had some acid reflux. The key has been to eat good clean food and stay away from fried or greasy. I have reduced my alcohol intake, but they are empty calories, and why do it? It just makes it tougher. The reason I drink some is usually social, but I have found it easier to abstain than I expected. Here's the deal: I think people lose weight on these drugs because they don't want to get sick and choose to behave and stay at a calorie deficit, and bingo, the math kicks in. It's not rocket science. I have taken a week off while on an overseas trip. Again, I didn't want to get sick. I am about to take another week off."

• 215...
• Taken for 1 to 6 months
• November 11, 2024

For Weight Loss (Obesity/Overweight) "First things first. I'm a 40-year-old woman. My height is 5'9", and my starting weight was 214. During my first month on Zepbound 2.5 mg, I experienced fatigue, dry mouth, and slight constipation. I'm on my second month dosage of 5 mg now, and I'm experiencing nausea and migraines. This is my sixth injection, and the weight fell off during the first month, and now I'm at a standstill. I'm weighing in at 195 for the last 2 weeks. During my first month, I had no carbs at all. I made sure I had at least 120 g of protein a day, and I weight trained four times a week, getting my goal of 10,000 steps a day. I haven't kept that same training routine these past two weeks, which is why I probably haven't lost any weight. I'd say the medicine really works. I'm not looking to stay on long-term. Since I hit 40, I've struggled with weight, perimenopause, etc. This has been a game changer."

• Mk6...
• Taken for 1 to 6 months
• March 10, 2025

For Weight Loss (Obesity/Overweight) "I started in January 2025 with the 2.5 dose. For the first two weeks, I experienced nausea and diarrhea off and on. For the last two weeks, I was fine. I am on my second week of 5 mg. The first week, I was so sick - I take the shot late Friday afternoon - I was in bed most of the day on Saturday with nausea and fatigue. I did vomit once. Sunday was the same. The rest of the week, I felt fine. Second shot last Friday - I was okay on Saturday - able to function but very nauseous. Woke up on Sunday and spent most of the day in bed due to nausea and fatigue. The anti-nausea medicine helps but not so much for me. Today I am functioning with some nausea. The benefits of this drug are obvious. I don't eat as much as I did before the medicine. I've lost 16 lbs so far. The nausea bothers me. I should be able to function and not get sick every weekend after a shot. I no longer have diarrhea - I am constipated instead. When I take Miralax, I cannot think about it or I get sick."

• Ano...
• Taken for 1 to 6 months
• July 17, 2025

For Weight Loss (Obesity/Overweight) "I have lost 20 lbs in 3 1/2 months on Zepbound taking 2.5, 5.0, and 7.5 mg so far as per plan and dosage increases. I plan to use 5 mg for maintenance dosage now that I am almost at my goal weight. It is very simple to use. I had some GERD, nausea, and adjustments to make with certain foods, but that subsided after the first few months. You definitely cannot overeat as you will not feel well. The exhaustion and body aches are what bother me the most. For the first 3 days after an injection, I am so tired that it impacts what I can get done in a day, including energy to exercise and do my job during the day. I am sleeping okay with it, but the fatigue is almost debilitating."

• Mor...
• Taken for less than 1 month
• July 21, 2025

For Weight Loss (Obesity/Overweight) "So far, so good. I am suffering from the nauseated feeling, burping, fatigue, and muscle cramps. I'm at 2.5 level, week 3. I'm definitely eating a lot less."

• kin...
• Taken for 1 to 6 months
• May 19, 2025

For Obstructive Sleep Apnea/Hypopnea Syndrome "Caused diarrhea, fatigue, kidney problems on lowest dosage for 4 months."

• Ano...
• Taken for less than 1 month
• May 14, 2025

For Weight Loss (Obesity/Overweight) "I have lost 14 lbs in 4 weeks. Extreme fatigue and a little nausea. A little shortness of breath when walking. Feeling weak."