I've had to end my Mounjaro journey earlier than planned due to side effects. I had taken it for 13 weeks, moving up a dose each pen from 2.5mg, 5mg, 7.5mg and 10mg, and was on a steady losing streak of 1 or 2 lb loss each week, with a total loss of 21lb, calorie-counting approx 1500 calories/day which I am pleased with.
However, I started to experience side-effects from around week 9-10, first a chill, felt especially felt in the evenings, which did not really bother me as I took myself off to bed early to read and keep cosy under the duvet. This passed, and from week 10-11 my skin started to itch all over my torso and limbs, again I felt this more in the evenings, but it worsened and I started waking up due to the itchy sensation in the night and it was affecting my sleep and rest. I first took to my local pharmacy who advised taking anti-histamines (I took both the daily and 4x a day tablets), plus creams had no effect. I also referred to my GP and Voy clinicians, who advised me to reduce or stop the injections, so I took a reduced dose of 5mg when I started by 10mg pen (by counting the clicks method). Itching continued and I have stopped Mounjaro about 10 days ago. The itching is still going on, although not as bad.
Itching is noted in the leaflets as a rare side-effect, and although I can't be 100% sure it is due to Mounjaro, I have ruled out other likely causes such as laundry detergent, bed lice (urgh!) and insect bites. I'm curious if anyone else has experienced this side effect, as being hypersensitive to Mounjaro? With hindsight, I think I should not have increased my dose with each pen to let my body get used to the drug more slowly, and not have ignored the chill effect that I had for the 2 weeks prior to itching started. If the itching does disappear completely I'd like to go back and try again, maybe first with a low dose of Mounjaro or switch to an alternative like Wegovy, as I am still just over 30 BMI and would like to lose 2 stone more. However, I have benefitted from establishing better eating habits, which I am maintaining (mostly) and have managed not to put on any more weight in the short time since I've stopped. I've also logged the side effects on Yellow Card, as all medical advisors I have spoken to noted that this drug is still really in the early stages of widespread use.
The main reason for my post is to help fellow users stay informed of rarer side effects, and hopefully address them sooner than I did. I have read of so many successful weight losses here, it is inspirational, so do wish to support fellow users, but with a greater awareness and understanding.