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Weight loss injections/treatments

Discuss weight-loss injections and treatments, including personal experiences. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any treatments.

How easy is it to count clicks?

18 replies

han6729 · 19/03/2026 18:29

I’m starting to plateau now on 2.5mg mounjaro, I want to go to 5mg but nervous as I really struggled with side effects. I’m thinking of maybe getting a 5mg pen working my way up to 5mg, is it really as easy to do as they say? Any guidance?

OP posts:
han6729 · 19/03/2026 18:39

Sorry I know the clicking won’t be hard, but more the accuracy of knowing what’s going in etc!

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SilenceInside · 19/03/2026 19:02

Yes it’s straightforward, I did similar when I went from 5mg to 7.5mg.

Turning the pen to the 1 position is 60 clicks, which gives you the standard 0.6ml full dose from whatever strength pen you have. So from a 5mg pen, doing 30 clicks would give you a 2.5mg dose. You just have to count each click carefully. The pen markings will help you to keep track, and when you get to 30 you can use a sharpie to make a mark on the barrel of the pen so you don’t have to count next time. You then just inject as normal.

Doing 45 clicks would be a 3.75mg dose from a 5mg pen, and so on.

JabbaJibba · 19/03/2026 19:02

I've counted clicks since December. I count once, double check and then mark with a pen, so that I don't need to count each time. Currently taking 3.75 from a 5 pen.

PearlsTeapot · 19/03/2026 20:15

Counting clicks is easy. I count out loud so I dont lose my place. I've never marked the pen but that's a good idea! I've gone from 2.5 to 5 over 2 months.

WappityWabbit · 19/03/2026 21:44

I’ve been taking 3.5mg from a 5mg pen by counting 42 clicks.

If you plan on staying on that dose for the duration of your pen, mark the line with a sharpie then twist the pen to that line the following week.
It’s easy enough to do.

morbidcuriosity · 19/03/2026 22:45

Very easy. Just go slow and count.. you will be fine. Lots of charts to tell you the amount if you just google it.
Click counting mounjaro.

Lovesabadboy · 20/03/2026 00:23

han6729 · 19/03/2026 18:29

I’m starting to plateau now on 2.5mg mounjaro, I want to go to 5mg but nervous as I really struggled with side effects. I’m thinking of maybe getting a 5mg pen working my way up to 5mg, is it really as easy to do as they say? Any guidance?

I could have written this and have, just today, started thinking about increasing slowly up to 5mg.

I have been on 2.5mg since October 25 and have lost 3 stone, but I am definitely getting the nibbles back and thinking about food more again.

Unlike you, I haven't had any side effects on 2.5mg, but have read that the jump up to 5mg can be quite difficult for some people so I am a bit worried about side effects and would rather titrate up slowly.

IsItSnowing · 20/03/2026 09:31

Counting clicks is easy enough. I just make sure I'm somewhere quiet so I don't get distracted. Otherwise I end up losing track and having to count again especially if it's a lot of clicks.
I've done both way, using a 10mg pen for 12.5mg so doing extra clicks. And also using a 15mg pen for 12.5mg so doing less clicks. No need to waste a pen, they are too expensive.

YesssSpringHasSprung · 22/03/2026 07:09

Does anyone have a chart with click numbers please?

SilenceInside · 22/03/2026 08:09

@YesssSpringHasSprung You don’t need a chart, it’s just a very straightforward calculation.

(dose you want in mg / pen strength in mg) x 60

That’s all it is. So if you want 3.75mg from a 5mg pen, it would be (3.75 / 5) x 60, which gives you 45 clicks.

YesssSpringHasSprung · 22/03/2026 08:53

SilenceInside · 22/03/2026 08:09

@YesssSpringHasSprung You don’t need a chart, it’s just a very straightforward calculation.

(dose you want in mg / pen strength in mg) x 60

That’s all it is. So if you want 3.75mg from a 5mg pen, it would be (3.75 / 5) x 60, which gives you 45 clicks.

Thanks - am bloody horrendous at maths!

han6729 · 22/03/2026 09:23

Thanks all. I’ve ordered my 5mg pen which will be here this week. I have 2 x 2.5mg doses left (one is golden dose) but I am tempted to just give myself 5mg next week and see how I go as I don’t have any plans next weekend!

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Diddlydoowap · 24/03/2026 16:38

I want to get a 3.75 dose from my 2.5 pen which is 90 clicks. Can I click past the '1' and get the full 90 clicks in one go, or do I have to do 60 + 30 (and change needle?)

SilenceInside · 24/03/2026 16:40

Diddlydoowap · 24/03/2026 16:38

I want to get a 3.75 dose from my 2.5 pen which is 90 clicks. Can I click past the '1' and get the full 90 clicks in one go, or do I have to do 60 + 30 (and change needle?)

No, the pen does not turn past the 1 position, so you would need to do a 60 then a 30, as you say.

han6729 · 24/03/2026 16:43

D day tomorrow. Very tempted to just have a go at 5mg.

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YesssSpringHasSprung · 31/03/2026 21:41

han6729 · 24/03/2026 16:43

D day tomorrow. Very tempted to just have a go at 5mg.

I did that then spent the week vomiting - I’d go up slowly.

han6729 · 31/03/2026 21:45

I did 3.75mg and felt absolutely nothing! I haven’t weighed in a couple of weeks, I’m doing so tomorrow, if I’ve not moved I’m going for 5.

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