Most side effects (nausea, some stomach upset, fatigue, mild reactions at the injection site) are common. Side effects that tend to be most noticeable when you start or step up a dose, and usually settle on their own. Feeling completely fine is just as normal, and doesn't mean the treatment isn't working.
If you are experiencing side effects we can support you. We can talk you through simple, practical steps for the common ones (small frequent meals, staying hydrated, rotating injection sites), but a few symptoms need urgent attention rather than home management: severe stomach pain that may spread to your back, or signs of a severe allergic reaction like difficulty breathing or facial swelling, should mean calling 999 or going to A&E straightaway. Anything else that feels wrong or out of the ordinary is always worth telling us about.