There is really no need to be worried about giving yourself an injection - the device Biogen use to inject Plegridy is one of the most user friendly and painless of all (I’ve been doing it for three years now without a hitch). Just follow the instructions given to you by both your MS team and the leaflet contained in your starter pack and you’ll be absolutely fine.
There are some side effects to begin with - mainly having a bit of a temperature, feeling stiff and/or as if you are coming down with the flu. You may or may not get a nasty headache to go with it. It can also leave you feeling a bit down in the dumps ( no one has any idea why this is), but these side effects do go away with time. I tend to give my injection to myself on a Friday night so that if there are any hiccups like the ones I’ve described, I’ve got a couple of days to get over it. And once its over, its over for a fortnight!! ( hurrah!).
The best thing to do about these side effects is to take a couple of paracetamol an hour or so before you give the injection just to keep your temperature and flu like symptoms down. For myself, I tend to take paracetamol just as I’m going to bed because I find that works better for me.
Unfortunately, the injection site reactions do persist and take the form of rather ugly red splotches that take some time to fade. Just remember to rotate your injection sites, and, if you are as vain as me, give it to yourself where no one can see the reaction - just below the belly button tops of the legs and arms and so forth.
There are many different things you can do to ease the reactions - which can get a bit itchy as they heal - from placing an ice pack ( wrapped in a towel) on to your injection site for ten minutes just before you give it, to using tattoo gel vitamin k cream or arnica cream to soothe them if they are uncomfortable. For my part, I’ve only ever found them unsightly, rather than truly problematic. Perhaps other users will have a different tale to tell and different suggestions as to how to go about coping with them.
I’ve never experienced a faster heart rate after giving the injection - but again, that’s only my experience. It may be that a faster heart rate is due to feeling nervous about giving the injection?
Hope all goes well for you - if you have any other questions, just ask!