Do I have iPhone thumb or repetitive strain injury?

My thumbs have really been hurting for a few months now, maybe about four at the least. It's like a dull and achy pain centered around the ball of my thumbs and they both click CONSTANTLY. More or less every time I move my thumb and if I try my hardest not to let them click, they get so stiff and really hurt.
In the mornings I've been waking up with them being very stiff and aching as well.
I have an iPhone and have had it for nearly 2 years and I've never had any thumb problems before it…
I use it quite a lot - I sent about 5000 texts a months if that gives you an indication! I'm never really off it to be honest - I have the Facebook, tumblr and twitter apps so yeah, constantly on it.
Is there a link between the two? And is there any way to stop the pain that wouldn't involve me cutting down my use?

Using the iPhone or iPad can cause RSI. I have RSI from working behind the computer a lot but using the iPhone or iPad a lot can also give me pain. I can give you two tips:

1. Cutting down your use as you already figured out yourself
2. Keep your blood flow, going by doing exercises. Try and find some dumbells and train your muscles. Believe me, working out helps.

If you need more info or advice, visit:

www.rsi-forum.com
www.what-is-rsi.com

Post your question on the forum and you'll probably get a better advice than I just gave you.

All the best!

Hi
There's a good chance that you iphone has caused this.

RSI can go away but the major thing you need to do is rest your hand. Once the symptoms have gone you will need to alter the way you use your phone. Also the amount you use it.

Take regular breaks and perform stretches before and after use will prepare your muscles and joints and help them recover. If you are suffering in one thumb, try alternating fingers and thumbs when using.

If you don't address this your issues will increase and you will run the risk of doing permanent damage.

Hope this helps