To some people, a small forex account is a $100 starting balance. To others, a $10,000 account is relatively small. Even $100,000 isn't huge compared to the fifty-million under management by the smaller end of hedge funds. But it's not the dollar balance that matters -- it's how much of it you risk, and most retail forex traders are just strolling on the train tracks of over-leveraging. Thankfully, there are ways to overcome this problem, and one might suit your personality or circumstance better than others.
It's true that having a small account balance can make trading far more difficult than it needs to be. Notice I said more difficult, not impossible...