Yes you can. Louis seems to have his molars coming through (albeit v. slowly) and his lower gums have great bumps all along them atm. Some nights he definitely needs something, I give him calpol or baby ibuprofen. Sometimes I'll put some liquid anbesol on his gums too, I don't use any other teething gels as they don't do anything for him. I've also used it on my wisdom tooth which is emerging x x