Ligaments and tendons can tear or have pain if you take certain antibiotics. see your doctor...
You haven't put the symptoms down that you get, how old you are, whether you are male or female, and the circumstances leading to your symptoms or whether they came on suddenly.
For people to help you and give you some ideas so as to discuss this with your doctor for further investigation, you do really need to say the specific problems that YOU have. Although symptoms may appear to lead to a specific problem, that is not the case. For example tiredness may be due to lack of sleep, or having anaemia due to poor nutrition, depression, diabetes or simply from boredom.