Get them examined , in some Diseases you may get sudden spurts in mole no and Growth , a good dermatologist can help you in this . You are most welcome in case you need any help at our. Linux in janak Puri where you can meet dr.suruchi Puri with a vast experience in this field . In case you want them to be removed with latest technology and lasers that also can be done at the clinic . As such there is no medicine to stop them and most of the time they may follow hereditary prediction. Take care u can visit our website also www.drsuruchipurimakeovers.com. You can meet the best mole removal doctor in delhi .