 [ Symptoms ] can you get tendinitis in your shoulders [ Disease ] currently the only safe over the counter medication for the treatment of headaches during pregnancy is tylenol acetaminophen make sure you are using a product that only contains tylenol acetaminophen and not other ingredients remember to follow the directions according to the labeled product or as your health care provider advises if this medication is not working consult your ob gyn to find a medication that is effective but still safe for your unborn baby