 [ Symptoms ] i have my period every 22days and i have not had period but having light brownish or light red discharge when i wipe i am only seeing brownish discharge or light red or pink but only when i wipe and i have not had a period and i have my periods every 22 days apart and its almost 28 days what should i do could i be pregnant [ 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