 [ Symptoms ] i have had an ear ache for over 24 hours i actually cried myself to sleep last night from the sharp pain please help  things tried ibuprofen did nothing at all benadryl also did nothing at all hot cloth  hot shower no relief hyland is eardrops nothing [ Disease ] if you have a true allergy to sulfa medications then lasix may not be for you it does contain sulfa product if you have difficulty breathing or your airways feel like they are closing off or a rash has developed specifically on the trunk of the body then you should stop taking this medication immediately and consult with your pharmacist and health care provider it is important to differentiate between allergies to medications and side effects if you have experienced intolerable side effects to medications containing sulfa products that does not mean you are allergic work with you local pharmacist and physician to re evaluate this situation and to make sure you are taking medication that is appropriate for you