INFLUENZA (the Flu) The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. It can cause mild to severe illness and at times can lead to death. The best way to prevent the flu is by getting a flu vaccine each year. FLU BASICS â¢ General Flu Facts â¢ Cold vs Flu
Hyzaar. Do not use this medicine if you have had an allergic reaction to losartan, hydrochlorothiazide, or a sulfonamide (sulfa drug). Do not use this medicine if you are pregnant or you are not able to urinate. Do not use this medicine together with aliskiren (TekturnaÂ®) if you have diabetes or severe kidney disease.
Other medications that may cause a reaction. Other types of sulfa medications may trigger a reaction in some people who have a sulfa allergy: 1  Sulfasalazine (Azulfidine), used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis.2  Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia.ther types of sulfa medications may trigger a reaction in some people who have a sulfa allergy: 1  Sulfasalazine (Azulfidine), used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis. 2  Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia.