Diovan and Sulfa Allergies

People who are prone to allergic reactions such as drug allergies and food allergies should know as much as they can about allergies. Allergic reactions might be mild but in some cases, it can be life threatening. Hence, it is important to be aware of the different allergy causes, signs and symptoms, treatment and prevention. People can develop allergic reactions to all kinds of drugs. Diovan and sulfa allergies are among the common drug allergies.

What is sulfa allergy?

Sulfa allergy is a general term used to refer to the adverse drug reaction to drugs specifically antibiotics which contain sulfonamides. Drugs with sulfonamide usually have brand and generic names which start with ‘sulfa’ or ‘sul’. Some of the drugs which have sulfonamides are erythromycin-sulfisoxazole, sulfamethoxazole and trimethoprim-sulfamethoxazole (Bactrim, Septra). Aside from these three, people who have diovan and sulfa allergies should also avoid sulfasalazine (Azulfidine) and dapsone. Diuretics such as furosemide (lasix) and hydrochlorothiazide (Microzide), blood pressure medication such as Valsartan (diovan) and drugs for diabetes such as glimepiride (Amaryl) are also related to sulfonamides. These drugs can also cause allergic reactions because of their relation to sulfonamides although in some cases, some people do not necessarily develop any allergic reactions to them. To be safe, consult your doctor before taking any these drugs.

Signs and Symptoms

The signs and symptoms of diovan and sulfa allergies are the same as that of other allergies. These include the development of rashes, hives, difficulty in breathing and swelling in the face, throat, tongue and lips. These reactions are mild and they can be treated with anti-allergy drugs. However, to be safe seek medical help immediately when you experience any of the signs and symptoms mentioned.

There are also reactions caused by diovan and sulfa drugs allergies which can be life threatening. In the case of sulfa allergy, severe allergic reaction can lead to a syndrome called Stevens-Johnson syndrome which affects the skin. When a person has this syndrome, the epidermis and the dermis are separated because of cell death. Other serious reactions to sulfa drugs are liver and kidney damage and exacerbation of asthma.

Individuals who are allergic to Diovan should also be aware that a severe allergic reaction to Diovan can lead to kidney failure due to the breakdown of skeletal muscle tissue. Signs and symptoms of this condition include nausea, vomiting, fever, dark colored urine and muscle pain and tenderness.


Once allergic reactions occur, the allergy sufferer should stop taking any of the sulfa drugs. Treatment then will focus on addressing the signs and symptoms which are manifested by the sufferer. Immunotherapy allergy shots are also given to those who are suffering from allergy. Other treatment options include desensitization to the drug especially if there is no choice but to use sulfa drugs or diovan. Desensitization is a process by which small amount of the allergen, in this case the drug, is introduced to the body. Through this method, the body will be exposed to the drug and will not develop any allergic reactions in the future. It is very important to get immediate treatment once you experience any of the signs and symptoms.


Just like other conditions, preventing the occurrence of diovan and sulfa drugs allergies is much better than treating it. To prevent allergic reactions, it is very important to inform your doctor about any history with drug allergy. Individuals should remember that drug allergy can develop any time. Even if you have been taking sulfa drugs for a long time and you did not have any allergic reactions to it, you can develop allergy to the drug anytime. In addition, it is also important to read the label and the ingredients of the drug. Always consult your doctor before taking any new drugs.

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