Aug 24, 2024 · Allergic reactions vary from person to person. They can range from minor irritation to a life-threatening emergency called anaphylaxis. While most allergies can't be cured, …

Dec 1, 2025 · This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention.

Oct 24, 2025 · Find out about the COVID-19 vaccines, the benefits of a COVID-19 vaccination, the possible side effects and how to prevent infection.

May 2, 2024 · Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable. Many …

People who have a sulfa allergy can react to antibiotics and other medicines that contain a chemical called sulfonamide (suhl-FON-uh-mide). A number of antibiotics containing …

Jun 21, 2025 · Overview A blood transfusion is a common procedure for receiving donated blood or components of blood. The blood is delivered through a narrow tube placed within a vein. A …

Jan 1, 2026 · For management of allergic reactions: Adults—25 milligrams (mg) 3 or 4 times a day. Children 6 years of age and older—50 to 100 mg per day given in divided doses. Children …

Feb 15, 2025 · Vasovagal syncope is usually harmless and requires no treatment. But it's possible that you may injure yourself during a vasovagal syncope episode. Your healthcare …

Jan 1, 2026 · Albuterol may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right away if …

Mar 28, 2025 · Allergy medicines are available as pills, liquids, inhalers, nasal sprays, eye drops, skin creams and shots, also called injections. Many allergy medicines are available without a …