Allergies - Symptoms and causes - Mayo Clinic
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, treatments can …
Lisinopril (oral route) - Side effects & dosage - Mayo Clinic
Dec 1, 2025 · This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention.
Contact dermatitis - Symptoms and causes - Mayo Clinic
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 substances can …
Ceftriaxone (injection route) - Side effects & uses - Mayo Clinic
Dec 1, 2025 · This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Call your doctor right away if you have …
Get the facts about COVID-19 vaccines - Mayo Clinic
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.
Post-traumatic stress disorder (PTSD) - Symptoms and causes
Aug 16, 2024 · Overview Post-traumatic stress disorder (PTSD) is a mental health condition that's caused by an extremely stressful or terrifying event — either being part of it or witnessing it. …
Fluticasone (nasal route) - Side effects & dosage - Mayo Clinic
Jan 1, 2026 · This medicine may cause serious allergic reactions, including anaphylaxis and angioedema, which can be life-threatening and require immediate medical attention.
Albuterol (inhalation route) - Side effects & dosage - Mayo Clinic
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 you or your …
Vasovagal syncope - Symptoms and causes - Mayo Clinic
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 professional may …
Doxycycline (oral route) - Side effects & dosage - Mayo Clinic
Nov 1, 2025 · Serious skin reactions, including exfoliative dermatitis, erythema multiforme, Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis, drug reaction with eosinophilia and systemic …