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Allergy Treatment - San Antonio - Premier Allergy TX

John F. Freiler, MD

Schedule an Appointment | Patient Portal
(210) 764-6567
(210) 764-6567
  • Home
  • About Us
  • Meet Dr. Freiler
  • What We Treat
    • Hay Fever & Eye Allergy
    • Asthma
    • Chronic Sinusitis
    • Eczema and Hives
    • Drug Allergy
    • Food Allergy
    • Pet Allergy
    • Immune Disorders
    • Stinging Insect Allergy
    • Anaphylaxis
  • Articles
  • Patient Information
  • Contact

Drug Allergy

You are here: Home / What We Treat / Drug Allergy

Understanding Your Drug Allergy

A drug allergy is the abnormal reaction of your immune system to a medication. Any medication over the counter, prescription, or herbal can induce a drug allergy. However, a drug allergy is more likely with certain medications.

The most common signs and symptoms of drug allergy are hives, rash, or fever. A drug allergy may cause serious reactions, including a life-threatening condition that affects multiple body systems (anaphylaxis).

A drug allergy is not the same as a drug side effect, a known possible reaction listed on a drug label. A drug allergy is also different from drug toxicity caused by an overdose of medication.

Latex Allergy:

Latex allergy is a reaction to certain proteins found in natural rubber latex; a product made from the rubber tree. If you have a latex allergy, your body mistakes latex for a harmful substance.

Latex allergy may cause itchy skin and hives or even anaphylaxis, a potentially life-threatening condition that can cause throat swelling and severe difficulty breathing. Evaluation can determine if you have a latex allergy or if you’re at risk of developing a latex allergy.

Understanding latex allergy and knowing common sources of latex can help you prevent allergic reactions.

Penicillin Allergy:

Penicillin allergy is an abnormal reaction of your immune system to the antibiotic drug penicillin. Penicillin is prescribed for treating various bacterial infections.

Common signs and symptoms of penicillin allergy include hives, rash, and itching. Severe reactions include anaphylaxis, a life-threatening condition that affects multiple body systems

Research has shown that penicillin allergies may be over-reported a problem that can result in the use of less appropriate and more expensive antibiotic treatments. Therefore, an accurate diagnosis is needed when penicillin allergy is suspected to ensure the best treatment options in the future.

Other antibiotics, particularly those with chemical properties like penicillin, also can result in allergic reactions.

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