I've been asked a multitude of questions about drug allergies over the past 20 years. Most people do not get through life without having a side effect from a prescription drug or over the counter (OTC) medication. Adverse drug reactions occur when a medication causes a symptom or abnormal body function that is unintentional and potentially harmful. There are many types of adverse drug reactions but they are often classified as either allergic or non-allergic.
Allergic reactions to drugs are the result of the immune system responding to the medication as if it were a foreign invader (or germ). Symptoms and signs of drug allergy include: itching, rash, swelling, hives, wheezing, dizziness, fainting and fever or anaphylaxis (life threatening allergic reaction). But these are not the only possible signs/symptoms of allergic drug reactions. Some people may experience nausea, vomiting, diarrhea and abdominal pain. Unfortunately many of the above signs/symptoms may also occur in...
Generic Name: HYDROCODONE/CHLORPHENIRAMINE POLISTIREX ER SUSPENSION -
ORAL Pronounced: (HYE-droe-KOE-done/KLOR-fen-IR-a-meen,POL-ee-STYE-rex) Chlorpheniramine-Hydrocodone Oral Precautions
Before taking this product, tell your doctor or pharmacist
if you are allergic to it; or if you have any other allergies. This product may
contain inactive ingredients, which can cause allergic reactions or other
problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or
pharmacist your medical history, especially of:
abdominal problems (e.g., chronic constipation, ileus,
adrenal gland problem (e.g., Addison's disease)
certain brain disorders (e.g., head injury, tumor, increased
breathing problems (e.g., asthma, emphysema)
a certain eye problem (glaucoma)
high blood pressure
Definition Allergic reactions are sensitivities to substances, called allergens , that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the lungs, swallowed, or injected. Considerations Allergic reactions are common. The immune response that causes an allergic reaction is similar to the response that causes hay fever. Most reactions happen soon after contact with an allergen. Many allergic reactions are mild, while others can be severe and life-threatening. They can be confined to a small area of the body, or they may affect the entire body. The most severe form is called anaphylaxis or anaphylactic shock. Allergic reactions occur more often in people who have a family history of allergies . Substances that don't bother most people (such as venom from bee stings and certain foods, medications, and pollens) can trigger allergic reactions in certain people. Although first-time exposure may only produce a mild reaction, repeated...
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