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Talk to your Doctor about Drug Reactions

By HERWriter
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Allergies related image Photo: Getty Images

When you hear about a drug that has “side-effects” you are hearing about recognized drug reactions that some people have experienced when taking the medication. Your doctor expects a drug he prescribes to work in a specific way. A drug reaction is a negative response by your body to the medication. Some drug reactions are caused by an actual allergy to the drug and some are not. Either way, drug reactions can be very serious.

Virtually any medication, whether prescribed or over-the-counter (OTC) can cause a drug reaction. Sometimes drugs reactions are caused by the way your body responds to the drug. Other times the reaction may be between two or more medications that you are taking, even if they were all prescribed.

An actual drug allergy is a response by your body’s immune system. The first time you use a medication, your immune system may be triggered to perceive that drug as an invader or a threat. This response causes the body to produce antibodies that are targeted specifically against that drug. The next time you use the medication, the antibodies are ready to defend the body, which causes the allergic reaction.

Drug allergy symptoms include:
• Skin rash, hives, or itchy skin
• Difficulty breathing including wheezing or shortness of breath
• Swelling including swelling on the face, in the mouth, and in the airways
• Dizziness
• Fever

Anaphylaxis is a life-threatening allergic reaction that can cause blood pressure to drop and make breathing difficult or impossible. Anaphylaxis requires immediate emergency medical treatment. Get help if you have a tightening in the throat or airways, or if you have a rapid pulse or feel lightheaded or dizzy.

Allergic reactions sometimes appear soon after you take a medication. But some reactions can develop over several days or even weeks. If you have an allergic reaction to a drug, your immune system is tuned to the drug so you are likely to have reaction any time you take the drug in the future.

Because drug reactions can be very serious, it is important to tell your doctor before he gives you a prescription if you have had any trouble with that drug or other similar drugs in the past.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.


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