
Must Read Articles:
-
Allergic Reaction
An allergic reaction is an overreaction to a harmless substance. Symptoms and signs of an allergic reaction include hives, rashes, swelling, itching, wheezing, nausea, and even anaphylactic shock in severe reactions. Treatment involves avoiding triggers, taking oral antihistamines, applying anti-inflammatory steroid creams, and using an EpiPen. -
Hives and Angioedema
Hives are a sudden allergic skin reaction. Hives are raised reddish bumps that cause severe itching. Angioedema is similar to hives but the welts are larger and involve a deeper layer in the skin. Allergies, insect stings and bites, stress, exercise, and infections are common causes of hives and angioedema. In mild cases, no treatment is needed. Severe reactions should be treated by a health care professional. -
Lactose Intolerance
Lactose intolerance is a condition in which milk and milk products (lactose products) are not digestible. Lactose intolerance is caused by a deficiency of lactase in the intestinal wall. Lactose intolerance may appear gradually after childhood. However, the condition can be present at birth. Common symptoms of lactose intolerance include: gas, bloating, abdominal pain, diarrhea, and nausea. The treatment for lactose intolerance are dietary changes to exclude products that contain lactase. -
Low Blood Pressure
Low blood pressure (hypotension) may be caused by heart conditions, intravascular fluid complications (dehydration, pneumonia, vomiting, diarrhea, bleeding), medications, endocrine conditions, allergic reactions, orthostatic hypotension, diabetes, and micturition syncope. Low blood pressure may or may not have symptoms depending upon the cause. Treatment also depends upon the causes of low blood pressure. -
Rash
A rash is a visible skin outbreak. Examples of noninfectious rashes include eczema, psoriasis, contact dermatitis, seborrheic dermatitis, rosacea, hives, and allergic dermatitis. Types of infectious rashes include ringworm, impetigo, scabies, herpes, chickenpox, and shingles. Rashes may be caused by fungi, viruses, bacteria, and parasites. Treatment depends upon the type of rash. -
Severe Allergic Reaction (Anaphylactic Shock)
Anaphylactic shock is a severe allergic reaction that is life-threatening. The symptoms of anaphylactic shock are breathing problems, shock, or death. A severe allergic reaction may be caused by an insect sting or certain foods to which the body has been "sensitized" and has developed a powerful antigen for. Anaphylactic shock is an emergency and requires immediate medical treatment. -
What Are The 4 Types of Allergic Reactions
Allergic reactions occur when the body’s immune system has a reaction to a substance it sees as harmful, called an allergen. The four general types of allergic reaction are immediate, cytotoxic, immune complex-mediated and delayed hypersensitivity. -
Why Are My Lips Numb
A variety of conditions can cause lip numbness. Most commonly it's a symptoms leftover from local dental anesthetic, but autoimmune problems, cold exposure, stroke and Raynaud's syndrome are all potential reasons your lips are numb.
Featured:

Low Blood Pressure (Hypotension)
Low blood pressure (hypotension) may be caused by
- heart conditions,
- intravascular fluid complications (dehydration, pneumonia, vomiting, diarrhea, bleeding),
- medications,
- endocrine conditions,
- allergic reactions,
- orthostatic hypotension,
- diabetes, and
- micturition syncope.
Low blood pressure may or may not have symptoms depending upon the cause. Treatment also depends upon the causes of low blood pressure.
Expert Views and News
- Nasal Test for Shrimp Allergy Safe and Predictive
- Even a Few Days of Steroids May Be Risky
- Frustration Mounts as EpiPen Shortage Hits 1 Year
- Equivocal Results for Peanut Allergy Skin Patch
- EpiPen Expiration Dates Extended
- Low-Fat or Low-Carb Diets?
- Clif Bar & Company Recalling 12 of Its Products
- Recall: Tyson Foods Chicken Products
- Recall: Canned Pasta Shells and Spaghetti
- Doctors Talk About Getting Peanuts Into a Baby's Diet
- The True Cost of EpiPen Coupons
- EpiPen Price Hikes: What to Know
- Benefits of Peanut Allergy Prevention Strategy
- Food Allergies Tied to Irritable Bowel Syndrome
- The Rising Threat of Hidden Food Allergens
- Babies Who Eat Peanuts Early May Avoid Allergy
- Allergy Tests and Food Diets: What Parents Need To Know
- Peanut Protein in Dust May Raise Allergy Risk
- Fish Oil for Infants No Help for Allergies
- 'Egg Therapy' May Help Allergic Kids
- Food Allergy Reactions in Kids Undertreated
- Pork-Cat Syndrome an Under-Recognized Allergy
- African-American Kids May Have More Food Allergies
- Xolair May Treat Milk Allergy in Kids
- Food Allergy Guidelines Out
- Food Allergy in Kids Up 18%
Food Allergy Topic Guide - Visuals
Slideshows, Pictures, Images, and Quizzes:
-
Quiz
-
Slideshow
-
Slideshow
-
Slideshow
-
Slideshow
-
Slideshow
-
Slideshow
Food Allergy Topic Guide - Medications and Vitamins
Medications:

Epinephrine injection is used to treat severe allergic reactions (anaphylaxis) to insect stings or bites, foods, drugs, and other allergens.
learn more »
Diphenhydramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching,...learn more »