Dr. Reid F Johnstone MD

Recommended Articles

• How Do I Protect Myself from Spring Allergies?

  Pollen grains from flowers are the main cause for spring allergies. When pollen enters an individual's nasal cavities, particularly in those who are allergic to them, it stimulates the immune system to react in an allergic response. Antibodies produced by the immune system start attacking the...

• The Most Common Misconceptions About Lupus

  IntroductionLupus is a chronic autoimmune disease. It is a complex disease characterized by inflammation and many other symptoms. In lupus, the body's immune system attacks its own healthy tissues and causes inflammation and swelling. It also damages other organs in the body. People with lupus tend...

• Cold vs. Allergy: How to Tell the Difference

  It is very common to assume that anyone with the sniffles is contagious. Very often, however, those sniffles are not linked to anything contagious at all--they can be related to other factors. The first thought of many individuals when they suffer from a runny nose, nasal congestion, coughing, or...

• What Is Asthma: Get the Facts

  Asthma is a lung condition where the lung bronchioles constrict and get filled with mucus, narrowing the passage for air to pass through. It is a non-curable condition. However, the symptoms can be suppressed with proper medication, exercise (as prescribed by the doctor, or else, doing inappropriate...

• What Is Vistaril Used For?

  What is Vistaril (hydroxyzine)?Vistaril is a medication used to reduce central nervous system activity. It is an antihistamine drug that can help reduce the effects of histamine in the body and relieve symptoms of allergy, such as histamine-induced itch, hives, and contact dermatitis.Vistaril is...

• When Could Orthopnea Mean Something More Serious?

  IntroductionOrthopnea is the medical term used when referring to the occurrence of dyspnea (shortness of breath) when you are lying flat. This symptom is often a sign of heart failure. However, orthopnea can also be due to other health conditions. Dyspnea (shortness of breath) is not the same with...