Dr. John Howard Darnell MD

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...

The inflammation of the sinuses found in your forehead, cheekbones, and behind your nose is what is known as sinusitis. Sinusitis can be a short-term inflammation resulting from a bacterial infection after an infection like the common cold. However, sinusitis can also be chronic, resulting from...

Why does my mouth taste like metal?The perception of a metallic taste in the mouth is a symptom that can be found for several reasons. In some cases, this aftertaste depends on mild and transient conditions, sometimes it may be the warning of some more serious pathologies.Among the possible causes:...

Mumps is a highly contagious viral infection that’s preventable by vaccination. The virus is usually spread by coming in contact with infected individuals. It’s common for newborns, children, as well as young adults. Symptoms associated with the condition include:...

What is atherosclerosis?Atherosclerosis is also known as arteriosclerotic vascular disease or ASVD. It is a particular type of arteriosclerosis in which an artery wall gets thickened as an effect of attack and accumulation of white blood cells and rupture of the intimal smooth muscle cell producing...

What is a urinary tract infection (UTI)?A urinary tract infection (UTI) is an infection in the urinary system, which includes the kidneys, bladder, urethra, and ureters. Usually, UTIs happen in the lower urinary tract, which consists of the bladder and urethra.Women are more prone to developing...