Dr. David John Petersen MD

Recommended Articles

• Zika Virus Symptoms: What Is Zika Virus and Travel Recommendations

  In 1947, the Zika virus was discovered and got its name from Uganda’s Zika Forest. The first human case of Zika was identified in 1952. Since then, outbreaks of the virus were reported in the Southeast Asia, the Pacific Islands, and Africa, although it was possible for Zika outbreaks to happen in...

• Is it Strep Throat?

  Strep throat is a bacterial infection caused by streptococcal bacteria of Group A. it is a non-invasive infection, meaning it’s not very severe, but should not be ignored because it may lead to further complications. Strep throat is easily recognized from its symptoms. ...

• The Causes of Migraines

  What Causes Migraines?Migraine is a condition known to cause very severe headaches in its victims. Once you have a migraine you experience headaches that generally affect one side of your head. Migraines cause other several symptoms that can make it difficult to live with the condition. Some of...

• Drugs for Erectile Dysfunction May Improve Prostate Problems

  Drugs used to treat erectile dysfunction may be helpful in relieving some of the symptoms of benign prostatic hyperplasia (BPH). This was reported from a study conducted by Claus G. Roehrborn, MD, with the University of Texas Southwestern Medical Center and colleagues. About 1,058 men, who had...

• What Is IBS with Diarrhea (IBS-D)?

  If you are suffering from IBS-D, you may experience belly pain that is usually associated with irritable bowel syndrome (IBS) and you will be forced to make several trips to the bathroom. The letter "D" stands for "diarrhea".General CausesThere is no actual cause of IBS-D. However, the following are...

• When Does Vaginitis Normally Occur?

  Also referred as vulvovaginitis or vaginal infection, vaginitis is the inflammation of the vagina. It can occur at any time in a woman’s life. The condition can lead to pain, itching, and unusual vaginal discharge, which are mostly accompanied with a vulva infection or irritation. Some women may...