Dr. Frank A. Lastra M.D.

Recommended Articles

• Is My Diarrhea Caused by Irritable Bowel Syndrome?

  What is irritable bowel syndrome (IBS)?Irritable bowel syndrome (IBS) is a common gut disorder. Irritable bowel syndrome (IBS) is unlike inflammatory bowel disease and differs from other bowel conditions. It is a group of several symptoms such as abdominal pain, bloating, cramping, constipation,...

• Holistic Treatments for Sinusitis

  A sinus infection can be caused by bacteria, virus, or fungi. Some of the symptoms of a sinus infection are congestion in the nasal passages, headaches, fever, and cough. It is always advisable to consult a physician if you are experiencing any of these symptoms. However, there are some natural...

• How Do You Contract Meningitis?

  The majority of meningitis is as a result of viruses and bacteria that harbor in our bodies.  These germs normally live in the nose and throat or the intestines and can cause sickness. The bacteria can result in inflammation if they spread to the tissues lining the spinal cord and the brain....

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• What Is the Cause of an Underactive Thyroid Gland?

  Gaining weight? Feeling colder? Feeling depressed? Hypothyroidism could be the reason behind it.What is hypothyroidism?Also known as low thyroid or underactive thyroid, hypothyroidism is characterized by underactive thyroid glands that fail to produce an adequate amount of thyroid hormones. These...

• What Are Vaccines?

  What is a vaccine?Vaccines are products that enable a person to develop immunity against certain diseases. A vaccine can be given through needle injections, by aerosol, or by mouth. The polio vaccine is given in the form of mouth drops that contain live but weakened organisms. The vaccine gets into...