Dr. Fengqi Liu M.D.

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• What Is Tramadol Used For?

  Tramadol, sold under the brand name "Ultram" in the United States, is a synthetic opioid analgesic used to manage moderate to moderately-severe pain. It is generally used to relieve pain as that experienced during chronic conditions like arthritis or after surgery. Tramadol Hcl 50 mg also arrives in...

• Leukocyte Esterase Test

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• What Do Tonsils Look Like?

  Introduction Tonsils are a pair of lymphoid tissues that are located at the back of the throat. They belong to the lymphatic system and help fight infections. Normally, they are pinkish in color. However, sometimes, tonsils become enlarged, red, and irritated when they get infected.When they are...

• What Does Dark Stool Mean?

  A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

• Black Widow Spider Bite: What Does It Look Like?

  The black widow spider is one of the most poisonous spiders often seen in North America. These spiders thrive at moderate temperatures and are mostly found in the south and western US regions.They are often found in places surrounded by bushes, open areas such as outdoor bathrooms and toilets, open...