Numerous remedies are available to treat erectile dysfunctions, or ED. Some of these have been shown to be effective, according to MayoClinic.com, while others are not only ineffective but may even be dangerous. It is crucial to consult a doctor before taking any over-the-counter drugs for ED.

Rectal bleeding in men is caused by diseases of the rectum or other parts of the digestive tract. Rectal bleeding should be evaluated by a doctor to determine the cause. Some conditions that cause rectal bleeding are life threatening. Early diagnosis may simplify treatment and increase the chance of cure.

Blocked tear ducts cause excessive tearing and eye irritation when your tears cannot drain normally. Typically, tears drain out of small holes in the corner of your eye, and then pass through tiny tubes into the nose to be eliminated.

Over 100,000 people were affected by colon cancer in 2010, according to estimates provided by the National Cancer Institute. This form of cancer affects the colon, the longest region of the large intestine. Colon cancer often results in stool changes in people with this disease.

Intravenous contrast materials are widely used in a variety of imaging tests, such as MRIs, CTs and PET scans. Various types of contrast materials exist, differing in the size and type of molecules they contain.

When chronic acid reflux becomes a problem, switching from traditional tea or coffee to caffeine-free herbal teas may help reduce heartburn and other symptoms.

A rash of painful, red bumps on the toes is a signal that should not be ignored. Any rash is the skin's response to an irritant that could be a fungus, bacteria, chemical, reaction to heat or, in some cases, a small itch mite.

Bladder infections, also called urinary tract infections or cystitis, are a common occurrence in both men and women. People commonly develop bladder infections due to the E. coli bacteria commonly found in the gastrointestinal tract. According to MayoClinic.

Age spots are common and usually harmless. However, an age spot that is changing or itchy needs to be checked to make sure it is not something more serious.

Look for products with natural anti-inflammatory ingredients such as feverfew, found in Aveeno's Ultra Calming Cream, or licorice, found in Eucerin's redness relief line of products.

There are many types of allergens that can cause a physical reaction in your body; however, food allergies can be some of the most dangerous because the allergen is consumed. An estimated 6 to 8 percent of children under age 3 and about 4 percent of adults have some kind of food allergy, states the Mayo Clinic.

Daflon 500 mg is a prescription-only oral phlebotropic drug indicated in the treatment of venous disease--all conditions related to or caused by veins that become diseased or abnormal--and hemorrhoidal disease, which is dilated veins caused by increased pressure in the rectum.