eMedTV Health Topics A-Z
Rabies is a serious disease that is usually transmitted through the bites of infected animals. This eMedTV channel features articles on the symptoms, diagnosis, and treatment of rabies -- as well as which types of animals are most likely to spread it.
Rabies, a viral disease affecting the nervous system, is most commonly transmitted through an animal bite. This eMedTV article discusses the transmission, treatment, and diagnosis of rabies, and explains which animals are most likely to have rabies.
In most cases, the rabies vaccine is given after a person has been exposed to rabies. As discussed in this eMedTV article, when the vaccine for rabies is administered before the onset of symptoms it is extremely effective.
The rabies virus is an RNA virus that attacks the nervous system in mammals, including humans. This eMedTV page describes how the virus is transmitted (usually by an animal bite) and explains how rabies may cause serious symptoms and even death.
Radon is a radioactive gas that usually exists at low levels outdoors. This eMedTV article discusses the increased risk of lung cancer that is associated with long-term exposure to high levels of radon, especially when combined with cigarette smoke.
This eMedTV page covers ragweed allergies, providing information on when ragweed pollen levels are at their highest (mid-September in many areas of the country) and ways to lower your exposure to pollen (like not hanging your clothes outside to dry).
Raloxifene is prescribed to treat postmenopausal women for osteoporosis. As this eMedTV article explains, it can also help reduce their risk of breast cancer. The drug's effects, dosing guidelines, and side effects are also described in detail.
Raltegravir is only approved for use with other medications to treat HIV infection and AIDS. This eMedTV page offers information on the effects of this prescription drug, tips on when and how to take it, and potential side effects.
Ramelteon is a medicine that is prescribed to treat insomnia in people who have trouble falling asleep. This eMedTV article covers important information on ramelteon, including its effects, dosing guidelines, and possible side effects.
Ramipril is a prescription drug used primarily to treat high blood pressure and congestive heart failure. This eMedTV Web page covers the effects of ramipril, possible side effects, and dosing information.
Ramsay Hunt syndrome is a common complication of shingles. As this eMedTV article explains, it is characterized by intense ear pain and paralysis of facial nerves. This article provides an overview of this condition.
Ramsay Hunt syndrome I used to be the name for a collection of rare, degenerative neurological disorders. This eMedTV article talks about Ramsay Hunt syndrome I and explains that it is now called dyssynergia cerebellaris myoclonica.
Ranibizumab is a drug that is prescribed to treat age-related wet macular degeneration. This eMedTV segment describes how ranibizumab works, explains when and how the drug is administered, and lists possible side effects that may occur.
Ranitidine is a drug that may be used to treat heartburn, ulcers, GERD, and other conditions. This eMedTV Web page covers both over-the-counter and prescription forms of ranitidine, including details about how they reduce acid in the stomach.
Rasagiline is a medication often prescribed for the treatment of Parkinson's disease. This eMedTV Web page describes rasagiline in more detail, explains how it works, and offers information on when and how to take the medication safely.
Rasmussen's encephalitis is a rare disease that usually affects only one hemisphere of the brain. As this eMedTV article explains, it occurs mainly in children under the age of 10. This page discusses Rasmussen's encephalitis in detail.
This eMedTV segment offers a detailed look at Raynaud's disease, including its causes, symptoms, and treatment options. This disease is characterized by sudden, sporadic contractions of blood vessels in the fingers and toes when exposed to cold.
This eMedTV page describes Raynaud's phenomenon, a condition affecting small blood vessels in the fingers, toes, nose, and ears, often triggered by exposure to cold. This page explains symptoms and treatment options associated with the condition too.
Razadyne is a prescription drug that is approved for treating mild to moderate Alzheimer's disease. This eMedTV page describes the various forms of Razadyne, explains how the drug works, and lists possible side effects that may occur with treatment.