ribavirin (inhalation)
Ribavirin inhalation is an antiviral medicine that is used to treat babies and young children with severe lung infections caused by respiratory syncytial virus (RSV). Ribavirin inhalation may also be used for purposes not listed in this medication guide.
ribavirin (oral)
Ribavirin is an antiviral medication that is used to treat chronic hepatitis C. Ribavirin is not effective when used alone. This medicine must be used in combination with interferon alfa or peginterferon alfa. Ribavirin is sometimes given to people taking other antiviral medications to treat hepatitis C. Ribavirin may...
ribociclib
Ribociclib is used to treat hormone-related breast cancer in women. Ribociclib is used only if your cancer tests negative for a protein called human epidermal growth factor receptor 2 (HER2). HER2 protein can speed the growth of cancer cells. Ribociclib is used when the cancer has progressed or has spread to other parts...
riboflavin (vitamin B2)
Riboflavin is vitamin B2. Vitamins are naturally occurring substances necessary for many processes in the body. Riboflavin is important in the maintenance of many tissues of the body. Riboflavin is used to treat or prevent deficiencies of riboflavin. Riboflavin may also be used for purposes not listed in this medication...
riboflavin ophthalmic
Riboflavin (vitamin B2) is important in the maintenance of many tissues of the body. Riboflavin ophthalmic (for the eyes) is a "photosensitive" solution used during a procedure to treat progressive keratoconus in adults and adolescents who are at least 14 years old. Keratoconus (KER-a-toe-KOE-nus) is a...
rifabutin
Rifabutin is an antibiotic that fights bacteria. Rifabutin is used to prevent mycobacterium avium complex (MAC) in people with HIV (human immunodeficiency virus) infection. Rifabutin is also used with other medicines to treat tuberculosis in people with HIV. Rifabutin may also be used for purposes not listed in this...
rifampin (oral/injection)
Rifampin is an antibiotic that is used to treat or prevent tuberculosis (TB). Rifampin may also be used to reduce certain bacteria in your nose and throat that could cause meningitis or other infections. Rifampin prevents you from spreading these bacteria to other people, but this medicine will not treat an active...
rifamycin
Rifamycin is used in adults to treat traveler's diarrhea caused by Escherichia coli (E. coli). Rifamycin is not for use in treating diarrhea with fever or blood in the stools, or diarrhea that is not caused by E. coli. Rifamycin may also be used for purposes not listed in this medication guide.
rifapentine
Rifapentine is an antibiotic that fights bacteria. Rifapentine is used together with other medicines to treat active tuberculosis (TB) in adults and children who are at least 12 years old. Rifapentine is also used to keep inactive (latent) TB from becoming active in adults and children who are at least 2 years old...
rifaximin
Rifaximin is used to treat travelers' diarrhea caused by Escherichia coli (E. coli) in adults and children who are at least 12 years old. Most people get this infection by eating food or drinking fluids that have been contaminated with the E. coli bacteria. Rifaximin is also used to treat irritable bowel syndrome...
Right-Sided Heart Failure
Right-sided heart failure means that the right side of the heart is not pumping blood to the lungs as well as normal. It is also called cor pulmonale or pulmonary heart disease. What happens to the heart? Most people develop heart failure because of a problem with the left ventricle. But reduced function of the right...
rilonacept
Rilonacept is used to treat some of the symptoms of rare genetic conditions such as Familial Cold Auto-inflammatory Syndrome (FCAS) or Muckle-Wells Syndrome (MWS). FCAS and MWS are inflammatory disorders in which the body develops certain symptoms without a known cause (such as virus, bacteria, or illness). These...
rilpivirine
Rilpivirine is an antiviral medicine that prevents human immunodeficiency virus (HIV) from multiplying in your body. Rilpivirine is used to treat HIV, the virus that can cause acquired immunodeficiency syndrome (AIDS). Rilpivirine is not a cure for HIV or AIDS. Rilpivirine is for use in adults and children who are at...
riluzole
Riluzole is used to treat amyotrophic lateral sclerosis, also known as ALS or Lou Gehrig's disease. Riluzole is not a cure for ALS, but it may delay progression of the disease and prolong your life. Riluzole may also be used for purposes not listed in this medication guide.
rimabotulinumtoxinB (Myobloc)
RimabotulinumtoxinB (Myobloc), also called botulinum toxin type B, is made from the bacteria that causes botulism. Botulinum toxin blocks nerve activity in the muscles, causing a temporary reduction in muscle activity. Myobloc is used to treat cervical dystonia (severe spasms in the neck muscles). Myobloc is also used...
rimantadine
Rimantadine is an antiviral medicine used to treat or prevent influenza A in people who are at least 17 years old. Rimantadine is also used to prevent influenza A in children ages 1 to 16 years old. Rimantadine may not be effective during every flu season because certain strains of the virus may be resistant to this...
rimegepant
Rimegepant is used in adults to treat a migraine headache with or without aura. Rimegepant will not prevent migraines. Rimegepant may also be used for purposes not listed in this medication guide.
Ringing in the Ears (Tinnitus)
Many people experience an occasional ringing (or roaring, hissing, buzzing, or tinkling) in their ears. The sound usually lasts only a few minutes. Ringing in the ears that does not get better or go away is called tinnitus. You may hear a sound, such as a ringing or roaring, that does not come from your surroundings...
Ringworm of the Scalp or Beard
Is this topic for you? This topic is about ringworm of the scalp or beard. To learn more about other fungal infections, see the topics: Athlete's Foot. Diaper Rash. Fungal Nail Infections. Ringworm of the Skin. What is ringworm of the scalp or beard? Ringworm is an infection on your skin, hair, or nails...
Ringworm of the Skin
Explains ringworm causes, symptoms, and progression. Covers how it is diagnosed and treated. Includes information on medicines. Covers behaviors that increase risk of ringworm. Offers prevention and home treatment tips.