Medical Conditions

I have in total 1030 medical conditions

Locate medical conditions by their starting letter

Medical Conditions found related to the search term: R

Rhinitis, allergic

Allergic rhinitis is inflammation of the inside of thenose caused by an allergen, such as pollen, dust,mould,or flakes of skin from certain animals .

Rectal bleeding

Rectal bleeding (bleeding from the bottom)is often noticed as small amounts of bright-red blood on toilet paper or a few droplets that turn the water in the toilet pink.

Rectal cancer

Bowel cancer is a general term for cancer that begins in the large bowel. Depending on where the cancer starts, bowel cancer is sometimes called colon or rectal cancer .

Rib injuries

Broken (fractured) or bruised ribs are usually caused by a fall or blow to the chest, or occasionally by severe coughing. They can be very painful, but will normally improve within about three to six weeks.

Rib, cervical

A cervical rib is an extra rib that forms above the normal first rib, growing from the base of the neck just above the collarbone. The defect is present at birth, but usually not noticed until later in life.

Research and clinical trials

A clinical trial compares the effects of one treatment with another.It may involve patients, healthy people, or both.

Retinal detachment

Retinal detachment occurs when the thin lining at the back of your eye called the retina begins to pull away from the blood vessels that supply it with oxygen and nutrients.

Rectal examination

A rectal examination is a type of physical examinationduring whicha doctor or nurseinserts a finger into your rectum (back passage) to feel for abnormalities.

Restless legs syndrome

Restless legs syndrome, also known as Willis-Ekbom disease,is a common condition of the nervous system thatcauses an overwhelming, irresistible urge to move the legs.


Roseola is a common viral infection that usually affects babies and toddlers. It typically causes a fever and a spotty rashfor afew days.

Red eye

A red eye can be alarming, but isoften just a sign of a minor eye condition, such asconjunctivitis or a burst blood vessel. If it's painful, there may be a more serious problem.


Rubella (german measles) is a viral infection that's now rare in the UK.It's usually a mild condition that gets better without treatment in 7 to 10 days.

Recurrent limb pain in children

Growing pains are aches or pains, usually in the lower legs, that develop in the evening or night.Children aged between three and 12 may be affected.Although they can be distressing, growing pains are fairly common anddon't cause long-term harm.

Respiratory distress syndrome, Neonatal

Neonatal respiratory distress syndrome (NRDS) happens when a newborn baby's lungs aren't fully developed and they cannot provide enough oxygen. It usually affectspremature babies.


Rabies is a very serious viral infection that targets the brain and nervous system.You can catch rabiesif you are bitten by an infected animal and haven't been vaccinated.

Renal transplant

A kidney transplant is the transfer of a healthy kidney from one person into the body of a person who has little or no kidney function.


Measles is a highly infectious viral illness that can be very unpleasant and sometimes lead to serious complications. Anyone can get measles if they haven't been vaccinated or they haven't had it before, although it's most common in young children.

Rhinitis, non-allergic

Non-allergic rhinitisis inflammation of the inside of the nose that is n't caused by an allergy.

Retinal migraine

Retinal migraine (ocular migraine) isan eye condition thatcauses brief attacks ofblindness or visual problems like flashing lights in one eye.


Rickets is a condition that affects bone development in children. It causes the bones to become soft and weak, which can lead to bone deformities.

Ruptured eardrum

A perforated eardrum is a hole or tear in the eardrum. It can be uncomfortable, but usually heals within a few weeks or months provided your ear is kept dry and theres no infection.

Reflux in babies

Babies often bring upmilk during or shortly after feedingthis is known as possetting or reflux.


Radiation is a general term referring to any sort of energy that can travel through space either as a wave or a particle.


Radiotherapy is a treatment involving the use of high-energy radiation. It's commonly used to treat cancer.

Raynaud's phenomenon

Raynaudsphenomenon is a common conditionthat affects the blood supply to certain parts of the body usually the fingers and toes.

Reactive arthritis

Reactive arthritis, formerly known as Reiter's syndrome, is a condition that causes inflammation (redness and swelling) in various places in the body.

Red blood cell count

A red blood cell (RBC) count is a blood test that tells you how many red blood cells you have.

RTIs (respiratory tract infections)

Respiratory tract infections (RTIs) are any infection of the sinuses, throat, airways orlungs.

Rett syndrome

Rett syndrome is a rare genetic disorder that affects brain development, resulting in severe mental and physical disability.

Reye's syndrome

Reye's syndrome is a very rare disorder that can cause serious liver and brain damage. If it's not treated promptly, it may lead to permanent brain injury or death.

Rhesus factor disease

Rhesus disease is a condition where antibodies in a pregnant woman's blooddestroy her baby's blood cells. It's also known as haemolytic disease of the foetus and newborn (HDFN).

Rheumatic fever

Rheumatic fever (RF) is an inflammatory disease that can involve the heart, joints, skin, and brain. The disease typically develops two to four weeks after a streptococcal throat infection. It is also known as acute rheumatic polyarthritis or acute articular rheumatism.

Rheumatoid arthritis

Rheumatoid arthritis is a long-term condition that causes pain, swelling and stiffness in the joints.The symptomsusually affect the hands, feet and wrists.

Root canal treatment

Root canal treatment (endodontics) is a dental procedure used to treat infection at the centre of a tooth (the root canal system).


Rosacea is a common but poorly understood long-termskin condition that mainly affects the face.


Roundworms can infest the human gut, where they live, feed and reproduce. They don't often cause any symptoms, but are more likely to in large numbers.

Retrograde ejaculation

Retrograde ejaculation is a rarer type of ejaculation problem. It happens when semen travels backwards into the bladder instead of through the urethra (the tube that urine passes through).

Rheumatic endocarditis

Rheumatic endocarditis is an inflammation of the endocardium. The inflammatory process if mostly localized in the valve endocardium, the layer which covers the tendons and papillary muscles, and rarely the parietal endocardium may be affected.