A-Z Medical Problems

Informations on common medical problems in alphabetical order.     A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


It is an excessive reaction of a person's immune system to normally harmless substances in the environment, also referred to as allergen. The result of the reaction is usually inflammatory, which lies between minor discomfort to life-threatening. It is roughly estimated that one in three people have an active allergy at any given time and at least three in four people develop an allergic reaction at least once in their lives.


It is an inflamation of the appendix, which is a small tail attached to the large intestines.

Appendicitis falls under mecial emergency. The sysmptoms include; pain around belly button, low appetite, nausea, vomiting and low fever. In later stage, the pain will move onto the right lower abdomen, right above the appendix. Complications might occur. See a doctor for treatment.

A chronic inflammatory disease of the airways. This can be seen from the reccurance of symtomps such as, wheezing, coughing, chest tightness and shortness of breath. Symptoms can be prevented by avoiding allergens, irritants and by inhaling corticosteroids. 


or varicella is caused by a virus called the varicella-zoster virus. The virus cause red rash, itchy spots which turns into fluid filled blisters. It is a mild illness which is usually caught by children under 10 years old. People with weakened immune system must avoid catching chickenpox because they will be at a big risk of developing complications.

Common Cold
This is a viral infectious disease which mostly affects the nose, throat and sinuses. Symptoms include cough, sore throat, runny nose and fever. The best way to avoid catching the cold is hand-washing. 



It occurs when your body loses fluid more than water intake. Water makes up over 2/3 of our body, when water is lacking, your body has to adjust the way it functions. Dehydration can also be caused by diarrhoea. In this case, you should drink rehydration solution from pharmacies.

irregular bowel movement caused by gastroenteritis, anxiety, too much coffee or alcohol or side effect of a medication. Anti diarrhoea medicine is not necessary unless it is important to shorten the duration (such as a taking a long trip away). If diarrhoea lasts for more than 4 days, please see your doctor.



Food Poisoning
Consumed contaminated food might caused vomitting, diarrhoea or stomach cramps. Food that is not prepared, stored or cooked accordingly will cause food posoning. It is very common and happens to many.

The Flu
Influenza is commonly known as the flu. It is an infectious disease caused by virus. Symptoms include chills, fever, sore throat, muscle pains, headache, coughing, fatigue and general discomfort.  Not to be mistaken as the common cold, influenza's effects are more severe and last longer. If not treated, influenza can lead to pneumonia. 


Hay fever
Hay fever is usually classified as a mild allergy. It is also known as Allergic Rhinitis, an allergic inflammation of the nasal airways. When allergens (such as pollen, dust)  is inhaled, it triggers the immune system and release inflammatory mediators such as histamine (and others). It causes sneezing, itchy and watery eyes, swelling and inflammation of the nasal passages and an increase in mucus production. 

Head Lice
Small blood sucking insect that lives on hair and scalp. The live span of a head lice is about 32 days. The egg or nit, will hatch in a week after being laid. If your child has head lice, get the right treatment and comb. Wash the pillow in hot water.


Insomnia is difficulty of falling asleep. It can be caused by stress, anxiety, depression or medication. Avoid coffee or heavy meals late at night. Sleeping tablets are only use to help relieve short term insomnia, for a long term problem, please see your GP.

is the yellowing of the skin and the whites of the eyes. It happens because of a disruption to the functions of the liver which creates a build-up of a waste product called Bilirubin. Bilirubin is a waste product and it's yellow. When you develop symptoms of jaundice, see your GP immediately.


Low Blood Pressure
Hypotension or low blood pressure is a condition where the blood pressure in your arteries is abnormally low. It is usually not risky, but if it causes dizziness, consult your GP.

Severe throbbing pain at the front or side of the head. Migraine is very common and it affects people differently. It is also caused by different things, such as hormones, anxiety, depression, poor sleep quality, lack of food or water, bright lights, etc.


is a rare and serious type of cancer. It starts on the skin and spread to other organs in the body. Most of the time, it starts as a new mole or a change in existing mole. It is thought that UV causes some skin cells to develop abnormally. If you notice something different to your mole, contact your GP immediately.

Obsessive Compulsive Disorder (OCD)
is a mental health disorder where a person is obsessed with an idea and act compulsively. In OCD, the obsession has negative meaning to the person. They feel that they must carry out an action, repeatedly to prevent the realization of the obsession. Talk to your GP to get an assesment and proper treatment.


An inflammation of the paranasal sinuses due to allergy, infection or autoimmune issues. It is a common condition and on acute level, it can be resolved over 10 days. Symptoms include, headache or facial pain (dull, constant discomfort and feeling of fullness), thick green nasal discharge and toothache.