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| 1 | Didanosine 100mg
Generic name: Videx Size: 180
| $311.99 |  |
| | 2 | Didanosine 250mg
Generic name: Videx Size: 180
| $438.99 | |
| | 3 | Didanosine 400mg
Generic name: Videx Size: 180
| $762.99 | |
| | 4 | Didanosine 100mg
Generic name: Videx Size: 30
| $63.99 | |
| | 5 | Didanosine 250mg
Generic name: Videx Size: 30
| $96.99 | |
| | 6 | Didanosine 400mg
Generic name: Videx Size: 30
| $164.99 | |
| | 7 | Didanosine 100mg
Generic name: Videx Size: 60
| $107.99 | |
| | 8 | Didanosine 250mg
Generic name: Videx Size: 60
| $164.99 | |
| | 9 | Didanosine 400mg
Generic name: Videx Size: 60
| $284.99 | |
| | 10 | Didanosine 100mg
Generic name: Videx Size: 90
| $158.99 | |
| | 11 | Didanosine 250mg
Generic name: Videx Size: 90
| $244.99 | |
| | 12 | Didanosine 400mg
Generic name: Videx Size: 90
| $423.99 | |
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Videx prescription: Didanosine is an oral medication that is used for the treatment of infections with the human immunodeficiency virus (HIV). It is in a class of drugs called reverse transcriptase inhibitors which also includes zalcitabine (Hivid), zidovudine (Retrovir), stavudine (Zerit), and lamivudine (Epivir). During infection with HIV, the HIV virus multiplies within the body's cells. The newly-formed viruses then are released from the cells and spread throughout the body where they infect other cells. In this manner, the infection spreads to new, uninfected cells that the body is continually producing, and HIV infection is perpetuated. When producing new viruses, the HIV virus must manufacture new DNA for each virus. Reverse transcriptase is the enzyme that the virus uses to form this new DNA. Specifically, didanosine is converted within the body to its active form (dideoxyadenosine triphosphate). This active form is similar to a compound (deoxyadenosine triphosphate), a chemical that is required by the HIV virus to make new DNA. The reverse transcriptase uses dideoxyadenosine triphosphate instead of deoxyadenosine triphosphate for making DNA, and it is the dideoxyadenosine triphosphate that interferes with the reverse transcriptase. Didanosine does not kill existing HIV virus and it is not a cure for HIV. Didanosine is used for the treatment of HIV infection in adults and children.
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Why is this drug prescribed?
Videx chewable or dispersible tablets contain the active ingredient didanosine, which is a type of drug called a nucleoside reverse transcriptase inhibitor. It is used in the treatment of HIV infection.
AIDS is caused by infection with HIV. This virus invades cells of the immune system, particularly the white blood cells known as CD4 T-helper lymphocytes. These cells normally work to activate other cells in the immune system to fight infection. Since HIV kills CD4 T-helper cells, over time the body becomes less able to fight the virus or subsequent infections.
Once the virus is inside the CD4 T-cell it multiplies. Part of the process of viral multiplication involves the conversion of the virus genetic material, RNA, into DNA. This is achieved by a compound essential to the virus, called reverse transcriptase. Reverse transcriptase is a compound known as an enzyme. Didanosine works by blocking the action of this enzyme, thereby interfering with the conversion of viral RNA into DNA. This stops the virus from multiplying.
There is no cure for HIV, but didanosine is one of a number of drugs that lowers the amount of virus in the body and slows the progression of the disease from HIV to AIDS. Didanosine is used in conjunction with other anti-HIV drugs that attack the HIV virus in different ways. This helps prevent the virus becoming resistant to the drug.
Didanosine can be broken down and made ineffective by the acid in the stomach. For this reason, Videx chewable/dispersible tablets contain an antacid that neutralises the acid in the stomach. This protects the didanosine from the stomach acid. To ensure that there is sufficient antacid to protect the didanosine, each dose must be taken as a minimum of two tablets.
Treatments
* HIV infection.
What side effects can this drug cause?
* Disturbances of the gut such as nausea, vomiting, diarrhoea or abdominal pain
* Headache
* Rash
* Fatigue
* Disorder of the peripheral nerves causing weakness and numbness
* Dry mouth
* Weakness or loss of strength
* Loss of appetite
* Pain in the muscles and joints
* Elevated levels of lactic acid in the blood
* Raised cholesterol levels
* Diabetes
* Inflammation of the pancreas
* High blood uric acid level which can cause kidney problems and gout
* Hair loss
* Changes to the retina and optic nerve of the eye
* Dry eyes
* Liver disorders
* Blood disorders |
