Before you order Retrovir, you need to be aware of the side effects associated with the medicine. Some of the allergic reactions due to Retrovir include hives; difficulty breathing; swelling of your face, lips, tongue, or throat. You should report such allergic reactions to your doctor.

Some of the serious side effects of Retrovir include liver damage, lactic acidosis, bruising, bleeding, stomach pain, rashes, new infection, chills, fever, jaundice etc.

Some of the common and less serious side effects of Zidovudine include:

• sleep problems
• mild nausea
• vomiting
• constipation
• muscle pain
• headache
• weakness

Whether the side effects are mild or severe you should report them to your doctor so that proper action can be taken.