The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Weakness or lack of energy (13%)
- Headache (9%)
- Stomach pain (9%)
- Nausea (5%)
Less Common Side Effects
- Gas
- Diarrhea
- Upset stomach
Adefovir serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Lactic acidosis: extreme tiredness, sudden weakness, fast and shallow breathing, loss of appetite, nausea, vomiting
- Liver problems: tiredness, stomach pain
Source: DailyMed
The following Adefovir side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common
Dark urine
general tiredness and weakness
light-colored stools
upper right abdomen or stomach pain
yellow eyes and skin
Less common
Blood in the urine
change in frequency of urination or amount of urine
difficult breathing
drowsiness
increased thirst
loss of appetite
swelling of the feet or lower legs
weakness
Rare
Fast, shallow breathing
general feeling of discomfort
muscle pain or cramping
shortness of breath
sleepiness
unusual tiredness or weakness
Incidence not known
bone fractures, especially of the thigh bone
bone pain
chills
cloudy urine
convulsions
darkened urine
decreased frequency or amount of urine
fast heartbeat
increase in the amount of urine
increased blood pressure
indigestion
lower back or side pain
muscular pain, tenderness, wasting, or weakness
pains in the stomach, side, or abdomen, possibly radiating to the back
swelling of the face, fingers, or lower legs
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

