Asacol HD Side Effects
What should I watch for?
Tell your doctor or health care professional if your symptoms do not start to get better after several days. There is usually an improvement in 3 to 21 days. You may need about 6 weeks of treatment to get good results.
Do not change the brand of this medicine that you are taking without talking to your doctor or health care professional. All brands do not have the same dose.
You may notice the empty shell from this medicine in your stool. If this happens frequently, you should contact your doctor or health care professional.
Common and Rare Side Effects
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:
full or bloated feeling
itching, skin rash
pounding in the ears
pressure in the stomach
slow or fast heartbeat
stomach cramps (severe)
swelling of the abdominal or stomach area
unusual tiredness or weakness
back pain (severe)
blue or pale skin
chest pain, possibly moving to the left arm, neck, or shoulder
yellow eyes or skin
Incidence not known
Blistering, peeling, or loosening of the skin
change in the ability to see colors, especially blue or yellow
clay- colored stools
decreased frequency or amount of urine
general feeling of discomfort or illness
greatly increased frequency of urination or amount of urine
increased blood pressure
joint or muscle pain
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
loss of appetite
lower back or side pain
red skin lesions, often with a purple center
red, irritated eyes
sores, ulcers, or white spots in the mouth or on the lips
stomach pain or tenderness
swelling of the feet or lower legs
thickening of bronchial secretions
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.