Bosentan Side Effects
What should I watch for?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.
This medicine has caused reduced sperm counts in some men. This may interfere with the ability to father a child. You should talk to your doctor or health care professional if you are concerned about your fertility.
You may need blood work done while you are taking this medicine.
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:
faintness or lightheadedness when getting up from a lying or sitting position
fever with or without chills
loss of appetite
unusual tiredness or weakness
yellow eyes or skin
Incidence not known
Black, tarry stools
blood in the urine or stools
blue lips and fingernails
coughing that sometimes produces a pink frothy sputum
coughing up blood
decrease in the amount of urine
difficult, fast, or noisy breathing
fatigue on exertion
joint pain, stiffness, or swelling
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
noisy, rattling breathing
pinpoint red spots on the skin
redness of the skin
shortness of breath
swelling of the eyelids, face, lips, hands, fingers, legs, ankles, or feet
tightness in the chest
troubled breathing at rest or exertion
troubled breathing or swallowing
unpleasant breath odor
unusual bleeding or bruising
vomiting of blood
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Increased heart rate
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:
Fast, irregular, pounding, or racing heartbeat or pulse
feeling of warmth
redness of the face, neck, arms, and occasionally upper chest
stuffy or runny nose
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.