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.
Along with its needed effects, a medicine may cause some unwanted effects. Some side effects will have signs or symptoms that you can see or feel. Your doctor may watch for others by doing certain tests.
Also, because of the way these medicines act on the body, there is a chance that they might cause other unwanted effects that may not occur until months or years after the medicine is used. These delayed effects may include certain types of cancer. Discuss these possible effects with your doctor.
Check with your doctor immediately if any of the following side effects occur:More common
- Cough or hoarseness
- Fever or chills
- Lower back or side pain
- Painful or difficult urination
- Skin rash or itching (sudden)
- Unusual tiredness or weakness
- Anxiety or nervousness
- Black, tarry stools
- Blood in the urine or stools
- Changes in vision
- Chest pain
- Cramps in lower legs
- Mental depression
- Numbness or tingling of the hands or feet
- Pinpoint red spots on the skin
- Shortness of breath
- Sore, red eyes
- Sores in the mouth or on the lips
- Stomach pain
- Swelling of the feet or lower legs
- Trouble with sleeping
- Unusual bleeding or bruising
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:More common
- Loss of appetite
- Muscle pain
- Nausea and vomiting
- Skin rash
- Back pain
- Bloating or gas
- Dry skin
- General feeling of discomfort or illness
- Joint pain
- Weight loss
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.