Rifadin 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.
This medicine can color your teeth, urine, sweat, tears, and mucous. The color may stain your teeth for good. The color in tears may also stain soft contact lenses for good. If you wear contact lenses, ask your doctor or health care professional when you can use your lenses again.
You may need blood work done while you are taking this medicine.
This medicine may cause a decrease in vitamin D and vitamin B6. You should make sure that you get enough vitamins while you are taking this medicine. Discuss the foods you eat and the vitamins you take with your 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:
blood in the urine or stools
coughing or vomiting blood
darkening of the skin
decreased frequency or amount of urine
difficulty in breathing and swallowing
fever with or without chills
general feeling of tiredness or weakness
increased blood pressure
loss of appetite
lower back or side pain
painful or difficult urination
persistent bleeding or oozing from puncture sites, mouth, or nose
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
skin itching, rash, or redness
sores, ulcers, or white spots on the lips or in the mouth
swelling of the face, ankles, fingers, hands, or lower legs
tightness in the chest
unusual bleeding or bruising
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
yellow eyes or skin
Incidence not known
Blistering, peeling, or loosening of the skin
bloody, severe, or watery diarrhea
cold, clammy skin
difficulty with speaking
fast, weak pulse
inability to move the arms, legs, or facial muscles
inability to speak
joint or muscle pain
pinpoint red spots on the skin
red skin lesions, often with a purple center
red, irritated eyes
sores, welts, blisters
unpleasant breath odor
unusual weight loss
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
fast, pounding, or irregular heartbeat or pulse
feeling of fullness in the upper abdomen or stomach
low blood pressure or slow pulse
pain in the upper abdomen or stomach
reddish-orange to reddish-brown color of the urine, stool, saliva, sputum, sweat, and tears
swelling around the eyes or face
yellow eyes or skin
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:
Feeling that others are watching you or controlling your behavior
feeling that others can hear your thoughts
feeling, seeing, or hearing things that are not there
muscle tenderness, wasting, or weakness
severe mood or mental changes
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.