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
- Diarrhea
- Stomach pain
- Nausea
- Vomiting
- Teeth discoloration in children
- Sunburns
Less Common Side Effects
- Liver problems
- Ulcers in esophagus (tube connecting your throat and stomach)
- Skin rash
- Darkening of the skin
- Skin lesions on the penis
- Ringing in your ears
- Changes in vision
- Headache
- Dizziness
- Loss of appetite
- Tongue swelling
- Trouble swallowing
Demeclocycline serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious skin reactions: hives, swelling of the skin, joint pain, swelling of the blood vessels, swelling of the heart, lupus-like conditions, difficulty breathing due to lung problems
- Sudden kidney problems: shortness of breath, tiredness, confusion, nausea, weakness, abnormal heartbeat, swelling in legs, ankles, or feet
- High pressure in the brain: bulging in the soft spot in your baby's head (fontanel), dizziness, headache, ringing in the ear, blurred vision
- Severe diarrhea caused by a bacteria called C. difficile: severe diarrhea, fever, stomach pain, loss of appetite, throwing up
- Serious allergic reactions: trouble breathing, hives, swelling of your face, lips, tongue, or throat
Source: DailyMed
The following Demeclocycline 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 as soon as possible if any of the following side effects occur:
For all tetracyclines
More common
Increased sensitivity of skin to sunlight (rare with minocycline)
Rare
Abdominal pain
bulging fontanel (soft spot on head) of infants
headache
loss of appetite
visual changes
yellowing skin
For demeclocycline only
Less common
Greatly increased frequency of urination or amount of urine
increased thirst
unusual tiredness or weakness
For minocycline only
Less common
Pigmentation (darker color or discoloration) of skin and mucous membranes
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:
For all tetracyclines
For minocycline only
More common
Dizziness, light-headedness, or unsteadiness
In some patients tetracyclines may cause the tongue to become darkened or discolored. This effect is only temporary and will go away when you stop taking this medicine.
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.
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