These are the known side effects of dexamethasone:
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:
problems with your vision; swelling, rapid weight gain, feeling short of breath; severe depression, unusual thoughts or behavior, seizure (convulsions); bloody or tarry stools, coughing up blood; pancreatitis (severe pain in your upper stomach spreading to your back, nausea and vomiting, fast heart rate); low potassium (confusion, uneven heart rate, extreme thirst, increased urination, leg discomfort, muscle weakness or limp feeling); or dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure).
Less serious side effects may include:
sleep problems (insomnia), mood changes; acne, dry skin, thinning skin, bruising or discoloration; slow wound healing; increased sweating; headache, dizziness, spinning sensation; nausea, stomach pain, bloating; muscle weakness; or changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
Some more side effects:
SIDE EFFECTS: Stomach upset, headache, dizziness, menstrual changes, trouble sleeping, increased appetite, or weight gain may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur: signs of infection (e.g., fever, persistent sore throat), bone/joint pain, increased thirst/urination, fast/slow/irregular heartbeat, eye pain/pressure, heartburn, black stools, vomit that looks like coffee grounds, puffy face, swelling of the ankles/feet, stomach/abdominal pain, pain/redness/swelling of arms/legs, tiredness, mental/mood changes (e.g., depression, mood swings, agitation), unusual hair/skin growth, muscle pain/cramps, weakness, easy bruising/bleeding, slow wound healing, thinning skin, seizures.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching, swelling, severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
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