You may experience more redness, itching, skin scaling, peeling and dry skin the first several weeks as your body adjusts to the medication. Dry eyes, eye irritation, crusting of the eye lids, increased sensitivity to sunlight, dry mouth, peeling of the skin of fingertips, palms or soles of feet, chapped lips, runny nose, thirst, taste changes and hair loss may also occur. If any of these effects persist or worsen, inform 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 serious side effects occur: decreased night vision, other vision changes, fever, chills.
Tell your doctor immediately if any of these unlikely but serious side effects occur: aches and pain in the bones or joints, difficulty moving.
Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: severe headache, nausea, vomiting, mood changes (e.g., depression, aggressive or violent behavior, and in rare cases thoughts of suicide), yellowing of the skin or eyes, dark urine, stomach pain.
Contact lens wearers may be uncomfortable while taking this drug because it causes dry eyes.
A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), 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.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.