-medicines that change urine pH like ammonium chloride, sodium bicarbonate, and others
-medicines that treat or prevent blood clots like warfarin
-methotrexate
-pyrazinamide
-some medicines for diabetes
-some medicines for gout
-steroid medicines like prednisone or cortisone

They need to know if you have any of these conditions:
-child with chickenpox, the flu, or other viral infection
-kidney disease
-liver disease
-an unusual or allergic reaction to salicylic acid, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor is your symptoms do not get better or if they get worse.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

Use of this medicine in children under 12 years or in patients with kidney or liver disease may increase the risk of serious side effects. These patients should not use this medicine over large areas of skin. If you notice symptoms such as nausea, vomiting, dizziness, loss of hearing, ringing in the ears, unusual weakness or tiredness, fast or labored breathing, diarrhea, or confusion, stop using this medicine and contact your doctor or health care professional.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Throw away any unused medicine after the expiration date.