It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood, urine, and other laboratory tests may be needed to check for unwanted effects.
Atrophic gastritis (inflammation in the stomach) may occur, especially if you take this medicine for a long time. Talk with your doctor if you have concerns about this.
Check with your doctor right away if you have a fever, joint pain, skin rash, swelling of the body, feet, or ankles, or unusual weight gain after receiving this medicine. These could be symptoms of acute interstitial nephritis.
Taking this medicine for a long time may make it harder for your body to absorb vitamin B12. Tell your doctor if you have concerns about vitamin B12 deficiency.
Check with your doctor right away if you have watery stool that does not go away, stomach pain, and fever while taking this medicine.
Pantoprazole may increase your risk of having fractures of the hip, wrist, and spine. This is more likely if you are 50 years of age and older, if you receive high doses of this medicine, or use it for one year or more.
This medicine may cause hypomagnesemia (low magnesium in the blood). This is more likely to occur if you are taking this medicine for more than one year, or if you are taking this medicine together with digoxin (Lanoxin®) or certain diuretics or "water pills". Check with your doctor right away if you have convulsions (seizures), fast, racing, or uneven heartbeat, muscle spasms (tetany), tremors, or unusual tiredness or weakness.
Do not stop taking this medicine without first checking with your doctor, or unless told to do so by your doctor.
Before you have any medical tests, tell the medical doctor in charge that you are taking this medicine. The results of some tests may be affected by this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription (eg, atazanavir, nelfinavir, Reyataz®, Viracept®) or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.