Side effects of generic Aciphex, known as rabeprazole sodium, include diarrhea, rash, sore throat, nervousness and insomnia, according to RxList. Serious side effects include arthralgia, hepatitis, encephalopathy, edema and dizziness. Breathing problems, hives, and facial, throat, lips or tongue swelling are signs of an allergic reaction for which patients should seek emergency medical attention. Rabeprazole patients who display symptoms of low magnesium, including confusion, rapid heart rate or muscle spasms, should stop taking the drug and contact their doctors immediately.
Rabeprazole sodium is a proton pump inhibitor that causes vitamin B-12 deficiencies on rare occasions, notes RxList. Patients who take the drug every day for 36 months or more have an elevated risk of developing deficiencies. Patients experiencing deficiency signs, such as a sore tongue, tingling or numbness of the extremities, or severe weakness, should notify their physicians quickly.
Clinical studies show that pediatric patients ages 1 to 11 years and adolescent patients ages 12 to 16 years taking rabeprazole experience the same common side effects as adults, including headache, nausea, abdominal pain and vomiting, states RxList. Doctors prescribe rabeprazole sodium to treat gastroesophageal reflux disease, duodenal ulcers and to reduce stomach acid. Rabeprazole also treats Helicobacter pylori bacterial infections in the stomach when doctors combine it with antibiotics.