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HalfLytely and Bisacodyl Warnings and Precautions

Specific Precautions and Warnings With HalfLytely and Bisacodyl

Some warnings and precautions to be aware of prior to using this laxative include the following:
  • It is important to stay hydrated while using this medication by drinking plenty of clear liquids. Dehydration may increase your risk for serious side effects, such as seizures, kidney problems, and heart rhythm problems. If you develop severe vomiting, or signs of dehydration, contact your healthcare provider. Signs of dehydration may include:
    • Thirst
    • Less frequent urination
    • Headaches
    • Fatigue
    • Lightheadedness or dizziness
    • Dark-colored urine.
  • There have been rare reports of seizures associated with electrolyte (i.e., potassium and sodium) problems in people taking HalfLytely and Bisacodyl. Certain people, including those with a history of seizures, who have low blood sodium (hyponatremia) or potassium (hypokalemia), or who take certain medications (see HalfLytely and Bisacodyl Drug Interactions) may have an increased risk for these problems. Such people should have certain blood tests before and after their colonoscopy.
  • People with kidney disease may have an increased risk for electrolyte problems while using HalfLytely and Bisacodyl. If you have kidney disease, it is important to stay hydrated while using this medication. You may also need certain blood tests before and after your colonoscopy.
  • There have been rare reports of serious heart rhythm problems with the use of bowel-prep products, including HalfLytely. Make sure your healthcare provider knows if you have heart problems, such as heart failure or arrhythmias, prior to taking HalfLytely and Bisacodyl. You may need an electrocardiogram (ECG) before and after your colonoscopy.
  • A rare but serious condition called ischemic colitis (a sudden swelling of the colon due to decreased blood flow) has been reported in some people taking HalfLytely and Bisacodyl. If you develop severe stomach pain or rectal bleeding, stop using this medication and contact your healthcare provider immediately.
  • If abdominal swelling (distention), bloating, or discomfort occurs while using HalfLytely and Bisacodyl, temporarily stop taking the medication, or try drinking each portion more slowly until the symptoms lessen. Some temporary abdominal (stomach) discomfort and swelling are normal when you first start drinking HalfLytely and Bisacodyl. If symptoms persist, contact your healthcare provider.
  • People with difficulty swallowing, with an impaired gag reflex, or who otherwise may be at risk for vomiting and potentially breathing in (aspirating) HalfLytely and Bisacodyl solution should be monitored closely while using this medication.
  • If your healthcare provider believes you may have a hole or blockage in your intestines (bowel perforation or obstruction), he or she may recommend certain tests before you take HalfLytely and Bisacodyl. Symptoms of a bowel obstruction or perforation may include:
    • Nausea and vomiting
    • Severe abdominal (stomach) pain
    • Abdominal (stomach) distention or swelling
    • Abdominal (stomach) pain and cramping.
  • No additional ingredients (other than one of the included flavor packs) should be added to HalfLytely and Bisacodyl solution, including any other flavorings or liquids.
  • Rare cases of an allergic reaction have been reported in some people using medications like HalfLytely and Bisacodyl. Stop the medication and talk to a healthcare provider if you develop any signs of an allergic reaction, such as:
    • A skin rash
    • Hives
    • Itching
    • Swelling of the face, tongue, or lips
    • Shortness of breath.
  • HalfLytely and Bisacodyl is considered a pregnancy Category C medication. This means that it may not be safe for use during pregnancy, although the full risks are currently unknown. Talk to your healthcare provider about the risks and benefits of using this product when pregnant (see HalfLytely and Bisacodyl and Pregnancy).
  • It is unknown if HalfLytely and Bisacodyl passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider prior to taking the drug (see HalfLytely and Bisacodyl and Breastfeeding).

HalfLytely and Bisacodyl Medication Information

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