GaviLyte-C With Lemon Flavor Pack

GaviLyte-C With Lemon Flavor Pack is a laxative solution that helps stimulate bowel movements. It also has minerals to replace electrolytes lost in stool.

GaviLyte-C With Lemon Flavor Pack is used to prepare the bowel before a colonoscopy, a barium x-ray, or other intestinal procedures.

GaviLyte-C With Lemon Flavor Pack may also be used for other reasons not mentioned in this medication guide.

Follow all the directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Polyethylene glycol electrolyte powder must be mixed with water to make a solution before using it. Do not add any flavorings like sugar, honey, artificial sweeteners, fruit juices, or other drinks.

Shake the mixture well right before you measure a dose. Drink GaviLyte-C With Lemon Flavor Pack in the exact amounts at the exact time intervals your doctor prescribed.

This medicine comes with instructions about what to eat or drink on your first day of treatment. Each brand may have different instructions.

Do not drink GaviLyte-C With Lemon Flavor Pack if it has been less than 1 hour since you last ate solid food. For best results, take the medicine 2 to 4 hours after you last ate.

The first watery stool should appear within 1 hour after you start drinking GaviLyte-C With Lemon Flavor Pack. Keep taking the medicine until you have finished all doses prescribed by your doctor.

Drink plenty of clear liquids (water, broth, black coffee, tea, clear soda) before, during, and after you take this medicine. Avoid foods and drinks that contain pulp or are red or purple in color. You may also have popsicles (not fruit bars or fudge bars) or gelatin without fruit pieces or toppings.

Do not eat or drink anything within 2 hours before your colonoscopy or other medical test.

Store the unmixed powder at room temperature, away from moisture and heat.

Store the mixed solution in a refrigerator, standing upright.

Throw away any GaviLyte-C With Lemon Flavor Pack you have not used within 24 to 48 hours after it was mixed (follow directions for your specific brand of this medicine).

Do not use GaviLyte-C With Lemon Flavor Pack if you have a perforated bowel, a bowel obstruction, severe constipation, colitis, or toxic megacolon. GaviLyte-C With Lemon Flavor Pack can cause dangerous or life-threatening side effects in people with these conditions.

You should not use this medicine if you are allergic to polyethylene glycol or any other electrolyte solutions (like Pedialyte or Gatorade), or if you have:

• a perforated bowel;
• a bowel obstruction or severe constipation; or
• colitis or toxic megacolon.

GaviLyte-C With Lemon Flavor Pack can cause dangerous or life-threatening side effects in people with these conditions.

People with eating disorders (like anorexia or bulimia) should not use this medicine without a doctor's advice.

Tell your doctor if you have ever had:

• heart problems, or a heart attack;
• an electrolyte imbalance (like low levels of potassium or sodium in your blood);
• kidney disease;
• a seizure;
• gastroesophageal reflux disease (GERD), ulcerative colitis, or other stomach or bowel disorder;
• trouble swallowing, aspiration (accidentally inhaling food or drink);
• a genetic enzyme deficiency called glucose-6-phosphate dehydrogenase (G6PD) deficiency; or
• a drug or alcohol addiction.

Tell your doctor if you are pregnant or breast-feeding.

This medicine may contain phenylalanine. Talk to your doctor before using if you have phenylketonuria (PKU).

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

GaviLyte-C With Lemon Flavor Pack may cause serious side effects. Call your doctor immediately if you have:

• no bowel movement within 2 hours after use;
• vomiting;
• dizziness, feeling like you might pass out;
• little or no urination;
• a seizure; or
• signs of an electrolyte imbalance— increased thirst or urination, dry mouth, confusion, constipation, muscle pain or weakness, leg cramps, irregular heartbeats, tingly feeling.

You may need to drink the liquid more slowly, or stop using it for a short time if you have certain side effects. Call your doctor for instructions if you have:

• gagging, choking, severe stomach pain or bloating;
• nausea, vomiting, headache, trouble drinking liquids, little or no urinating; or
• fever, sudden or severe stomach pain, severe diarrhea, rectal bleeding or bright red bowel movements.

Common side effects of GaviLyte-C With Lemon Flavor Pack may include:

• vomiting, stomach pain, indigestion, bloating;
• rectal pain or irritation;
• hunger, thirst, mild nausea;
• trouble sleeping; or
• dizziness, chills.

This is not a complete list of side effects, and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Talk to your doctor if you cannot drink all of the solution prescribed for you. Your test or procedure may need to be rescheduled if your bowel is not completely cleansed.

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Avoid taking other medications, vitamins, or mineral supplements within 1 hour before drinking GaviLyte-C With Lemon Flavor Pack. A bowel cleansing can make it harder for your body to absorb other medicines you take by mouth.

Do not use other laxatives while using GaviLyte-C With Lemon Flavor Pack unless your doctor has told you to.

Tell your doctor about all the other medicines you are taking, especially:

• heart or blood pressure medication;
• a diuretic or "water pill";
• medicine for anxiety, depression, or mental illness;
• medications for kidney problems or low sodium levels (hyponatremia);
• seizure medication; or
• NSAIDs (nonsteroidal anti-inflammatory drugs) such as aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, indomethacin, meloxicam, and others.

This list is not complete. Other drugs may affect GaviLyte-C With Lemon Flavor Pack, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.