Readi-Cat 2 for Computed Tomography User Reviews

• Mar...
• July 12, 2021

"One bottle last night before 8. Terrible heartburn (Tums which let me keep the medication down) & upset stomach till 12:30 when the bowels began to move. I had to do Lamaze breathing techniques to get through some of the pain; pain is very similar to a lactose attack. That lasted till 3:30 and it was total liquid. My stomach felt and continues to feel very bloated. (5 pm). I drank another bottle before my appointment plus another 6-8 ounces immediately prior to scan. The IV was not an issue and the scan was very quick and easy. I have felt queasy all day and only eating pretzels and water. All day my insides have sounded like rushing water and a wicked thunderstorm or fireworks. I just keep pushing the water. I don’t want to eat anything. Apparently not all people have this reaction. I am lactose intolerant, but there is no lactose listed as an ingredient. However, I might ask about taking Lactaid and Beano next time. My scan came out well. I just wish I’d been prepared for this."

• Anonymous
• January 25, 2012

"Terrible. Developed rash all over within minutes of drinking a cup of Readi-Cat 2. Test was postponed, and I was sent home. It took hours for the rash to clear. Thanks to a nurse who noticed the rash and stopped the procedure."

• Gr8...
• August 9, 2018

"Here I lay Thursday, having drunk two bottles of Readi-Cat 2 oral (1 Sunday and 1 early Monday morning). I think I am having a reaction to the Readi-Cat 2. After drinking one bottle, I felt very full, somewhat nauseous, and just rather bad (achy joints, intestinal tightness). I called the imaging place the next morning (Monday) and was told to drink the 2nd bottle anyway. I have been having problems with IBS-C, and here it is Wednesday, 2 a.m. I was so dizzy and sweaty during the night, and now I am dizzy and shaky, too. I have not managed to get the Readi-Cat smoothie out of my system, and it feels like I swallowed concrete. I will call both my PCP, GI, and imaging place when they open. My suggestion to others might be to discuss taking Readi-Cat smoothie with the doctor for guidance before taking it, especially if you are already constipated. The vanilla smoothie tastes good but has sorbitol in it. I am obviously sensitive to something in this and know sorbitol is probably one."

• C V...
• Taken for 1 to 6 months
• November 17, 2023

"This was not the awful regimen I've gone through previously. The taste was much better than all the others. It didn't upset my stomach or cause diarrhea. I was told I could refrigerate it and I did, I think that tasted better. Overall, it was an excellent improvement from previous times."

• Koa...
• Taken for less than 1 month
• May 16, 2025

"I was so worried about the experience of drinking my Readi-Cat 2 vanilla smoothies that I was making myself sick, thanks to the negative experiences I found on forums. I used the old hold-your-nose closed while drinking to avoid tasting it, so I wouldn't want to gag. I used a large diameter milkshake straw and found I had to pace myself to avoid drinking it too fast. After a few sips, still nose plugged, I wiped my mouth, swished ice water in my mouth, and spit that out twice, then took a drink of water and unplugged my nose. I tasted nothing except a faint artificial sweetener aftertaste and vanilla. I had no trouble drinking the two bottles in this manner. I had mild nausea, starting 30 minutes after the first bottle and continuing for a couple of hours after the scan. I had no cramps or diarrhea. I had gas later that night and a normal poop the next morning. All the worry and fear was for nothing."

• Big...
• Taken for less than 1 month
• December 21, 2015

"Tastes so nasty, made me want to throw up even more."