Kaopectate Anti-Diarrheal Upset Stomach Reliever and stomach

I have 21 years of age and my experience with the drug Kaopectate was appalling, I had a strong Diarrhea for two days and usually fix the problem with Pepto-Bismol but this time it does not work without result so I decided to try for first time Kaopectate and with a single dose caused me a problem of constipation strong after three days without going to the bath or a night awoke feeling that my stomach would explode, difficulty breathing, nausea and pain three months I have this problem I have spent thousands dollars and all this time has been a nightmare I could not eat or even drink water, I could stomach inflammation causing pain and nausea my normal weight was 140 pounds and lost 15 pounds in three weeks, now slowly improving and I am Kaopectate opinion is a very strong medicine and I think that is a danger that is available without prescription.