Welchol Side Effects: I started taking Welchol in February of 2009. Took 4-6 pills a da http://www.medications.com/effect/view/41806 I started taking Welchol in February of 2009. Took 4-6 pills a day. I began to have heart palpitations, and flutterings of the heart soon after. I did not see any connection to my symptoms with the Welchol. I went to the doctor and he did a CT and told m You might want to have your physician check you for Pulmonary Art Sun, 01 Nov 2009 10:44:01 -0500 http://www.medications.com/effect/view/41806?item=24077 You might want to have your physician check you for Pulmonary Arterial Hypertension. This condition can be caused by lingering Lymes or mycotoxic exposure that cause low VIP (vasoactive intestinal polypeptide) which among a phlerthora of other things cause http://www.medications.com/effect/view/41806?item=24077