City of Toronto. Structural engineer (P.Eng.) with more than 20 yearsâ experience in wood, masonry, concrete and steel design for residential, industrial and commercial buildings. Licensed and fully insured.
Let us look at the allergic reactions to Psyllium husk. They are as follows: 1  Breathlessness. 2  Sneezing and flu symptoms. 3  Itches. 4  Rash and even hives. 5  Swelling.
Allergic Reactions and Other Side Effects. Side effects typically only consist of mild gastrointestinal issues. PS may also have a blood-thinning effect, so you don't want to take it with any medications that act as blood thinners. Higher doses of more than 300 milligrams per day may cause upset stomach or insomnia. If you're allergic to soy, avoid PS supplements made from soy, or you may experience an allergic reaction with symptoms such as itching, rash, dizziness, nausea, vomiting, difficulty breathing, fainting or anaphylaxis.