Silica Gel Packets Packets commonly packaged with foods, clothing, and other dry goods. How toxic is it? Usually Non Toxic Mildly Toxic Highly Toxic Silica gel packets are a choking hazard, but not inherently toxic. Silica is a sand-like substance that absorbs moisture. Call 1 (800)-222-1222 Text 206-526-2121 Chat with a Poison Specialist Common brands & formats What to do Swallowed Symptoms If granules are ingested, symptoms are not expected. Ingesting the packet can be a choking hazard What to do If no coughing or choking is present, give the patient a snack and fluids and monitor the patient for any signs of choking. If any choking call 911