The side effects of rat poison or rodenticide depends on the type of poison, but could include nausea, vomiting, chest pain, diarrhea, respiratory failure and unexplained bleeding. Both humans and pets can suffer negativ... More »

Although designed to kill rats, any mammal is at risk if D-con is ingested, with side effects including weakness, general lethargy, breathing difficulties, lack of appetite and blood in the urine. Pets such as dogs and c... More »

Thallium is the element used as rat poison and in the electro-technical and chemical industries. The element was discovered by Sir William Crookes in 1861 and appears as No. 81 on the periodic table. More »

Common side effects associated with antibiotics include diarrhea, indigestion and bloating, loss of appetite and feeling sick, according to NHS Choices. Tetracyclines increase skin sensitivity to both natural and artific... More »

Common, and less severe, side effects of omeprazole include diarrhea, stomach cramps and head pain, according to WebMD. Infrequent side effects range from acute sinus infections, coughing, chest pain, fever and itching. ... More »

Monosodium glutamate doesn’t cause side effects because it isn’t a medical treatment, but this common food additive appears to trigger adverse reactions such as headaches, nausea and facial tightness in certain people, a... More » Health Nutrition & Diets

Possible side effects of arginine include bloating, diarrhea, gout, abdominal pain and blood abnormalities, but the medication may be beneficial in treating chest pain, erectile dysfunction, high blood pressure and some ... More » Health Medications & Vitamins Side Effects