Medicine Name: Snake Venom Antiserum Injection. Composition: Standard Cobra Venom (Naja naja) (0.6mg) + Standard common krait Venom (Bangarus caeruleus) (0.45mg) + Standard Russels Viper Venom (Vipera russelli) (0.6mg) + Snake Venom Antiserum (Polyvalent) (0.45mg). Side Effects: Headache Nausea Vomiting Diarrhea Stomach pain Chills Muscle pain.