Read the side effects of Phenylbutazone as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Nausea, vomiting and indigestion.
Central Nervous System
Headache, dizziness and drowsiness.
Sudden weight gain, swelling of feet and ankles and difficulty in breathing.
Bloody or black stools, chills, fever, sore throat, yellowing of the eyes and skin, unusual bleeding or bruising, difficult urination, skin rash, mouth sores and unusual tiredness.
Other Precautions :
* Avoid excess dosage.