Like all medicines, this medicine can cause side effects although not everybody gets them.
Problems with the central nervous system:
Headache, dizziness, light-headedness, depression, vertigo (sensation that things around you are moving) and tiredness (including feeling unwell and listlessness).
Reactions reported infrequently include anxiety, confusion, fainting, drowsiness, fits, coma, peripheral neuropathy which may be experienced as loss of sensation, numbness, tingling, and pricking sensations, sensitivity to touch, or muscle weakness, involuntary muscle movements, sleeplessness, hallucinations (seeing or hearing things that are not there), mental disorders including a loss of personal identity. Rarely, pins and needles, speech problems, worsening of epilepsy and parkinsonism symptoms (symptoms that mimic those of Parkinson’s disease such as tremor or abnormal movements). If these side effects are severe you may need to stop treatment with this medicine. You should talk to your doctor.
Problems with the digestive system:
The most frequent reactions are nausea, loss of appetite, vomiting, trapped wind, constipation, and diarrhoea.
Reactions reported infrequently include inflammation of the mouth and stomach, wind, narrowing and/or obstruction of the intestines which may be seen as a swollen abdomen, and vomiting.
Liver disorders:
Rarely, inflammation of the liver and jaundice, symptoms of which may be yellowing of the eyes and skin.
Heart and kidney disorders:
High or low blood pressure, abnormal heartbeat, chest pain, palpitations, heart failure, kidney problems which can lead to water retention, reduction in the amount of urine passed, protein and blood in the urine, increased levels of urea in the blood.
These changes in urine and blood composition would normally be picked up in urine or blood tests.
Blood disorders:
Infrequently, blood disorders which are usually detected in blood tests, but may be seen as pale skin, tiredness, fever, sore throat and mouth, small red spots on the skin, bruising or prolonged bleeding after Injury. Blood disorders such as leucopenia and anaemia may be seen with symptoms of severe chills, mouth ulcers, headache, shortness of breath and dizziness.
Eye disorders:
Infrequently, blurred vision, double vision, pain in the eye and other visual disturbances.
Problems with the ear:
Ringing in the ears and other hearing disturbances, including deafness rarely.
Other side effects:
Bleeding from the vagina in women;
Increased levels of sugar in the blood, sugar in the urine, high levels of potassium in the blood, which are generally diagnosed by laboratory tests;
Flushing and sweating;
Bleeding from the nose;
Breast changes including enlargement and tenderness in men and women;
Ulcers in the lining of the mouth.
Side effects associated with the use of Indometacin suppositories
Bleeding, inflammation, burning pain, discomfort, itching or the feeling of a full back passage.