POMAXEL can have side effects. Not all side effects reported for POMAXEL are included in this leaflet. Should your general health worsen or if you experience any untoward effects while taking POMAXEL, please consult your health care provider for advice. If any of the following happens, stop taking POMAXEL and tell your doctor immediately or go to the casualty department at your nearest hospital:
- swelling of the hands, feet, ankles, face, lips and mouth or throat, which may cause difficulty in swallowing or breathing,
- rash or itching,
- fainting
These are all very serious side effects listed above. If you have them, you may have had a serious reaction to POMAXEL. You may need urgent medical attention or hospitalisation.
Tell your doctor immediately or go to the casualty department at your nearest hospital if you notice any of the following:
- Flu-like symptoms, fever, shivering, change in behaviour or skin rash, that can be all signs of life-threatening Neutropenic sepsis (low white blood cells in the blood).
- Abnormal bleeding due to low blood platelet count (thrombocytopenia or pancytopenia).
- Low blood levels of sodium, which may cause tiredness and confusion, muscle twitching, fits (epileptic seizures) or coma.
- Brain bleed – symptoms include headache, nausea and vomiting, sudden tingling, weakness, numbness or paralysis of face, arm or leg.
- Heart failure – symptoms include shortness of breath, tiredness, swollen legs and rapid heartbeat.
- Heart attack – symptoms include tightness or pain in the chest, neck, back or arms as well as tiredness, light-headedness, abnormal heartbeat and anxiety.
- Shortness of breath, chest pain and cough, that can be signs of a blood clot in the lung.
- Gastrointestinal bleeding (severe, persistent or bloody diarrhoea (possibly with stomach pain or fever) caused by bacteria called Clostridium difficile).
- Decreased urination, swelling, nausea, tiredness and shortness of breath (due to infection of blood called sepsis or septic shock).
- Tumour Lysis Syndrome (TLS) – symptoms include nausea, vomiting, diarrhoea, muscle cramps, weakness, numbness or tingling, tiredness, irritability, decreased urination, irregular heart rate, confusion, restlessness, delirium, hallucinations or seizures.
- Trouble walking, speaking and understanding, as well as paralysis or numbness of the face, arm or leg (stroke).
- Widespread rash, blisters, peeling, red skin, high body temperature, tiredness, flu-like symptoms, sore throat, coughing, itching, mouth-ulcers, it may be signs of Steven Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN) or Drug Reaction with Eosiniphilia and Systemic Symptoms (DRESS).
- Neutropenia, febrile neutropenia, pancytopenia or leukopenia (fever, mouth ulcer, sore throat, or susceptibility to infection due to low white blood cell count).
- Depressed level of consciousness.
- Yellowing of the skin and whites of the eyes, darkening of urine, sometimes to a brownish tone or/and abdominal pain, nausea, tiredness.
- Hepatitis B reactivation (yellowing of the eyes or skin (jaundice), loss of appetite, nausea or vomiting, lighter coloured stools, pain in the liver).
These are all serious side effects. You may need urgent medical attention.
Tell your doctor if you notice any of the following:
Frequent side effects:
- Pneumonia, Bronchopneumonia, Bronchitis, Respiratory tract infection or Upper respiratory tract infection (infection that inflames the air sacs in one or both lungs, that can be due to bacterial, viral or fungal infections, including opportunistic infections).
- Cold symptoms due to Nasopharyngitis (common viral infection of the nose and throat).
- Herpes zoster (painful rash that may appear as a stripe of blisters on the torso).
- Tiredness, skin paleness, shortness of breath, light-headedness, dizziness or a fast heartbeat, due to low red blood cell count (anaemia pr pancytopenia).
- Angioedema (swelling of the deeper layers of the skin, caused by a build-up of fluid).
- Hives (itchy, raised, red or skin-coloured welts on the skin's surface).
- Decreased appetite.
- High blood levels of potassium, which may cause abnormal heart rhythm.
- High blood levels of uric acid, which may cause severe pain in joints, joint stiffness, redness and swelling.
- Confusional state.
- Weakness, numbness and pain from nerve damage, usually in the hands and feet (peripheral sensory neuropathy).
- Dizziness.
- Involuntary shaking or movement.
- Dizziness/ vertigo.
- Irregular, rapid heart rate.
- Leg pain or swelling, that can be signs of a blood clot.
- Shortness of breath.
- Cough.
- Nosebleed.
- Diarrhoea, nausea, constipation or vomiting.
- Rash.
- Itchy skin.
- Bone pain.
- Muscle spasms.
- Difficulty urinating.
- Pain or discomfort, ranging from a sharp jab to a dull ache, in the lowest part of the abdomen and pelvis.
- Tiredness.
- Fever.
- Swelling of the lower legs or hands.
- Increased Alanine aminotransferase (ALT). An ALT test measures the amount of this enzyme in the blood. Higher-than-normal levels of ALT can indicate liver damage.
Less frequent side effects:
- Interstitial lung disease (scarring of the lungs). Symptoms include a dry cough and shortness of breath.
- Basal cell carcinoma or squamous cell carcinoma (types of skin cancer).
- Underactive thyroid, that include symptoms such as fatigue, cold sensitivity, constipation, dry skin and unexplained weight gain.
If you notice any side-effects not mentioned in this leaflet, please inform your doctor or pharmacist.
Reporting of side effect
If you get side effects, talk to your doctor. You can also report side effects to SAHPRA via the “6.04 Adverse Drug Reaction Reporting Form”, found online under SAHPRA’s publications: https://www.sahpra.org.za/Publications/Index/8 By reporting side effects, you can help provide more information on the safety of POMAXEL.