Like all medicines, this medicine can cause side effects, although not everybody gets them.
Some side effects can be serious and need immediate medical attention: A few patients have experienced these serious side effects (may affect up to 1 in 1,000 people). If any of the following happen, tell the doctor straight away: Allergic reaction with symptoms such as rash, itching, swelling of face or lips or tongue, difficulty breathing, low blood pressure (feeling of faintness, lightheadedness).
Other possible side effects of Wamlox: Common (may affect up to 1 in 10 people): Influenza (flu); blocked nose, sore throat and discomfort when swallowing; headache; swelling of arms, hands, legs, ankles or feet; tiredness; asthenia (weakness); redness and warm feeling of the face and/or neck.
Uncommon (may affect up to 1 in 100 people): Dizziness; nausea and abdominal pain; dry mouth; drowsiness, tingling or numbness of the hands or feet; vertigo; fast heartbeat including palpitations; dizziness on standing up; cough; diarrhoea; constipation; skin rash, redness of the skin; joint swelling, back pain; pain in joints.
Rare (may affect up to 1 in 1,000 people): Feeling anxious; ringing in the ears (tinnitus); fainting; passing more urine than normal or feeling more of an urge to pass urine; inability to get or maintain an erection; sensation of heaviness; low blood pressure with symptoms such as dizziness, lightheadedness; excessive sweating; skin rash all over the body; itching; muscle spasm.
If any of these affect the patient severely, he/she should tell the doctor.
Side effects reported with amlodipine or valsartan alone and either not observed with Wamlox or observed with a higher frequency than with Wamlox: Amlodipine: Consult a doctor immediately if any of the following very rare, severe side effects are experienced after taking this medicine: Sudden wheeziness, chest pain, shortness of breath or difficulty in breathing; Swelling of eyelids, face or lips; Swelling of the tongue and throat which causes great difficulty breathing; Severe skin reactions including intense skin rash, hives, reddening of the skin over the whole body, severe itching, blistering, peeling and swelling of the skin, inflammation of the mucous membranes (Stevens-Johnson syndrome, toxic epidermal necrolysis) or other allergic reactions; Heart attack, abnormal heartbeat; Inflamed pancreas, which may cause severe abdominal and back pain accompanied with feeling of being very unwell.
The following side effects have been reported. If any of these cause problems or if they last for more than one week, the patient should contact the doctor.
Common (may affect up to 1 in 10 people): Dizziness, sleepiness; palpitations (awareness of the heartbeat); flushing, ankle swelling (oedema); abdominal pain, feeling sick (nausea).
Uncommon (may affect up to 1 in 100 people): Mood changes, anxiety, depression, sleeplessness, trembling, taste abnormalities, fainting, loss of pain sensation; visual disturbances, visual impairment, ringing in the ears; low blood pressure; sneezing/runny nose caused by inflammation of the lining of the nose (rhinitis); indigestion, vomiting (being sick); hair loss, increased sweating, itchy skin, skin discolouration; disorder in passing urine, increased need to urinate at night, increased number of times of passing urine; inability to obtain an erection, discomfort or enlargement of the breasts in men, pain, feeling unwell, muscle pain, muscle cramps; weight increase or decrease.
Rare (may affect up to 1 in 1,000 people): Confusion.
Very rare (may affect up to 1 in 10,000 people): Decreased number of white blood cells, decrease in blood platelets which may result in unusual bruising or easy bleeding (red blood cell damage); excess sugar in blood (hyperglycaemia); swelling of the gums, abdominal bloating (gastritis); abnormal liver function, inflammation of the liver (hepatitis), yellowing of the skin (jaundice), liver enzyme increase which may have an effect on some medical tests; increased muscle tension; inflammation of blood vessels often with skin rash, sensitivity to light; disorders combining rigidity, tremor and/or movement disorders.
Valsartan: Not known (frequency cannot be estimated from the available data): Decrease in red blood cells, fever, sore throat or mouth sores due to infections; spontaneous bleeding or bruising; high level of potassium in the blood; abnormal liver test results; decreased renal functions and severely decreased renal functions; swelling mainly of the face and the throat; muscle pain; rash, purplish-red spots; fever; itching; allergic reaction; blistering skin (sign of a condition called dermatitis bullous).
If any of these are experienced, tell the doctor straight away.
Reporting of side effects: If any side effects occur, talk to the doctor or pharmacist. This includes any possible side effects not listed in this monograph.