Side Effects of Synphase


Combined Contraceptive Pill »

As with any medication, there have been a number of side effects that have been associated with Synphase. These are rare but some are more common than others. The majority of women experience side effects in the first few months of usage if they are to experience any at all. However, if you experience side effects for a long period of time or you experience any of the serious side effects, contact your doctor immediately.

You may experience nausea, stomach pain or vomiting whilst using Synphase. Other common side effects include weight changes, high blood pressure, changes in sex drive, changes in appetite, irregular bleeding, depression, tender breasts or headaches. If the headaches are severe, seek medical attention. Also, if the bleeding is unusually heavy and long lasting, contact your doctor.

There are some side effects that should be reported immediately because they are signs of dangerous medical conditions. Although rare, there are risks associated with the pill so if you experience chest pains, swelling of limbs, severe headaches for the first time, pains in your legs, difficulty breathing, numbness in limbs, dizziness, problems with vision or speech or you cough up blood, seek medical help immediately.

Synphase risks

There are a few risks that are associated with Synphase. There is a chance that the pill will slightly increase the risk of breast cancer, cervical cancer and blood clots. The pill has also been linked to a rare form of liver disease. These conditions are unlikely but there is a slight increase in the number of cases in women who use the pill when compared to the population.

You may be at risk of blood circulatory problems because the pill contains oestrogen, which is a natural coagulant. This means that it makes your blood clump together more often than usual. The blood can form clots in blood vessels and restrict blood flow. If this happens in vessels that supply the heart or the brain, the flow can be cut off and it will result in a heart attack or a stroke. Blood clots can also be dangerous if they form in the lower leg because they can break off and travel to the lungs where they cause a pulmonary embolism. You are more at risk of a blood clot if you use the pill and smoke, are overweight, have a history of the condition or have high levels of cholesterol.

There is also a risk of breast cancer. Any woman is at risk of this disease regardless of pill use but it is rare under the age of 40. However, the pill can cause a slight increase in the risk of cancer and this risk increase with age. The risk increases depending on when you stop using the pill rather than how long you use it for. You are more at risk if you stop using the pill when you are 40 than if you stop using it at 30. The risk reduced 10 years after you stop using the pill. You are more at risk the older you are and if you have any family members with a history of the condition or if you are severely overweight.

There is also an association between the pill and some liver diseases. This is very rare but it has been found that there may be an increased risk if you use the pill for a long period of time.  There is also a slight increase in the risk of cervical cancer if you use the pill for a long time although this may be due to other factors.


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