Yes you are experiencing s.effect from Nifedine such as:
Can tou be more specific regardin what you are feelin in your head please?
Contact your Doctor I believe tyou must discuss the side effects which you are undergiong after takink this med after severeal months?
I hope nothing is serious and that you will be OK.
Calcium Channel Blockers - Side Effects
Common side effects:
Swelling of the abdomen, ankles, or feet
Less common side effects:
Very fast or very slow heartbeat
Wheezing, coughing, or shortness of breath
Numbness or tingling in the hands or feet
Constipation (especially when taking verapamil)
Rare side effects:
Yellowing of the skin or eyes (jaundice)
Bleeding, swollen, or tender gums
Again, tell your doctor right away if you have any of these side effects. Do not stop taking your medicine unless your doctor tells you to. If you stop taking your medicine without checking with your doctor, it can make your condition worse.
GENERIC NAME: nifedipine
The most common Procardia XL side effects included:
Swelling or water retention (edema)
Other common side effects (occurring in 1 to 3 percent of people) included:
Insomnia or drowsiness
Abdominal pain (stomach pain)
Dry mouth (see Procardia XL and Dry Mouth)
Impotence (see Procardia XL and Impotence).
A heart attack
Signs of very low blood pressure, such as dizziness or lightheadedness, especially when accompanied by fainting
Severe swelling, water retention, or difficulty breathing, which may be signs of heart failure
Breast enlargement in men (gynecomastia)
Signs of an allergic reaction, including an unexplained rash, hives, itching, unexplained swelling, wheezing, or difficulty breathing or swallowing.
Rare Procardia XL Side Effects
There are other possible Procardia XL side effects that can occur. These rare side effects occur in 1 percent of people or less. For these side effects, it is difficult to tell whether the side effect is actually caused by the Procardia XL medicine or other factors.
Some of these rare Procardia XL side effects include, but are not limited to:
Decreased sex drive
Weight gain (see Procardia XL and Weight Gain)
Contact your Doctor with regards to the side effect you are experiebcing rom this mad and explain the situation as you have done here.
Best of luck... from a caring individual.