Adalat (nifedipine) is in a class of drugs called calcium channel blockers.

Nifedipine relaxes (widens) your blood vessels (veins and arteries), which  worsening angina;
makes it easier for the heart to pump and reduces its workload.
Adalat is used to treat hypertension (high blood pressure) and angina (chest
 feeling like you might pass out;
pain).  feeling short of breath, swelling in your hands or feet;
Adalat may also be used for other purposes not listed in this medication
guide.  fast or pounding heartbeats;
Important information about Adalat
You should not use Adalat if you are allergic to nifedipine.  numbness or tingly feeling;
Before taking Adalat, tell your doctor if you have kidney or liver disease
(especially cirrhosis), coronary artery disease, congestive heart failure, or
 jaundice (yellowing of the skin or eyes); or
digestive problems.
If you need surgery, tell the surgeon ahead of time that you are using Adalat.
 chest pain or heavy feeling, pain spreading to the arm or
shoulder, nausea, sweating, general ill feeling.
You may need to stop using the medicine for a short time. Less serious Adalat side effects may include:
Many drugs can interact with Adalat. Tell your doctor about all other
medications you use.  headache, dizziness;
Do not stop taking Adalat without first talking to your doctor, even if you feel
fine. Stopping suddenly may make your condition worse. High blood pressure  drowsiness, tired feeling;
often has no symptoms. You may need to use blood pressure medication for
the rest of your life.  nausea, constipation, diarrhea, stomach pain;
Before taking Adalat
You should not use Adalat if you are allergic to nifedipine.
 sleep problems (insomnia);
If you have any of these other conditions, your doctor may need to adjust  mild rash or itching;
your dose of Adalat or order special tests:
 kidney disease;
 joint pain, leg cramps;

 liver disease (especially cirrhosis);

 warmth, redness, or tingly feeling under your skin; or

 coronary artery disease;

 urinating more than usual.
This is not a complete list of Adalat side effects and others may occur. Call
 congestive heart failure; or your doctor for medical advice about side effects. You may report side effects
to FDA at 1-800-FDA-1088 1-800-FDA-1088 .
 digestive problems. What other drugs will affect Adalat?
FDA pregnancy category C. It is not known whether Adalat will harm an Tell your doctor about all other medicines you use, especially:
unborn baby. Tell your doctor if you are pregnant or plan to become pregnant
while using this medication. Nifedipine can pass into breast milk and may
 acarbose (Precose);
harm a nursing baby. Do not use Adalat without telling your doctor if you are  cimetidine (Tagamet);
breast-feeding a baby.
 fentanyl (Actiq, Duragesic, Fentora) or other narcotic pain
How should I take Adalat? medications;
Take Adalat exactly as prescribed by your doctor. Do not take in larger or
smaller amounts or for longer than recommended. Follow the directions on  digoxin (Lanoxin);
your prescription label.
Your doctor may occasionally change your dose to make sure you get the best
 nefazodone;
results.  St. John's wort;
Take the Adalat CC tablet on an empty stomach. Do not crush, chew, or
break an extended-release tablet. Swallow it whole. Breaking the pill may  rifampin (Rifadin, Rifater, Rifamate) or rifapentine (Priftin);
cause too much of the drug to be released at one time.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are  a blood thinner such as warfarin (Coumadin);
sweating more than usual. These conditions can lead to severely low blood
pressure. If you need surgery, tell the surgeon ahead of time that you are  an antibiotic such as dalfopristin/quinupristin (Synercid) or
using Adalat. You may need to stop using the Adalat for a short time. Do not erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin);
stop taking Adalat without first talking to your doctor, even if you feel fine.
Stopping suddenly may make your condition worse. High blood pressure
 antifungal medication such as fluconazole (Diflucan),
itraconazole (Sporanox), or ketoconazole (Nizoral);
often has no symptoms. You may need to use blood pressure medication for
the rest of your life.  a beta-blocker such as atenolol (Tenormin, Tenoretic),
Your blood pressure will need to be checked often and you may need other carvedilol (Coreg), labetalol (Normodyne, Trandate),
blood tests at your doctor's office. Visit your doctor regularly. metoprolol (Lopressor, Toprol), nadolol (Corgard),
Store Adalat at room temperature away from moisture and heat. propranolol (Inderal, InnoPran), sotalol (Betapace), timolol
What happens if I miss a dose? (Blocadren), and others;
Take the missed dose as soon as you remember. Skip the missed dose if it is
almost time for your next scheduled dose. Do not take extra Adalat to make  a heart rhythm medication such as quinidine (Quin-G) or
up the missed dose. flecaininde (Tambocor);
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-  HIV/AIDS medicine such as atazanavir (Reyataz), delavirdine
1222 1-800-222-1222 . (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan),
Overdose symptoms may include severe dizziness, pounding heartbeats, nelfinavir (Viracept), or ritonavir (Norvir);
nausea, vomiting, and feeling like you might pass out.
What should I avoid while taking Adalat?
 medicines used to prevent organ transplant rejection, such as
Grapefruit and grapefruit juice may interact with Adalat and lead to sirolimus (Rapamune) or tacrolimus (Prograf);
potentially dangerous effects. Discuss the use of grapefruit products with  other heart or blood pressure medications such as benazepril
your doctor. Do not increase or decrease the amount of grapefruit products in (Lotensin), diltiazem (Cartia, Cardizem), doxazosin (Cardura),
your diet without first talking to your doctor. or verapamil (Calan, Covera, Isoptin, Verelan); or
Avoid getting up too fast from a sitting or lying position, or you may feel
dizzy. Get up slowly and steady yourself to prevent a fall. Drinking alcohol  seizure medication such as carbamazepine (Carbatrol,
can lower your blood pressure further and may increase certain side effects of Tegretol) or phenytoin (Dilantin).
Adalat. This list is not complete and other drugs may interact with Adalat. Tell your
Adalat side effects doctor about all medications you use. This includes prescription, over-the-
Get emergency medical help if you have any of these signs of an allergic counter, vitamin, and herbal products. Do not start a new medication without
reaction to Adalat: hives; difficult breathing; swelling of your face, lips, telling your doctor.
tongue, or throat. Call your doctor at once if you have a serious side effect
while using Adalat such as: