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Zantac

What is Zantac

Zantac is in a class of drugs called histamine receptor antagonists. Zantac works by decreasing the amount of acid the stomach produces.

Zantac is used to treat and prevent ulcers in the stomach and intestines. Zantac is also used to treat conditions in which the stomach produces too much acid and conditions in which acid comes up into the esophagus and causes heartburn, such as gastroesophageal reflux disease (GERD).

Zantac may also be used for conditions other than those listed in this medication guide.

General medical information about Zantac

Do not stop taking Zantac without first talking to your doctor. It may take up to 8 weeks for an ulcer to heal.

Do not take antacids within 1 hour of taking Zantac. Antacids may decrease the effectiveness of Zantac.

Who should not take Zantac

Before taking this medication, tell your doctor if you have:
- kidney disease;
- liver disease; or
- porphyria.

You may not be able to take Zantac, or you may require a dosage adjustmentor special monitoring during treatment if you have any of the conditions listed above.

The Zantac 150 mg EFFERdose Tablets and Zantac 150 mg EFFERdose Granules contain 16.84 mg of phenylalanine per 150 mg of ranitidine. Individuals with phenylketonuria may need to monitor their intake of this additive.

Zantac is in the FDA pregnancy category B. This means that it is unlikely to harm an unborn baby. Do not take Zantac without first talking to your doctor if you are pregnant.

Zantac passes into breast milk. Do not take Zantac without first talking to your doctor if you are breast-feeding a baby.

How should take Zantac

Take Zantac exactly as directed by your doctor. If you do not understand these instructions, ask your pharmacist, nurse, or doctor to explain them to you.

Take each dose with a full glass of water.

To ensure that you get the correct dose, measure the liquid form of ranitidine with a dose-measuring spoon or cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist where you can get one.

Dissolve the Zantac 150 mg EFFERdose Tablets and Zantac 150 mg EFFERdose Granules in approximately 6 to 8 ounces of water before drinking.

Do not stop taking Zantac without first talking to your doctor. It may take up to 8 weeks for an ulcer to heal.

Store Zantac at room temperature away from moisture and heat.

If you miss a dose:

Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication unless otherwise directed by your doctor.

What happens if you overdose:

Seek emergency medical attention.

Symptoms of a Zantac overdose include nausea, vomiting, diarrhea, increased saliva production, difficulty breathing, and a fast heartbeat.

Avoid while taking Zantac

There are no restrictions on food, beverages, or activity while taking Zantac, unless otherwise directed by your doctor.

Possible side effects of Zantac

If you experience any of the following serious side effects, stop taking Zantac and call your doctor immediately or seek emergency medical treatment:
- an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
- easy or unusual bruising or bleeding;
- bleeding gums;
- irregular heartbeat; or
- yellowing of the skin or eyes.

Other, less serious side effects may be more likely to occur. Continue to take Zantac and talk to your doctor if you experience
- dizziness;
- headache; or
- diarrhea, nausea, or constipation.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect Zantac

Do not take antacids within 1 hour of taking Zantac. Antacids may decrease the effectiveness of Zantac.

Before taking this medication, tell your doctor if you are taking any of the following medicines:
- triazolam (Halcion); or
- the anticoagulant (blood thinner) such as warfarin (Coumadin).

You may not be able to take Zantac, or you may require a dosage adjustment or special monitoring during treatment if you are taking either of the medicines listed above.

Zantac may affect the actions of other medications by changing the acidity of the stomach. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines during treatment with Zantac.

All prescription drugs:

A
abilify accupril accutane acetaminophen aciphex actifed actonel actos acyclovir adalat adderall adipex advair advil albuterol alesse aleve allegra allopurinol amaryl ambien amiodarone amitriptyline amoxicillin amoxil amphetamine anacin aprazolam aricept asacol aspirin atenolol ativan atorvastatin atrovent augmentin avandia avapro avastin avelox azmacort
B
baclofen
bactrim bactroban baycol benadryl bextra biaxin boniva bontril buspar buspirone
C
caduet campral camptosar capoten captopril cardizem cardura carisoprodol casodex catapress cefzil celebrex celexa cellcept cephalexin cialis cipro ciprodex clarinex claritin climara clindamycin clonazepam clonidine codeine codeprex combivent combivir concerta copaxone coreg coricidin cotrim coumadin cozaar crestor cubicin cyclobenzaprine cymbalta
D
darvocet demerol depakote desogen detrol dextromethorphan diazepam diclofenac didrex diflucan digoxin dilantin diltiazem dimetapp diovan diprivan ditropan doxazosin doxycycline drixoral duragesic dyazide
E
effexor elavil elocon eloxatin emend enalapril enbrel endocet engerix-b entex epogen epzicom erbitux ertaczo ery-tab erythromycin estradiol evista 
F
fabrazyme famotidine fazaclo fenofibrate fioricet fiorinal flexeril flomax flonase flovent fluoxetine fosamax fosrenol furosemide  
G
gabapentin gamimune gemfibrozil gemzar glipizide glucophage glucotrol glucovance glyburide glyburide guaifenesin guaifenex 
H
herceptin humalog humira hydroxyzine hyzaar  
I
ibuprofen imdur imitrex imodium inderal insulin integrilin iressa 
K
kaletra keflex kenalog keppra ketek klonopin kytril  
L
lamictal lamisil lanoxin lantus lasix lescol levaquin levitra levothyroxine levoxyl lexapro lidoderm lipitor lisinopril lithium lorazepam lortab lotensin lotrel lotrisone lovenox lupron luveris  
M
macrobid magnevist meclizine medroxyprogesterone meridia metformin methadone methamphetamine methotrexate methylphenidate methylprednisolone metoclopramide metoprolol metronidazole miacalcin minocycline mobic monopril morphine motrin myfortic  
N
naproxen nasacort nasonex natrecor neulasta neupogen neurontin nexium nifedipine nitrofurantoin norco nortriptyline norvasc  
O
omeprazole omnicef orthovisc oxybutynin oxycodone oxycontin oxytrol  
P
paraplatin patanol paxil pegasys penicillin pepcid percocet percodan percogesic phendimetrazine phenergan phentermine phenytoin plavix plendil potassium pravachol prednisone premarin prempro prevacid prilosec prinivil procrit promethazine propecia propofol propoxyphene propranolol protonix proventil provigil prozac pseudoephedrine pulmicort  
R
ranitidine rebetol reglan relafen relpax remeron remicade renagel renova rhinocort riomet risperdal risperidone ritalin rituxan rocephin rogaine roxicet  
S
sanctura seasonale sensipar serevent seroquel serzone singulair skelaxin soma somavert sonata spiriva spironolactone strattera striant sustiva synagis synthroid 
T
tamoxifen tavist taxol taxotere tegretol temazepam tenormin tenuate tequin terazosin tetracycline tiazac tindamax titralac tobradex topamax toprol tramadol trazodone triamcinolone triaminic triamterene tricor trileptal trimox triphasil trizivir truvada tylenol 
U
ultane ultracet ultram uroxatral
V
valium valtrex vaniqa vasotec velcade verapamil viagra vicodin vicoprofen vidaza viracept viread vytorin  
W
warfarin wellbutrin  
X
xalatan xanax xenical xifaxan xolair xopenex xyrem  
Y
yasmin 
Z
zanaflex zantac zavesca zelnorm zemplar zerit zestoretic zestril zetia ziac zithromax zocor zofran zoladex zoloft zometa zorbtive zosyn zovirax zyrtec zyvox