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Doctor insights on: Zantac H2 Receptor Blocker

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Receptor (Definition)

An organ, cell or molecule that accepts an outside signal and causes an internal change. Eyes receive light, touch receptors send messages to the brain when stimulated by pressure and estrogen receptors bind Estradiol causing responses of normal breast, ovary and uterus cells to rising and falling levels of the female steroid hormones. Most of the time "receptor" refers to one ...Read more


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I take these: valsartan(320 mg), amlodipine(10 mg), seroquel(100 mg), concerta(54 mg), depakote(500 mg), paxil(40mg), bupropion(300mg), and Nexium (esomeprazole) (40 mg). Can this combo cause severe low bp? Help.

I take these: valsartan(320 mg), amlodipine(10 mg), seroquel(100 mg), concerta(54 mg), depakote(500 mg), paxil(40mg), bupropion(300mg), and Nexium (esomeprazole) (40 mg). Can this combo cause severe low bp?  Help.

Potentially yes: If you are getting lightheaded or dizzy from this combination you should contact your prescribing physicians or go to the er to have your medication adjusted so that you do not pass out. Stay well hydrated. It is possible for these medications to lower your blood pressure. ...Read more

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Is it ok to take Zantac (ranitidine) when im taking beta blockers and cephalaxin?

Is it ok to take Zantac (ranitidine) when im taking beta blockers and cephalaxin?

Yes: The should not be any issue. I would advise staggering your doses and not taking these medicines together. ...Read more

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Upper endo multi gastric polyps 3-6mm all were benign, Prilosec cause them, should stop Prilosec, or ok keep taking, On Prilosec 10+yrs, scared risks?

Upper endo multi gastric polyps 3-6mm all were benign, Prilosec cause them, should stop Prilosec, or ok keep taking, On Prilosec 10+yrs, scared risks?

Abs: Well interesting question the proton pump inhibitors as well as the h2 blockers were designed to be used up to 8 was. Most people who start them stay on them forever this was not the intended use. You have to modify your lifestyle in other words eat better and exercise. Get rid of all that junk food and soda erc. Eat a healthy lifestyle protein fruits and vegetables and exercise everyday. ...Read more

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What could cause frequent pvcs (benign) daily? Bupropion XL 150mg 3x daily, Prozac (fluoxetine) 20mg, or the combo? Also take 200mg modafinil, levothroid 88mcg.

What could cause frequent pvcs (benign) daily? Bupropion XL 150mg 3x daily, Prozac (fluoxetine) 20mg, or the combo?  Also take 200mg modafinil, levothroid 88mcg.

Your medications: The Modafinil is a stimulant which can cause abnormal hearth rhythms. Your levothroid, if not properly dosed could do it as well, ask your doctor for a blood test to make sure that dose is not too high for you. Being 58 years old, you could have heart problems unrelated to the medications. You should see a doctor to get this evaluated. ...Read more

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I have acid reflux & mild gastritis--looking for best OTC med--am on Dexilant (dexlansoprazole) & Carafate (temp)...will be traveling & need convenience (no Carafate).

I have acid reflux & mild gastritis--looking for best OTC med--am on Dexilant (dexlansoprazole) & Carafate (temp)...will be traveling & need convenience (no Carafate).

Gerd: Dexilant (dexlansoprazole) and Carafate are good combination, either you can leave of the Carafate during travel and may be okay with that, if symptoms bothers off of Carafate, try ranitidine 150 mg at night.l ...Read more

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Can singulair, (montelukast) hydroxizine, or zyrtec cause elevated alk phos?

Can singulair, (montelukast) hydroxizine, or zyrtec cause elevated alk phos?

No elevation : Tiger, i can't find any evidence that any of those medications will increase your alk phos and i used them with patients regularly. Singulair (montelukast) is an anti-inflammatory used for asthma/allergies and it blocks certain areas of the inflammatory pathway. Both Hydroxyzine and zyrtec are traditional anti-histamines and block histamine binding to cells. Do you have elevated alk phos? Why was it checked? ...Read more

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Can Barrett's esophagus stay the same over years time ? I take nexium (esomeprazole) 2x daily 40mg. 30 yo

Can Barrett's esophagus stay the same over years time ? I take nexium (esomeprazole) 2x daily 40mg. 30 yo

Yes.: Yes. Trouble is that it may become malignant. The rate is 0.25% per year. You need to be followed with yearly endoscopic examination and biopsy of suspected spots. Nexium is a good drug for Barrett's esophagus. ...Read more

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Prevacid (lansoprazole) solutabs making gas worse in infant, help?

Prevacid (lansoprazole) solutabs making gas worse in infant, help?

Infant colic: Prevacid (lansoprazole) is not known to cause gas. It is used to reduce acid and thus treat reflux to prevent the esophagus from getting inflamed. It is normally given to children more than 1 years old but is commonly used for newborns. If you are right, i would suggest simply using half the dose for a day or so and see if the "gas" is gone. If not, stay on the Prevacid (lansoprazole) and change your infant's diet. ...Read more

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SPEP test: High Alapha1 .27 (.10-.20) High Alpha1% 3.6% (1.4-2.7%) High Gama 1.23 (.6-.1.2) Low Beta 5.9% (6-9%) and IFE tested positive. Cancer?

SPEP test: High Alapha1 .27 (.10-.20) High Alpha1% 3.6% (1.4-2.7%) High Gama 1.23 (.6-.1.2) Low Beta 5.9% (6-9%) and IFE tested positive. Cancer?

Need more info: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, none of the information you provided suggests cancer. Ife was positive for what? For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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Any hypertensive meds that don't cause hair loss? Vasotec, lebatalol, diovan, bystolic (nebivolol) work but cause hair loss. Benicar doesn't reduce dystolic #.

Any hypertensive meds that don't cause hair loss? Vasotec, lebatalol, diovan, bystolic (nebivolol) work but cause hair loss. Benicar doesn't reduce dystolic #.

Unusual side effect: I have treated pts for forty years, and i can't remember that complained of hair loss after starting any of these agents. That does not mean it never happens (one lesson i've learned in medicine is never say never). Every drug has a huge list of adverse effects because each one a pt complains of in a study gets listed. Vasotec is an ace, Diovan (valsartan) & Benicar r arb's, same effects. Hair loss unlikely. ...Read more

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Lopressor (metoprolol tartrate) 25 mg made me feel bad. Propranolol made me feel fine but i need a selective beta blocker. Which should I try?

Lopressor (metoprolol tartrate) 25 mg made me feel bad. Propranolol made me feel fine but i need a selective beta blocker. Which should I try?

Atenolol: Try atenolol - 12.5 to 100 mg (25 to 50 mg are the most usual doses). Atenolol is a beta 1 specific beta blocker that has the least ability to cross the blood brain barrier of all available beta blockers. It has no intrinsic sympathomimetic activity. It is intrinsically long acting and generally is given as a once a day dose. It's also dirt cheap! ...Read more

Dr. Sanjay Talati
657 doctors shared insights

Ranitidine (Definition)

Treats and prevents heartburn with acid indigestion. Also treats stomach ulcers, gastroesophageal reflux disease (gerd), and conditions that cause your stomach to make too much acid (such as zollinger-ellison syndrome). This medicine ...Read more


Dr. Debra Rosenblatt
567 doctors shared insights

Zantac (Definition)

Zantac is a H2 receptor blocker which is a kind of ...Read more