Axid (Nizatidine) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 9, 2012

Axid

Reflux Laryngitis »

Why does reflux laryngitis occur?

Reflux is caused by weakness in the muscle at the junction of the esophagus with the stomach. Normally, this muscular valve, or sphincter, functions to keep food and stomach acid from moving upward from the stomach to the esophagus and larynx. This valve opens to allow food into the stomach and closes to keep the stomach's contents from coming back up. The backward movement of stomach contents (gastric contents) up into the esophagus is referred to as gastroesophageal reflux.

Additionally, any increase in abdominal pressure (such as obesity), which can push acid back from the stomach up the esophagus, or a patient with a hiatal hernia, will have an increased risk for reflux. When it causes symptoms, it is referred to as gastroesophageal reflux disease (or GERD). When the acid backs up into the voice box (larynx), the condition is referred to as reflux laryngitis.

Stomach acid can cause irritati...

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AXID®
(nizatidine) Capsules, USP

DRUG DESCRIPTION

Axid® (Nizatidine, USP) is a histamine H₂-receptor antagonist. Chemically, it is N-[2-[[[2-[(dimethylamino)methyl]-4-thia-zolyl]methyl]thio]ethyl]-Nⁱ-methyl-2-nitro-1,1-ethenediamine.

The structural formula is as follows:

Nizatidine

Nizatidine has the empirical formula C₁₂H₂₁N₅O₂S₂ representing a molecular weight of 331.47. It is an off-white to buff crystalline solid that is soluble in water. Nizatidine has a bitter taste and mild sulfur-like odor. Each Pulvule^®(capsule) contains for oral administration gelatin, pregelatinized starch, dimethicone, starch, titanium dioxide, yellow iron oxide, 150 mg (0.45 mmol) or 300 mg (0.91 mmol) of nizatidine, and other inactive ingredients. The 150-mg Pulvule also contains magnesium stearate, and the 300-mg Pulvule also contains croscarmellose sodium, povidone, red iron oxide, and talc.

What are the possible side effects of nizatidine (Axid, Axid AR, Axid Pulvules)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using nizatidine and call your doctor at once if you have a serious side effect such as:

pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating;
unusual bleeding, purple or red pinpoint spots under your skin;
skin rash, bruising, severe tingling, numbness, pain, muscle...

Read All Potential Side Effects and See Pictures of Axid »

What are the precautions when taking nizatidine (Axid)?

Before taking nizatidine, tell your doctor or pharmacist if you are allergic to it; or to other H2 blockers (e.g., cimetidine, famotidine, ranitidine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: immune system problems, kidney problems, liver problems, certain lung diseases (chronic obstructive pulmonary disease-COPD), diabetes, other stomach problems (e.g., tumors).

Some symptoms may actually be signs of a more serious condition. Tell your doctor immediately if you have: heartburn with lightheadedness/sweating/dizziness, chest/shoulder/jaw...

Read All Potential Precautions of Axid »

Last reviewed on RxList: 2/14/2006
This monograph has been modified to include the generic and brand name in many instances.